CVE-2021-47121 - Vulnerability Details

Vendors	Products
Linux	Linux Kernel

Link	Providers
https://git.kernel.org/stable/c/46403c1f80b0d3f937ff9c4f5edc63bb64bc5051
https://git.kernel.org/stable/c/4d94f530cd24c85aede6e72b8923f371b45d6886
https://git.kernel.org/stable/c/7f5d86669fa4d485523ddb1d212e0a2d90bd62bb
https://git.kernel.org/stable/c/81afc61cb6e2b553f2c5f992fa79e0ae73857141
https://git.kernel.org/stable/c/9ea0ab48e755d8f29fe89eb235fb86176fdb597f
https://git.kernel.org/stable/c/cc302e30a504e6b60a9ac8df7988646f46cd0294
https://git.kernel.org/stable/c/dde8686985ec24d6b00487080a906609bd613ea1
https://git.kernel.org/stable/c/e8b37f5009ea7095529790f022859711e6939c76
https://lore.kernel.org/linux-cve-announce/2024031510-CVE-2021-47121-13c1@gregkh/T/#u
https://nvd.nist.gov/vuln/detail/CVE-2021-47121
https://www.cve.org/CVERecord?id=CVE-2021-47121

Type	Values Removed	Values Added
First Time appeared		Linux Linux linux Kernel
Weaknesses		CWE-401
CPEs		cpe:2.3:o:linux:linux_kernel:::::::: cpe:2.3:o:linux:linux_kernel:5.13:rc1:::::: cpe:2.3:o:linux:linux_kernel:5.13:rc2:::::: cpe:2.3:o:linux:linux_kernel:5.13:rc3:::::: cpe:2.3:o:linux:linux_kernel:5.13:rc4::::::
Vendors & Products		Linux Linux linux Kernel
Metrics	cvssV3_1 `{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N'}`	cvssV3_1 `{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}`

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Show plain JSON

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2021-47121", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-03-04T18:12:48.838Z", "datePublished": "2024-03-15T20:14:27.287Z", "dateUpdated": "2025-05-04T07:04:33.666Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-04T07:04:33.666Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: caif: fix memory leak in cfusbl_device_notify\n\nIn case of caif_enroll_dev() fail, allocated\nlink_support won't be assigned to the corresponding\nstructure. So simply free allocated pointer in case\nof error."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/caif/caif_usb.c"], "versions": [{"version": "7ad65bf68d705b445ef10b77ab50dab22be185ee", "lessThan": "cc302e30a504e6b60a9ac8df7988646f46cd0294", "status": "affected", "versionType": "git"}, {"version": "7ad65bf68d705b445ef10b77ab50dab22be185ee", "lessThan": "81afc61cb6e2b553f2c5f992fa79e0ae73857141", "status": "affected", "versionType": "git"}, {"version": "7ad65bf68d705b445ef10b77ab50dab22be185ee", "lessThan": "e8b37f5009ea7095529790f022859711e6939c76", "status": "affected", "versionType": "git"}, {"version": "7ad65bf68d705b445ef10b77ab50dab22be185ee", "lessThan": "9ea0ab48e755d8f29fe89eb235fb86176fdb597f", "status": "affected", "versionType": "git"}, {"version": "7ad65bf68d705b445ef10b77ab50dab22be185ee", "lessThan": "4d94f530cd24c85aede6e72b8923f371b45d6886", "status": "affected", "versionType": "git"}, {"version": "7ad65bf68d705b445ef10b77ab50dab22be185ee", "lessThan": "46403c1f80b0d3f937ff9c4f5edc63bb64bc5051", "status": "affected", "versionType": "git"}, {"version": "7ad65bf68d705b445ef10b77ab50dab22be185ee", "lessThan": "dde8686985ec24d6b00487080a906609bd613ea1", "status": "affected", "versionType": "git"}, {"version": "7ad65bf68d705b445ef10b77ab50dab22be185ee", "lessThan": "7f5d86669fa4d485523ddb1d212e0a2d90bd62bb", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/caif/caif_usb.c"], "versions": [{"version": "3.3", "status": "affected"}, {"version": "0", "lessThan": "3.3", "status": "unaffected", "versionType": "semver"}, {"version": "4.4.272", "lessThanOrEqual": "4.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "4.9.272", "lessThanOrEqual": "4.9.*", "status": "unaffected", "versionType": "semver"}, {"version": "4.14.236", "lessThanOrEqual": "4.14.*", "status": "unaffected", "versionType": "semver"}, {"version": "4.19.194", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.125", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.43", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.12.10", "lessThanOrEqual": "5.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.13", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.3", "versionEndExcluding": "4.4.272"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.3", "versionEndExcluding": "4.9.272"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.3", "versionEndExcluding": "4.14.236"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.3", "versionEndExcluding": "4.19.194"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.3", "versionEndExcluding": "5.4.125"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.3", "versionEndExcluding": "5.10.43"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.3", "versionEndExcluding": "5.12.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.3", "versionEndExcluding": "5.13"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/cc302e30a504e6b60a9ac8df7988646f46cd0294"}, {"url": "https://git.kernel.org/stable/c/81afc61cb6e2b553f2c5f992fa79e0ae73857141"}, {"url": "https://git.kernel.org/stable/c/e8b37f5009ea7095529790f022859711e6939c76"}, {"url": "https://git.kernel.org/stable/c/9ea0ab48e755d8f29fe89eb235fb86176fdb597f"}, {"url": "https://git.kernel.org/stable/c/4d94f530cd24c85aede6e72b8923f371b45d6886"}, {"url": "https://git.kernel.org/stable/c/46403c1f80b0d3f937ff9c4f5edc63bb64bc5051"}, {"url": "https://git.kernel.org/stable/c/dde8686985ec24d6b00487080a906609bd613ea1"}, {"url": "https://git.kernel.org/stable/c/7f5d86669fa4d485523ddb1d212e0a2d90bd62bb"}], "title": "net: caif: fix memory leak in cfusbl_device_notify", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2021-47121", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-03-18T15:58:18.929619Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-04T17:13:45.717Z"}}, {"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:24:39.876Z"}, "title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/cc302e30a504e6b60a9ac8df7988646f46cd0294", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/81afc61cb6e2b553f2c5f992fa79e0ae73857141", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/e8b37f5009ea7095529790f022859711e6939c76", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/9ea0ab48e755d8f29fe89eb235fb86176fdb597f", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/4d94f530cd24c85aede6e72b8923f371b45d6886", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/46403c1f80b0d3f937ff9c4f5edc63bb64bc5051", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/dde8686985ec24d6b00487080a906609bd613ea1", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/7f5d86669fa4d485523ddb1d212e0a2d90bd62bb", "tags": ["x_transferred"]}]}]}}

{

dataType : CVE_RECORD (string)

dataVersion : 5.1 (string)

cveMetadata : { »

cveId : CVE-2021-47121 (string)

assignerOrgId : 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (string)

state : PUBLISHED (string)

assignerShortName : Linux (string)

dateReserved : 2024-03-04T18:12:48.838Z (string)

datePublished : 2024-03-15T20:14:27.287Z (string)

dateUpdated : 2025-05-04T07:04:33.666Z (string)

}

containers : { »

cna : { »

providerMetadata : { »

orgId : 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (string)

shortName : Linux (string)

dateUpdated : 2025-05-04T07:04:33.666Z (string)

}

descriptions : [ »

0 : { »

lang : en (string)

value : In the Linux kernel, the following vulnerability has been resolved: net: caif: fix memory leak in cfusbl_device_notify In case of caif_enroll_dev() fail, allocated link_support won't be assigned to the corresponding structure. So simply free allocated pointer in case of error. (string)

}

]

affected : [ »

0 : { »

product : Linux (string)

vendor : Linux (string)

defaultStatus : unaffected (string)

repo : https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git (string)

programFiles : [ »

0 : net/caif/caif_usb.c (string)

]

versions : [ »

0 : { »

version : 7ad65bf68d705b445ef10b77ab50dab22be185ee (string)

lessThan : cc302e30a504e6b60a9ac8df7988646f46cd0294 (string)

status : affected (string)

versionType : git (string)

}

1 : { »

version : 7ad65bf68d705b445ef10b77ab50dab22be185ee (string)

lessThan : 81afc61cb6e2b553f2c5f992fa79e0ae73857141 (string)

status : affected (string)

versionType : git (string)

}

2 : { »

version : 7ad65bf68d705b445ef10b77ab50dab22be185ee (string)

lessThan : e8b37f5009ea7095529790f022859711e6939c76 (string)

status : affected (string)

versionType : git (string)

}

3 : { »

version : 7ad65bf68d705b445ef10b77ab50dab22be185ee (string)

lessThan : 9ea0ab48e755d8f29fe89eb235fb86176fdb597f (string)

status : affected (string)

versionType : git (string)

}

4 : { »

version : 7ad65bf68d705b445ef10b77ab50dab22be185ee (string)

lessThan : 4d94f530cd24c85aede6e72b8923f371b45d6886 (string)

status : affected (string)

versionType : git (string)

}

5 : { »

version : 7ad65bf68d705b445ef10b77ab50dab22be185ee (string)

lessThan : 46403c1f80b0d3f937ff9c4f5edc63bb64bc5051 (string)

status : affected (string)

versionType : git (string)

}

6 : { »

version : 7ad65bf68d705b445ef10b77ab50dab22be185ee (string)

lessThan : dde8686985ec24d6b00487080a906609bd613ea1 (string)

status : affected (string)

versionType : git (string)

}

7 : { »

version : 7ad65bf68d705b445ef10b77ab50dab22be185ee (string)

lessThan : 7f5d86669fa4d485523ddb1d212e0a2d90bd62bb (string)

status : affected (string)

versionType : git (string)

}

]

}

1 : { »

product : Linux (string)

vendor : Linux (string)

defaultStatus : affected (string)

repo : https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git (string)

programFiles : [ »

0 : net/caif/caif_usb.c (string)

]

versions : [ »

0 : { »

version : 3.3 (string)

status : affected (string)

}

1 : { »

version : 0 (string)

lessThan : 3.3 (string)

status : unaffected (string)

versionType : semver (string)

}

2 : { »

version : 4.4.272 (string)

lessThanOrEqual : 4.4.* (string)

status : unaffected (string)

versionType : semver (string)

}

3 : { »

version : 4.9.272 (string)

lessThanOrEqual : 4.9.* (string)

status : unaffected (string)

versionType : semver (string)

}

4 : { »

version : 4.14.236 (string)

lessThanOrEqual : 4.14.* (string)

status : unaffected (string)

versionType : semver (string)

}

5 : { »

version : 4.19.194 (string)

lessThanOrEqual : 4.19.* (string)

status : unaffected (string)

versionType : semver (string)

}

6 : { »

version : 5.4.125 (string)

lessThanOrEqual : 5.4.* (string)

status : unaffected (string)

versionType : semver (string)

}

7 : { »

version : 5.10.43 (string)

lessThanOrEqual : 5.10.* (string)

status : unaffected (string)

versionType : semver (string)

}

8 : { »

version : 5.12.10 (string)

lessThanOrEqual : 5.12.* (string)

status : unaffected (string)

versionType : semver (string)

}

9 : { »

version : 5.13 (string)

lessThanOrEqual : * (string)

status : unaffected (string)

versionType : original_commit_for_fix (string)

}

]

}

]

cpeApplicability : [ »

0 : { »

nodes : [ »

0 : { »

operator : OR (string)

negate : false (boolean)

cpeMatch : [ »

0 : { »

vulnerable : true (boolean)

criteria : cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* (string)

versionStartIncluding : 3.3 (string)

versionEndExcluding : 4.4.272 (string)

}

1 : { »

vulnerable : true (boolean)

criteria : cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* (string)

versionStartIncluding : 3.3 (string)

versionEndExcluding : 4.9.272 (string)

}

2 : { »

vulnerable : true (boolean)

criteria : cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* (string)

versionStartIncluding : 3.3 (string)

versionEndExcluding : 4.14.236 (string)

}

3 : { »

vulnerable : true (boolean)

criteria : cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* (string)

versionStartIncluding : 3.3 (string)

versionEndExcluding : 4.19.194 (string)

}

4 : { »

vulnerable : true (boolean)

criteria : cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* (string)

versionStartIncluding : 3.3 (string)

versionEndExcluding : 5.4.125 (string)

}

5 : { »

vulnerable : true (boolean)

criteria : cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* (string)

versionStartIncluding : 3.3 (string)

versionEndExcluding : 5.10.43 (string)

}

6 : { »

vulnerable : true (boolean)

criteria : cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* (string)

versionStartIncluding : 3.3 (string)

versionEndExcluding : 5.12.10 (string)

}

7 : { »

vulnerable : true (boolean)

criteria : cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* (string)

versionStartIncluding : 3.3 (string)

versionEndExcluding : 5.13 (string)

}

]

}

]

}

]

references : [ »

0 : { »

url : https://git.kernel.org/stable/c/cc302e30a504e6b60a9ac8df7988646f46cd0294 (string)

}

1 : { »

url : https://git.kernel.org/stable/c/81afc61cb6e2b553f2c5f992fa79e0ae73857141 (string)

}

2 : { »

url : https://git.kernel.org/stable/c/e8b37f5009ea7095529790f022859711e6939c76 (string)

}

3 : { »

url : https://git.kernel.org/stable/c/9ea0ab48e755d8f29fe89eb235fb86176fdb597f (string)

}

4 : { »

url : https://git.kernel.org/stable/c/4d94f530cd24c85aede6e72b8923f371b45d6886 (string)

}

5 : { »

url : https://git.kernel.org/stable/c/46403c1f80b0d3f937ff9c4f5edc63bb64bc5051 (string)

}

6 : { »

url : https://git.kernel.org/stable/c/dde8686985ec24d6b00487080a906609bd613ea1 (string)

}

7 : { »

url : https://git.kernel.org/stable/c/7f5d86669fa4d485523ddb1d212e0a2d90bd62bb (string)

}

]

title : net: caif: fix memory leak in cfusbl_device_notify (string)

x_generator : { »

engine : bippy-1.2.0 (string)

}

adp : [ »

0 : { »

title : CISA ADP Vulnrichment (string)

metrics : [ »

0 : { »

other : { »

type : ssvc (string)

content : { »

id : CVE-2021-47121 (string)

role : CISA Coordinator (string)

options : [ »

0 : { »

Exploitation : none (string)

}

1 : { »

Automatable : no (string)

}

2 : { »

Technical Impact : partial (string)

}

]

version : 2.0.3 (string)

timestamp : 2024-03-18T15:58:18.929619Z (string)

}

]

providerMetadata : { »

orgId : 134c704f-9b21-4f2e-91b3-4a467353bcc0 (string)

shortName : CISA-ADP (string)

dateUpdated : 2024-06-04T17:13:45.717Z (string)

}

1 : { »

providerMetadata : { »

orgId : af854a3a-2127-422b-91ae-364da2661108 (string)

shortName : CVE (string)

dateUpdated : 2024-08-04T05:24:39.876Z (string)

}

title : CVE Program Container (string)

references : [ »

0 : { »

url : https://git.kernel.org/stable/c/cc302e30a504e6b60a9ac8df7988646f46cd0294 (string)

tags : [ »

0 : x_transferred (string)

]

}

1 : { »

url : https://git.kernel.org/stable/c/81afc61cb6e2b553f2c5f992fa79e0ae73857141 (string)

tags : [ »

0 : x_transferred (string)

]

}

2 : { »

url : https://git.kernel.org/stable/c/e8b37f5009ea7095529790f022859711e6939c76 (string)

tags : [ »

0 : x_transferred (string)

]

}

3 : { »

url : https://git.kernel.org/stable/c/9ea0ab48e755d8f29fe89eb235fb86176fdb597f (string)

tags : [ »

0 : x_transferred (string)

]

}

4 : { »

url : https://git.kernel.org/stable/c/4d94f530cd24c85aede6e72b8923f371b45d6886 (string)

tags : [ »

0 : x_transferred (string)

]

}

5 : { »

url : https://git.kernel.org/stable/c/46403c1f80b0d3f937ff9c4f5edc63bb64bc5051 (string)

tags : [ »

0 : x_transferred (string)

]

}

6 : { »

url : https://git.kernel.org/stable/c/dde8686985ec24d6b00487080a906609bd613ea1 (string)

tags : [ »

0 : x_transferred (string)

]

}

7 : { »

url : https://git.kernel.org/stable/c/7f5d86669fa4d485523ddb1d212e0a2d90bd62bb (string)

tags : [ »

0 : x_transferred (string)

]

}

]

}

]

}

Show plain JSON

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/cc302e30a504e6b60a9ac8df7988646f46cd0294", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/81afc61cb6e2b553f2c5f992fa79e0ae73857141", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/e8b37f5009ea7095529790f022859711e6939c76", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/9ea0ab48e755d8f29fe89eb235fb86176fdb597f", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/4d94f530cd24c85aede6e72b8923f371b45d6886", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/46403c1f80b0d3f937ff9c4f5edc63bb64bc5051", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/dde8686985ec24d6b00487080a906609bd613ea1", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/7f5d86669fa4d485523ddb1d212e0a2d90bd62bb", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:24:39.876Z"}}, {"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2021-47121", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-03-18T15:58:18.929619Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-05-23T19:01:18.420Z"}, "title": "CISA ADP Vulnrichment"}], "cna": {"title": "net: caif: fix memory leak in cfusbl_device_notify", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "7ad65bf68d705b445ef10b77ab50dab22be185ee", "lessThan": "cc302e30a504e6b60a9ac8df7988646f46cd0294", "versionType": "git"}, {"status": "affected", "version": "7ad65bf68d705b445ef10b77ab50dab22be185ee", "lessThan": "81afc61cb6e2b553f2c5f992fa79e0ae73857141", "versionType": "git"}, {"status": "affected", "version": "7ad65bf68d705b445ef10b77ab50dab22be185ee", "lessThan": "e8b37f5009ea7095529790f022859711e6939c76", "versionType": "git"}, {"status": "affected", "version": "7ad65bf68d705b445ef10b77ab50dab22be185ee", "lessThan": "9ea0ab48e755d8f29fe89eb235fb86176fdb597f", "versionType": "git"}, {"status": "affected", "version": "7ad65bf68d705b445ef10b77ab50dab22be185ee", "lessThan": "4d94f530cd24c85aede6e72b8923f371b45d6886", "versionType": "git"}, {"status": "affected", "version": "7ad65bf68d705b445ef10b77ab50dab22be185ee", "lessThan": "46403c1f80b0d3f937ff9c4f5edc63bb64bc5051", "versionType": "git"}, {"status": "affected", "version": "7ad65bf68d705b445ef10b77ab50dab22be185ee", "lessThan": "dde8686985ec24d6b00487080a906609bd613ea1", "versionType": "git"}, {"status": "affected", "version": "7ad65bf68d705b445ef10b77ab50dab22be185ee", "lessThan": "7f5d86669fa4d485523ddb1d212e0a2d90bd62bb", "versionType": "git"}], "programFiles": ["net/caif/caif_usb.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "3.3"}, {"status": "unaffected", "version": "0", "lessThan": "3.3", "versionType": "semver"}, {"status": "unaffected", "version": "4.4.272", "versionType": "semver", "lessThanOrEqual": "4.4.*"}, {"status": "unaffected", "version": "4.9.272", "versionType": "semver", "lessThanOrEqual": "4.9.*"}, {"status": "unaffected", "version": "4.14.236", "versionType": "semver", "lessThanOrEqual": "4.14.*"}, {"status": "unaffected", "version": "4.19.194", "versionType": "semver", "lessThanOrEqual": "4.19.*"}, {"status": "unaffected", "version": "5.4.125", "versionType": "semver", "lessThanOrEqual": "5.4.*"}, {"status": "unaffected", "version": "5.10.43", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.12.10", "versionType": "semver", "lessThanOrEqual": "5.12.*"}, {"status": "unaffected", "version": "5.13", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["net/caif/caif_usb.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/cc302e30a504e6b60a9ac8df7988646f46cd0294"}, {"url": "https://git.kernel.org/stable/c/81afc61cb6e2b553f2c5f992fa79e0ae73857141"}, {"url": "https://git.kernel.org/stable/c/e8b37f5009ea7095529790f022859711e6939c76"}, {"url": "https://git.kernel.org/stable/c/9ea0ab48e755d8f29fe89eb235fb86176fdb597f"}, {"url": "https://git.kernel.org/stable/c/4d94f530cd24c85aede6e72b8923f371b45d6886"}, {"url": "https://git.kernel.org/stable/c/46403c1f80b0d3f937ff9c4f5edc63bb64bc5051"}, {"url": "https://git.kernel.org/stable/c/dde8686985ec24d6b00487080a906609bd613ea1"}, {"url": "https://git.kernel.org/stable/c/7f5d86669fa4d485523ddb1d212e0a2d90bd62bb"}], "x_generator": {"engine": "bippy-1.2.0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: caif: fix memory leak in cfusbl_device_notify\n\nIn case of caif_enroll_dev() fail, allocated\nlink_support won't be assigned to the corresponding\nstructure. So simply free allocated pointer in case\nof error."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "4.4.272", "versionStartIncluding": "3.3"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "4.9.272", "versionStartIncluding": "3.3"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "4.14.236", "versionStartIncluding": "3.3"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "4.19.194", "versionStartIncluding": "3.3"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.4.125", "versionStartIncluding": "3.3"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.10.43", "versionStartIncluding": "3.3"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.12.10", "versionStartIncluding": "3.3"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.13", "versionStartIncluding": "3.3"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-04T07:04:33.666Z"}}}, "cveMetadata": {"cveId": "CVE-2021-47121", "state": "PUBLISHED", "dateUpdated": "2025-05-04T07:04:33.666Z", "dateReserved": "2024-03-04T18:12:48.838Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-03-15T20:14:27.287Z", "assignerShortName": "Linux"}, "dataVersion": "5.1"}

{

dataType : CVE_RECORD (string)

containers : { »

adp : [ »

0 : { »

title : CVE Program Container (string)

references : [ »

0 : { »

url : https://git.kernel.org/stable/c/cc302e30a504e6b60a9ac8df7988646f46cd0294 (string)

tags : [ »

0 : x_transferred (string)

]

}

1 : { »

url : https://git.kernel.org/stable/c/81afc61cb6e2b553f2c5f992fa79e0ae73857141 (string)

tags : [ »

0 : x_transferred (string)

]

}

2 : { »

url : https://git.kernel.org/stable/c/e8b37f5009ea7095529790f022859711e6939c76 (string)

tags : [ »

0 : x_transferred (string)

]

}

3 : { »

url : https://git.kernel.org/stable/c/9ea0ab48e755d8f29fe89eb235fb86176fdb597f (string)

tags : [ »

0 : x_transferred (string)

]

}

4 : { »

url : https://git.kernel.org/stable/c/4d94f530cd24c85aede6e72b8923f371b45d6886 (string)

tags : [ »

0 : x_transferred (string)

]

}

5 : { »

url : https://git.kernel.org/stable/c/46403c1f80b0d3f937ff9c4f5edc63bb64bc5051 (string)

tags : [ »

0 : x_transferred (string)

]

}

6 : { »

url : https://git.kernel.org/stable/c/dde8686985ec24d6b00487080a906609bd613ea1 (string)

tags : [ »

0 : x_transferred (string)

]

}

7 : { »

url : https://git.kernel.org/stable/c/7f5d86669fa4d485523ddb1d212e0a2d90bd62bb (string)

tags : [ »

0 : x_transferred (string)

]

}

]

providerMetadata : { »

orgId : af854a3a-2127-422b-91ae-364da2661108 (string)

shortName : CVE (string)

dateUpdated : 2024-08-04T05:24:39.876Z (string)

}

1 : { »

metrics : [ »

0 : { »

other : { »

type : ssvc (string)

content : { »

id : CVE-2021-47121 (string)

role : CISA Coordinator (string)

options : [ »

0 : { »

Exploitation : none (string)

}

1 : { »

Automatable : no (string)

}

2 : { »

Technical Impact : partial (string)

}

]

version : 2.0.3 (string)

timestamp : 2024-03-18T15:58:18.929619Z (string)

}

]

providerMetadata : { »

orgId : 134c704f-9b21-4f2e-91b3-4a467353bcc0 (string)

shortName : CISA-ADP (string)

dateUpdated : 2024-05-23T19:01:18.420Z (string)

}

title : CISA ADP Vulnrichment (string)

}

]

cna : { »

title : net: caif: fix memory leak in cfusbl_device_notify (string)

affected : [ »

0 : { »

repo : https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git (string)

vendor : Linux (string)

product : Linux (string)

versions : [ »

0 : { »

status : affected (string)

version : 7ad65bf68d705b445ef10b77ab50dab22be185ee (string)

lessThan : cc302e30a504e6b60a9ac8df7988646f46cd0294 (string)

versionType : git (string)

}

1 : { »

status : affected (string)

version : 7ad65bf68d705b445ef10b77ab50dab22be185ee (string)

lessThan : 81afc61cb6e2b553f2c5f992fa79e0ae73857141 (string)

versionType : git (string)

}

2 : { »

status : affected (string)

version : 7ad65bf68d705b445ef10b77ab50dab22be185ee (string)

lessThan : e8b37f5009ea7095529790f022859711e6939c76 (string)

versionType : git (string)

}

3 : { »

status : affected (string)

version : 7ad65bf68d705b445ef10b77ab50dab22be185ee (string)

lessThan : 9ea0ab48e755d8f29fe89eb235fb86176fdb597f (string)

versionType : git (string)

}

4 : { »

status : affected (string)

version : 7ad65bf68d705b445ef10b77ab50dab22be185ee (string)

lessThan : 4d94f530cd24c85aede6e72b8923f371b45d6886 (string)

versionType : git (string)

}

5 : { »

status : affected (string)

version : 7ad65bf68d705b445ef10b77ab50dab22be185ee (string)

lessThan : 46403c1f80b0d3f937ff9c4f5edc63bb64bc5051 (string)

versionType : git (string)

}

6 : { »

status : affected (string)

version : 7ad65bf68d705b445ef10b77ab50dab22be185ee (string)

lessThan : dde8686985ec24d6b00487080a906609bd613ea1 (string)

versionType : git (string)

}

7 : { »

status : affected (string)

version : 7ad65bf68d705b445ef10b77ab50dab22be185ee (string)

lessThan : 7f5d86669fa4d485523ddb1d212e0a2d90bd62bb (string)

versionType : git (string)

}

]

programFiles : [ »

0 : net/caif/caif_usb.c (string)

]

defaultStatus : unaffected (string)

}

1 : { »

repo : https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git (string)

vendor : Linux (string)

product : Linux (string)

versions : [ »

0 : { »

status : affected (string)

version : 3.3 (string)

}

1 : { »

status : unaffected (string)

version : 0 (string)

lessThan : 3.3 (string)

versionType : semver (string)

}

2 : { »

status : unaffected (string)

version : 4.4.272 (string)

versionType : semver (string)

lessThanOrEqual : 4.4.* (string)

}

3 : { »

status : unaffected (string)

version : 4.9.272 (string)

versionType : semver (string)

lessThanOrEqual : 4.9.* (string)

}

4 : { »

status : unaffected (string)

version : 4.14.236 (string)

versionType : semver (string)

lessThanOrEqual : 4.14.* (string)

}

5 : { »

status : unaffected (string)

version : 4.19.194 (string)

versionType : semver (string)

lessThanOrEqual : 4.19.* (string)

}

6 : { »

status : unaffected (string)

version : 5.4.125 (string)

versionType : semver (string)

lessThanOrEqual : 5.4.* (string)

}

7 : { »

status : unaffected (string)

version : 5.10.43 (string)

versionType : semver (string)

lessThanOrEqual : 5.10.* (string)

}

8 : { »

status : unaffected (string)

version : 5.12.10 (string)

versionType : semver (string)

lessThanOrEqual : 5.12.* (string)

}

9 : { »

status : unaffected (string)

version : 5.13 (string)

versionType : original_commit_for_fix (string)

lessThanOrEqual : * (string)

}

]

programFiles : [ »

0 : net/caif/caif_usb.c (string)

]

defaultStatus : affected (string)

}

]

references : [ »

0 : { »

url : https://git.kernel.org/stable/c/cc302e30a504e6b60a9ac8df7988646f46cd0294 (string)

}

1 : { »

url : https://git.kernel.org/stable/c/81afc61cb6e2b553f2c5f992fa79e0ae73857141 (string)

}

2 : { »

url : https://git.kernel.org/stable/c/e8b37f5009ea7095529790f022859711e6939c76 (string)

}

3 : { »

url : https://git.kernel.org/stable/c/9ea0ab48e755d8f29fe89eb235fb86176fdb597f (string)

}

4 : { »

url : https://git.kernel.org/stable/c/4d94f530cd24c85aede6e72b8923f371b45d6886 (string)

}

5 : { »

url : https://git.kernel.org/stable/c/46403c1f80b0d3f937ff9c4f5edc63bb64bc5051 (string)

}

6 : { »

url : https://git.kernel.org/stable/c/dde8686985ec24d6b00487080a906609bd613ea1 (string)

}

7 : { »

url : https://git.kernel.org/stable/c/7f5d86669fa4d485523ddb1d212e0a2d90bd62bb (string)

}

]

x_generator : { »

engine : bippy-1.2.0 (string)

}

descriptions : [ »

0 : { »

lang : en (string)

value : In the Linux kernel, the following vulnerability has been resolved: net: caif: fix memory leak in cfusbl_device_notify In case of caif_enroll_dev() fail, allocated link_support won't be assigned to the corresponding structure. So simply free allocated pointer in case of error. (string)

}

]

cpeApplicability : [ »

0 : { »

nodes : [ »

0 : { »

negate : false (boolean)

cpeMatch : [ »

0 : { »

criteria : cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* (string)

vulnerable : true (boolean)

versionEndExcluding : 4.4.272 (string)

versionStartIncluding : 3.3 (string)

}

1 : { »

criteria : cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* (string)

vulnerable : true (boolean)

versionEndExcluding : 4.9.272 (string)

versionStartIncluding : 3.3 (string)

}

2 : { »

criteria : cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* (string)

vulnerable : true (boolean)

versionEndExcluding : 4.14.236 (string)

versionStartIncluding : 3.3 (string)

}

3 : { »

criteria : cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* (string)

vulnerable : true (boolean)

versionEndExcluding : 4.19.194 (string)

versionStartIncluding : 3.3 (string)

}

4 : { »

criteria : cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* (string)

vulnerable : true (boolean)

versionEndExcluding : 5.4.125 (string)

versionStartIncluding : 3.3 (string)

}

5 : { »

criteria : cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* (string)

vulnerable : true (boolean)

versionEndExcluding : 5.10.43 (string)

versionStartIncluding : 3.3 (string)

}

6 : { »

criteria : cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* (string)

vulnerable : true (boolean)

versionEndExcluding : 5.12.10 (string)

versionStartIncluding : 3.3 (string)

}

7 : { »

criteria : cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* (string)

vulnerable : true (boolean)

versionEndExcluding : 5.13 (string)

versionStartIncluding : 3.3 (string)

}

]

operator : OR (string)

}

]

}

]

providerMetadata : { »

orgId : 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (string)

shortName : Linux (string)

dateUpdated : 2025-05-04T07:04:33.666Z (string)

}

cveMetadata : { »

cveId : CVE-2021-47121 (string)

state : PUBLISHED (string)

dateUpdated : 2025-05-04T07:04:33.666Z (string)

dateReserved : 2024-03-04T18:12:48.838Z (string)

assignerOrgId : 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (string)

datePublished : 2024-03-15T20:14:27.287Z (string)

assignerShortName : Linux (string)

}

dataVersion : 5.1 (string)

}

Show plain JSON

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "1DA24694-E42B-4701-845F-C2C96D93F3B3", "versionEndExcluding": "4.4.272", "versionStartIncluding": "3.3", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "8FEC5189-264E-4620-BD41-8B5E44F20D80", "versionEndExcluding": "4.9.272", "versionStartIncluding": "4.5", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "32BD3098-E25B-4893-87B7-49DAAD61B503", "versionEndExcluding": "4.14.236", "versionStartIncluding": "4.10", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "219AB3A3-BDC8-47F5-A638-4A3D5D451EC3", "versionEndExcluding": "4.19.194", "versionStartIncluding": "4.15", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "552FBD6A-793D-4EE1-9D44-69978256AA46", "versionEndExcluding": "5.4.125", "versionStartIncluding": "4.20", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "B2136BD5-4F86-40C8-96C8-5C90A015490C", "versionEndExcluding": "5.10.43", "versionStartIncluding": "5.5", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "27384800-AB48-4C08-891E-34B66F5FC4AA", "versionEndExcluding": "5.12.10", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.13:rc1:*:*:*:*:*:*", "matchCriteriaId": "0CBAD0FC-C281-4666-AB2F-F8E6E1165DF7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.13:rc2:*:*:*:*:*:*", "matchCriteriaId": "96AC23B2-D46A-49D9-8203-8E1BEDCA8532", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.13:rc3:*:*:*:*:*:*", "matchCriteriaId": "DA610E30-717C-4700-9F77-A3C9244F3BFD", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.13:rc4:*:*:*:*:*:*", "matchCriteriaId": "1ECD33F5-85BE-430B-8F86-8D7BD560311D", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: caif: fix memory leak in cfusbl_device_notify\n\nIn case of caif_enroll_dev() fail, allocated\nlink_support won't be assigned to the corresponding\nstructure. So simply free allocated pointer in case\nof error."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: caif: corrige la p\u00e9rdida de memoria en cfusbl_device_notify En caso de que falle caif_enroll_dev(), el link_support asignado no se asignar\u00e1 a la estructura correspondiente. As\u00ed que simplemente libera el puntero asignado en caso de error."}], "id": "CVE-2021-47121", "lastModified": "2025-01-07T17:30:59.237", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2024-03-15T21:15:07.107", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/46403c1f80b0d3f937ff9c4f5edc63bb64bc5051"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/4d94f530cd24c85aede6e72b8923f371b45d6886"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7f5d86669fa4d485523ddb1d212e0a2d90bd62bb"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/81afc61cb6e2b553f2c5f992fa79e0ae73857141"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9ea0ab48e755d8f29fe89eb235fb86176fdb597f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/cc302e30a504e6b60a9ac8df7988646f46cd0294"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/dde8686985ec24d6b00487080a906609bd613ea1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e8b37f5009ea7095529790f022859711e6939c76"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/46403c1f80b0d3f937ff9c4f5edc63bb64bc5051"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/4d94f530cd24c85aede6e72b8923f371b45d6886"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7f5d86669fa4d485523ddb1d212e0a2d90bd62bb"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/81afc61cb6e2b553f2c5f992fa79e0ae73857141"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9ea0ab48e755d8f29fe89eb235fb86176fdb597f"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/cc302e30a504e6b60a9ac8df7988646f46cd0294"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/dde8686985ec24d6b00487080a906609bd613ea1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e8b37f5009ea7095529790f022859711e6939c76"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-401"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{

configurations : [ »

0 : { »

nodes : [ »

0 : { »

cpeMatch : [ »

0 : { »

criteria : cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* (string)

matchCriteriaId : 1DA24694-E42B-4701-845F-C2C96D93F3B3 (string)

versionEndExcluding : 4.4.272 (string)

versionStartIncluding : 3.3 (string)

vulnerable : true (boolean)

}

1 : { »

criteria : cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* (string)

matchCriteriaId : 8FEC5189-264E-4620-BD41-8B5E44F20D80 (string)

versionEndExcluding : 4.9.272 (string)

versionStartIncluding : 4.5 (string)

vulnerable : true (boolean)

}

2 : { »

criteria : cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* (string)

matchCriteriaId : 32BD3098-E25B-4893-87B7-49DAAD61B503 (string)

versionEndExcluding : 4.14.236 (string)

versionStartIncluding : 4.10 (string)

vulnerable : true (boolean)

}

3 : { »

criteria : cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* (string)

matchCriteriaId : 219AB3A3-BDC8-47F5-A638-4A3D5D451EC3 (string)

versionEndExcluding : 4.19.194 (string)

versionStartIncluding : 4.15 (string)

vulnerable : true (boolean)

}

4 : { »

criteria : cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* (string)

matchCriteriaId : 552FBD6A-793D-4EE1-9D44-69978256AA46 (string)

versionEndExcluding : 5.4.125 (string)

versionStartIncluding : 4.20 (string)

vulnerable : true (boolean)

}

5 : { »

criteria : cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* (string)

matchCriteriaId : B2136BD5-4F86-40C8-96C8-5C90A015490C (string)

versionEndExcluding : 5.10.43 (string)

versionStartIncluding : 5.5 (string)

vulnerable : true (boolean)

}

6 : { »

criteria : cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* (string)

matchCriteriaId : 27384800-AB48-4C08-891E-34B66F5FC4AA (string)

versionEndExcluding : 5.12.10 (string)

versionStartIncluding : 5.11 (string)

vulnerable : true (boolean)

}

7 : { »

criteria : cpe:2.3:o:linux:linux_kernel:5.13:rc1:*:*:*:*:*:* (string)

matchCriteriaId : 0CBAD0FC-C281-4666-AB2F-F8E6E1165DF7 (string)

vulnerable : true (boolean)

}

8 : { »

criteria : cpe:2.3:o:linux:linux_kernel:5.13:rc2:*:*:*:*:*:* (string)

matchCriteriaId : 96AC23B2-D46A-49D9-8203-8E1BEDCA8532 (string)

vulnerable : true (boolean)

}

9 : { »

criteria : cpe:2.3:o:linux:linux_kernel:5.13:rc3:*:*:*:*:*:* (string)

matchCriteriaId : DA610E30-717C-4700-9F77-A3C9244F3BFD (string)

vulnerable : true (boolean)

}

10 : { »

criteria : cpe:2.3:o:linux:linux_kernel:5.13:rc4:*:*:*:*:*:* (string)

matchCriteriaId : 1ECD33F5-85BE-430B-8F86-8D7BD560311D (string)

vulnerable : true (boolean)

}

]

negate : false (boolean)

operator : OR (string)

}

]

}

]

cveTags : [ *empty* ]

descriptions : [ »

0 : { »

lang : en (string)

value : In the Linux kernel, the following vulnerability has been resolved: net: caif: fix memory leak in cfusbl_device_notify In case of caif_enroll_dev() fail, allocated link_support won't be assigned to the corresponding structure. So simply free allocated pointer in case of error. (string)

}

1 : { »

lang : es (string)

value : En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: caif: corrige la pérdida de memoria en cfusbl_device_notify En caso de que falle caif_enroll_dev(), el link_support asignado no se asignará a la estructura correspondiente. Así que simplemente libera el puntero asignado en caso de error. (string)

}

]

id : CVE-2021-47121 (string)

lastModified : 2025-01-07T17:30:59.237 (string)

metrics : { »

cvssMetricV31 : [ »

0 : { »

cvssData : { »

attackComplexity : LOW (string)

attackVector : LOCAL (string)

availabilityImpact : HIGH (string)

baseScore : 5.5 (number)

baseSeverity : MEDIUM (string)

confidentialityImpact : NONE (string)

integrityImpact : NONE (string)

privilegesRequired : LOW (string)

scope : UNCHANGED (string)

userInteraction : NONE (string)

vectorString : CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H (string)

version : 3.1 (string)

}

exploitabilityScore : 1.8 (number)

impactScore : 3.6 (number)

source : nvd@nist.gov (string)

type : Primary (string)

}

]

}

published : 2024-03-15T21:15:07.107 (string)

references : [ »

0 : { »

source : 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (string)

tags : [ »

0 : Patch (string)

]

url : https://git.kernel.org/stable/c/46403c1f80b0d3f937ff9c4f5edc63bb64bc5051 (string)

}

1 : { »

source : 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (string)

tags : [ »

0 : Patch (string)

]

url : https://git.kernel.org/stable/c/4d94f530cd24c85aede6e72b8923f371b45d6886 (string)

}

2 : { »

source : 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (string)

tags : [ »

0 : Patch (string)

]

url : https://git.kernel.org/stable/c/7f5d86669fa4d485523ddb1d212e0a2d90bd62bb (string)

}

3 : { »

source : 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (string)

tags : [ »

0 : Patch (string)

]

url : https://git.kernel.org/stable/c/81afc61cb6e2b553f2c5f992fa79e0ae73857141 (string)

}

4 : { »

source : 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (string)

tags : [ »

0 : Patch (string)

]

url : https://git.kernel.org/stable/c/9ea0ab48e755d8f29fe89eb235fb86176fdb597f (string)

}

5 : { »

source : 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (string)

tags : [ »

0 : Patch (string)

]

url : https://git.kernel.org/stable/c/cc302e30a504e6b60a9ac8df7988646f46cd0294 (string)

}

6 : { »

source : 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (string)

tags : [ »

0 : Patch (string)

]

url : https://git.kernel.org/stable/c/dde8686985ec24d6b00487080a906609bd613ea1 (string)

}

7 : { »

source : 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (string)

tags : [ »

0 : Patch (string)

]

url : https://git.kernel.org/stable/c/e8b37f5009ea7095529790f022859711e6939c76 (string)

}

8 : { »

source : af854a3a-2127-422b-91ae-364da2661108 (string)

tags : [ »

0 : Patch (string)

]

url : https://git.kernel.org/stable/c/46403c1f80b0d3f937ff9c4f5edc63bb64bc5051 (string)

}

9 : { »

source : af854a3a-2127-422b-91ae-364da2661108 (string)

tags : [ »

0 : Patch (string)

]

url : https://git.kernel.org/stable/c/4d94f530cd24c85aede6e72b8923f371b45d6886 (string)

}

10 : { »

source : af854a3a-2127-422b-91ae-364da2661108 (string)

tags : [ »

0 : Patch (string)

]

url : https://git.kernel.org/stable/c/7f5d86669fa4d485523ddb1d212e0a2d90bd62bb (string)

}

11 : { »

source : af854a3a-2127-422b-91ae-364da2661108 (string)

tags : [ »

0 : Patch (string)

]

url : https://git.kernel.org/stable/c/81afc61cb6e2b553f2c5f992fa79e0ae73857141 (string)

}

12 : { »

source : af854a3a-2127-422b-91ae-364da2661108 (string)

tags : [ »

0 : Patch (string)

]

url : https://git.kernel.org/stable/c/9ea0ab48e755d8f29fe89eb235fb86176fdb597f (string)

}

13 : { »

source : af854a3a-2127-422b-91ae-364da2661108 (string)

tags : [ »

0 : Patch (string)

]

url : https://git.kernel.org/stable/c/cc302e30a504e6b60a9ac8df7988646f46cd0294 (string)

}

14 : { »

source : af854a3a-2127-422b-91ae-364da2661108 (string)

tags : [ »

0 : Patch (string)

]

url : https://git.kernel.org/stable/c/dde8686985ec24d6b00487080a906609bd613ea1 (string)

}

15 : { »

source : af854a3a-2127-422b-91ae-364da2661108 (string)

tags : [ »

0 : Patch (string)

]

url : https://git.kernel.org/stable/c/e8b37f5009ea7095529790f022859711e6939c76 (string)

}

]

sourceIdentifier : 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (string)

vulnStatus : Analyzed (string)

weaknesses : [ »

0 : { »

description : [ »

0 : { »

lang : en (string)

value : CWE-401 (string)

}

]

source : nvd@nist.gov (string)

type : Primary (string)

}

]

}

Show plain JSON

{"bugzilla": {"description": "kernel: net: caif: fix memory leak in cfusbl_device_notify", "id": "2269848", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2269848"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "status": "draft"}, "cwe": "CWE-402", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnet: caif: fix memory leak in cfusbl_device_notify\nIn case of caif_enroll_dev() fail, allocated\nlink_support won't be assigned to the corresponding\nstructure. So simply free allocated pointer in case\nof error."], "name": "CVE-2021-47121", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-03-15T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-47121\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-47121\nhttps://lore.kernel.org/linux-cve-announce/2024031510-CVE-2021-47121-13c1@gregkh/T/#u"], "threat_severity": "Low"}

{

bugzilla : { »

description : kernel: net: caif: fix memory leak in cfusbl_device_notify (string)

id : 2269848 (string)

url : https://bugzilla.redhat.com/show_bug.cgi?id=2269848 (string)

}

csaw : false (boolean)

cvss3 : { »

cvss3_base_score : 5.5 (string)

cvss3_scoring_vector : CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N (string)

status : draft (string)

}

cwe : CWE-402 (string)

details : [ »

0 : In the Linux kernel, the following vulnerability has been resolved: net: caif: fix memory leak in cfusbl_device_notify In case of caif_enroll_dev() fail, allocated link_support won't be assigned to the corresponding structure. So simply free allocated pointer in case of error. (string)

]

name : CVE-2021-47121 (string)

package_state : [ »

0 : { »

cpe : cpe:/o:redhat:enterprise_linux:6 (string)

fix_state : Out of support scope (string)

package_name : kernel (string)

product_name : Red Hat Enterprise Linux 6 (string)

}

1 : { »

cpe : cpe:/o:redhat:enterprise_linux:7 (string)

fix_state : Out of support scope (string)

package_name : kernel (string)

product_name : Red Hat Enterprise Linux 7 (string)

}

2 : { »

cpe : cpe:/o:redhat:enterprise_linux:7 (string)

fix_state : Out of support scope (string)

package_name : kernel-rt (string)

product_name : Red Hat Enterprise Linux 7 (string)

}

3 : { »

cpe : cpe:/o:redhat:enterprise_linux:8 (string)

fix_state : Not affected (string)

package_name : kernel (string)

product_name : Red Hat Enterprise Linux 8 (string)

}

4 : { »

cpe : cpe:/o:redhat:enterprise_linux:8 (string)

fix_state : Not affected (string)

package_name : kernel-rt (string)

product_name : Red Hat Enterprise Linux 8 (string)

}

5 : { »

cpe : cpe:/o:redhat:enterprise_linux:9 (string)

fix_state : Not affected (string)

package_name : kernel (string)

product_name : Red Hat Enterprise Linux 9 (string)

}

6 : { »

cpe : cpe:/o:redhat:enterprise_linux:9 (string)

fix_state : Not affected (string)

package_name : kernel-rt (string)

product_name : Red Hat Enterprise Linux 9 (string)

}

]

public_date : 2024-03-15T00:00:00Z (string)

references : [ »

0 : https://www.cve.org/CVERecord?id=CVE-2021-47121 https://nvd.nist.gov/vuln/detail/CVE-2021-47121 https://lore.kernel.org/linux-cve-announce/2024031510-CVE-2021-47121-13c1@gregkh/T/#u (string)

]

threat_severity : Low (string)

}

Metrics

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

Exploitation none

Automatable no

Technical Impact partial

Affected Vendors & Products

Metrics

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

Exploitation none

Automatable no

Technical Impact partial

Affected Vendors & Products

JSON object

JSON object

JSON object

JSON object