CVE-2021-47431 - Vulnerability Details

Vendors	Products
Linux	Linux Kernel

Link	Providers
https://git.kernel.org/stable/c/18d1c5ea3798ba42cfa0f8b2264d873463facb03
https://git.kernel.org/stable/c/621ddffb70db824eabd63d18ac635180fe9500f9
https://git.kernel.org/stable/c/66805763a97f8f7bdf742fc0851d85c02ed9411f
https://git.kernel.org/stable/c/83d857d6b0967b6709cd38750c3ce2ed8ced1a95
https://lore.kernel.org/linux-cve-announce/2024052158-CVE-2021-47431-ff0c@gregkh/T
https://nvd.nist.gov/vuln/detail/CVE-2021-47431
https://www.cve.org/CVERecord?id=CVE-2021-47431

Type	Values Removed	Values Added
Weaknesses		NVD-CWE-Other
CPEs		cpe:2.3:o:linux:linux_kernel:::::::: cpe:2.3:o:linux:linux_kernel:5.15:rc1:::::: cpe:2.3:o:linux:linux_kernel:5.15:rc2:::::: cpe:2.3:o:linux:linux_kernel:5.15:rc3::::::
Metrics	cvssV3_1 `{'score': 2.3, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L'}`	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-2021-47431", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-05-21T14:58:30.829Z", "datePublished": "2024-05-21T15:04:16.014Z", "dateUpdated": "2025-09-16T08:01:56.413Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-09-16T08:01:56.413Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: fix gart.bo pin_count leak\n\ngmc_v{9,10}_0_gart_disable() isn't called matched with\ncorrespoding gart_enbale function in SRIOV case. This will\nlead to gart.bo pin_count leak on driver unload."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c", "drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c"], "versions": [{"version": "d38ceaf99ed015f2a0b9af3499791bd3a3daae21", "lessThan": "83d857d6b0967b6709cd38750c3ce2ed8ced1a95", "status": "affected", "versionType": "git"}, {"version": "d38ceaf99ed015f2a0b9af3499791bd3a3daae21", "lessThan": "621ddffb70db824eabd63d18ac635180fe9500f9", "status": "affected", "versionType": "git"}, {"version": "d38ceaf99ed015f2a0b9af3499791bd3a3daae21", "lessThan": "18d1c5ea3798ba42cfa0f8b2264d873463facb03", "status": "affected", "versionType": "git"}, {"version": "d38ceaf99ed015f2a0b9af3499791bd3a3daae21", "lessThan": "66805763a97f8f7bdf742fc0851d85c02ed9411f", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c", "drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c"], "versions": [{"version": "4.2", "status": "affected"}, {"version": "0", "lessThan": "4.2", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.154", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.74", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.14.13", "lessThanOrEqual": "5.14.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15", "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": "4.2", "versionEndExcluding": "5.4.154"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.2", "versionEndExcluding": "5.10.74"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.2", "versionEndExcluding": "5.14.13"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.2", "versionEndExcluding": "5.15"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/83d857d6b0967b6709cd38750c3ce2ed8ced1a95"}, {"url": "https://git.kernel.org/stable/c/621ddffb70db824eabd63d18ac635180fe9500f9"}, {"url": "https://git.kernel.org/stable/c/18d1c5ea3798ba42cfa0f8b2264d873463facb03"}, {"url": "https://git.kernel.org/stable/c/66805763a97f8f7bdf742fc0851d85c02ed9411f"}], "title": "drm/amdgpu: fix gart.bo pin_count leak", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2024-06-17T17:37:14.662615Z", "id": "CVE-2021-47431", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-17T17:37:56.536Z"}}, {"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:39:59.335Z"}, "title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/83d857d6b0967b6709cd38750c3ce2ed8ced1a95", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/621ddffb70db824eabd63d18ac635180fe9500f9", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/18d1c5ea3798ba42cfa0f8b2264d873463facb03", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/66805763a97f8f7bdf742fc0851d85c02ed9411f", "tags": ["x_transferred"]}]}]}}

{

dataType : CVE_RECORD (string)

dataVersion : 5.1 (string)

cveMetadata : { »

cveId : CVE-2021-47431 (string)

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

state : PUBLISHED (string)

assignerShortName : Linux (string)

dateReserved : 2024-05-21T14:58:30.829Z (string)

datePublished : 2024-05-21T15:04:16.014Z (string)

dateUpdated : 2025-09-16T08:01:56.413Z (string)

}

containers : { »

cna : { »

providerMetadata : { »

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

shortName : Linux (string)

dateUpdated : 2025-09-16T08:01:56.413Z (string)

}

descriptions : [ »

0 : { »

lang : en (string)

value : In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix gart.bo pin_count leak gmc_v{9,10}_0_gart_disable() isn't called matched with correspoding gart_enbale function in SRIOV case. This will lead to gart.bo pin_count leak on driver unload. (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 : drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c (string)

1 : drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c (string)

]

versions : [ »

0 : { »

version : d38ceaf99ed015f2a0b9af3499791bd3a3daae21 (string)

lessThan : 83d857d6b0967b6709cd38750c3ce2ed8ced1a95 (string)

status : affected (string)

versionType : git (string)

}

1 : { »

version : d38ceaf99ed015f2a0b9af3499791bd3a3daae21 (string)

lessThan : 621ddffb70db824eabd63d18ac635180fe9500f9 (string)

status : affected (string)

versionType : git (string)

}

2 : { »

version : d38ceaf99ed015f2a0b9af3499791bd3a3daae21 (string)

lessThan : 18d1c5ea3798ba42cfa0f8b2264d873463facb03 (string)

status : affected (string)

versionType : git (string)

}

3 : { »

version : d38ceaf99ed015f2a0b9af3499791bd3a3daae21 (string)

lessThan : 66805763a97f8f7bdf742fc0851d85c02ed9411f (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 : drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c (string)

1 : drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c (string)

]

versions : [ »

0 : { »

version : 4.2 (string)

status : affected (string)

}

1 : { »

version : 0 (string)

lessThan : 4.2 (string)

status : unaffected (string)

versionType : semver (string)

}

2 : { »

version : 5.4.154 (string)

lessThanOrEqual : 5.4.* (string)

status : unaffected (string)

versionType : semver (string)

}

3 : { »

version : 5.10.74 (string)

lessThanOrEqual : 5.10.* (string)

status : unaffected (string)

versionType : semver (string)

}

4 : { »

version : 5.14.13 (string)

lessThanOrEqual : 5.14.* (string)

status : unaffected (string)

versionType : semver (string)

}

5 : { »

version : 5.15 (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 : 4.2 (string)

versionEndExcluding : 5.4.154 (string)

}

1 : { »

vulnerable : true (boolean)

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

versionStartIncluding : 4.2 (string)

versionEndExcluding : 5.10.74 (string)

}

2 : { »

vulnerable : true (boolean)

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

versionStartIncluding : 4.2 (string)

versionEndExcluding : 5.14.13 (string)

}

3 : { »

vulnerable : true (boolean)

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

versionStartIncluding : 4.2 (string)

versionEndExcluding : 5.15 (string)

}

]

}

]

}

]

references : [ »

0 : { »

url : https://git.kernel.org/stable/c/83d857d6b0967b6709cd38750c3ce2ed8ced1a95 (string)

}

1 : { »

url : https://git.kernel.org/stable/c/621ddffb70db824eabd63d18ac635180fe9500f9 (string)

}

2 : { »

url : https://git.kernel.org/stable/c/18d1c5ea3798ba42cfa0f8b2264d873463facb03 (string)

}

3 : { »

url : https://git.kernel.org/stable/c/66805763a97f8f7bdf742fc0851d85c02ed9411f (string)

}

]

title : drm/amdgpu: fix gart.bo pin_count leak (string)

x_generator : { »

engine : bippy-1.2.0 (string)

}

adp : [ »

0 : { »

metrics : [ »

0 : { »

other : { »

type : ssvc (string)

content : { »

timestamp : 2024-06-17T17:37:14.662615Z (string)

id : CVE-2021-47431 (string)

options : [ »

0 : { »

Exploitation : none (string)

}

1 : { »

Automatable : no (string)

}

2 : { »

Technical Impact : partial (string)

}

]

role : CISA Coordinator (string)

version : 2.0.3 (string)

}

]

title : CISA ADP Vulnrichment (string)

providerMetadata : { »

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

shortName : CISA-ADP (string)

dateUpdated : 2024-06-17T17:37:56.536Z (string)

}

1 : { »

providerMetadata : { »

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

shortName : CVE (string)

dateUpdated : 2024-08-04T05:39:59.335Z (string)

}

title : CVE Program Container (string)

references : [ »

0 : { »

url : https://git.kernel.org/stable/c/83d857d6b0967b6709cd38750c3ce2ed8ced1a95 (string)

tags : [ »

0 : x_transferred (string)

]

}

1 : { »

url : https://git.kernel.org/stable/c/621ddffb70db824eabd63d18ac635180fe9500f9 (string)

tags : [ »

0 : x_transferred (string)

]

}

2 : { »

url : https://git.kernel.org/stable/c/18d1c5ea3798ba42cfa0f8b2264d873463facb03 (string)

tags : [ »

0 : x_transferred (string)

]

}

3 : { »

url : https://git.kernel.org/stable/c/66805763a97f8f7bdf742fc0851d85c02ed9411f (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/83d857d6b0967b6709cd38750c3ce2ed8ced1a95", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/621ddffb70db824eabd63d18ac635180fe9500f9", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/18d1c5ea3798ba42cfa0f8b2264d873463facb03", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/66805763a97f8f7bdf742fc0851d85c02ed9411f", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:39:59.335Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2021-47431", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-06-17T17:37:14.662615Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-17T17:37:15.605Z"}}], "cna": {"title": "drm/amdgpu: fix gart.bo pin_count leak", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "d38ceaf99ed015f2a0b9af3499791bd3a3daae21", "lessThan": "83d857d6b0967b6709cd38750c3ce2ed8ced1a95", "versionType": "git"}, {"status": "affected", "version": "d38ceaf99ed015f2a0b9af3499791bd3a3daae21", "lessThan": "621ddffb70db824eabd63d18ac635180fe9500f9", "versionType": "git"}, {"status": "affected", "version": "d38ceaf99ed015f2a0b9af3499791bd3a3daae21", "lessThan": "18d1c5ea3798ba42cfa0f8b2264d873463facb03", "versionType": "git"}, {"status": "affected", "version": "d38ceaf99ed015f2a0b9af3499791bd3a3daae21", "lessThan": "66805763a97f8f7bdf742fc0851d85c02ed9411f", "versionType": "git"}], "programFiles": ["drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c", "drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "4.2"}, {"status": "unaffected", "version": "0", "lessThan": "4.2", "versionType": "semver"}, {"status": "unaffected", "version": "5.4.154", "versionType": "semver", "lessThanOrEqual": "5.4.*"}, {"status": "unaffected", "version": "5.10.74", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.14.13", "versionType": "semver", "lessThanOrEqual": "5.14.*"}, {"status": "unaffected", "version": "5.15", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c", "drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/83d857d6b0967b6709cd38750c3ce2ed8ced1a95"}, {"url": "https://git.kernel.org/stable/c/621ddffb70db824eabd63d18ac635180fe9500f9"}, {"url": "https://git.kernel.org/stable/c/18d1c5ea3798ba42cfa0f8b2264d873463facb03"}, {"url": "https://git.kernel.org/stable/c/66805763a97f8f7bdf742fc0851d85c02ed9411f"}], "x_generator": {"engine": "bippy-1.2.0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: fix gart.bo pin_count leak\n\ngmc_v{9,10}_0_gart_disable() isn't called matched with\ncorrespoding gart_enbale function in SRIOV case. This will\nlead to gart.bo pin_count leak on driver unload."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.4.154", "versionStartIncluding": "4.2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.10.74", "versionStartIncluding": "4.2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.14.13", "versionStartIncluding": "4.2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.15", "versionStartIncluding": "4.2"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-09-16T08:01:56.413Z"}}}, "cveMetadata": {"cveId": "CVE-2021-47431", "state": "PUBLISHED", "dateUpdated": "2025-09-16T08:01:56.413Z", "dateReserved": "2024-05-21T14:58:30.829Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-05-21T15:04:16.014Z", "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/83d857d6b0967b6709cd38750c3ce2ed8ced1a95 (string)

tags : [ »

0 : x_transferred (string)

]

}

1 : { »

url : https://git.kernel.org/stable/c/621ddffb70db824eabd63d18ac635180fe9500f9 (string)

tags : [ »

0 : x_transferred (string)

]

}

2 : { »

url : https://git.kernel.org/stable/c/18d1c5ea3798ba42cfa0f8b2264d873463facb03 (string)

tags : [ »

0 : x_transferred (string)

]

}

3 : { »

url : https://git.kernel.org/stable/c/66805763a97f8f7bdf742fc0851d85c02ed9411f (string)

tags : [ »

0 : x_transferred (string)

]

}

]

providerMetadata : { »

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

shortName : CVE (string)

dateUpdated : 2024-08-04T05:39:59.335Z (string)

}

1 : { »

title : CISA ADP Vulnrichment (string)

metrics : [ »

0 : { »

other : { »

type : ssvc (string)

content : { »

id : CVE-2021-47431 (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 : 2024-06-17T17:37:14.662615Z (string)

}

]

providerMetadata : { »

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

shortName : CISA-ADP (string)

dateUpdated : 2024-06-17T17:37:15.605Z (string)

}

]

cna : { »

title : drm/amdgpu: fix gart.bo pin_count leak (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 : d38ceaf99ed015f2a0b9af3499791bd3a3daae21 (string)

lessThan : 83d857d6b0967b6709cd38750c3ce2ed8ced1a95 (string)

versionType : git (string)

}

1 : { »

status : affected (string)

version : d38ceaf99ed015f2a0b9af3499791bd3a3daae21 (string)

lessThan : 621ddffb70db824eabd63d18ac635180fe9500f9 (string)

versionType : git (string)

}

2 : { »

status : affected (string)

version : d38ceaf99ed015f2a0b9af3499791bd3a3daae21 (string)

lessThan : 18d1c5ea3798ba42cfa0f8b2264d873463facb03 (string)

versionType : git (string)

}

3 : { »

status : affected (string)

version : d38ceaf99ed015f2a0b9af3499791bd3a3daae21 (string)

lessThan : 66805763a97f8f7bdf742fc0851d85c02ed9411f (string)

versionType : git (string)

}

]

programFiles : [ »

0 : drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c (string)

1 : drivers/gpu/drm/amd/amdgpu/gmc_v9_0.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 : 4.2 (string)

}

1 : { »

status : unaffected (string)

version : 0 (string)

lessThan : 4.2 (string)

versionType : semver (string)

}

2 : { »

status : unaffected (string)

version : 5.4.154 (string)

versionType : semver (string)

lessThanOrEqual : 5.4.* (string)

}

3 : { »

status : unaffected (string)

version : 5.10.74 (string)

versionType : semver (string)

lessThanOrEqual : 5.10.* (string)

}

4 : { »

status : unaffected (string)

version : 5.14.13 (string)

versionType : semver (string)

lessThanOrEqual : 5.14.* (string)

}

5 : { »

status : unaffected (string)

version : 5.15 (string)

versionType : original_commit_for_fix (string)

lessThanOrEqual : * (string)

}

]

programFiles : [ »

0 : drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c (string)

1 : drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c (string)

]

defaultStatus : affected (string)

}

]

references : [ »

0 : { »

url : https://git.kernel.org/stable/c/83d857d6b0967b6709cd38750c3ce2ed8ced1a95 (string)

}

1 : { »

url : https://git.kernel.org/stable/c/621ddffb70db824eabd63d18ac635180fe9500f9 (string)

}

2 : { »

url : https://git.kernel.org/stable/c/18d1c5ea3798ba42cfa0f8b2264d873463facb03 (string)

}

3 : { »

url : https://git.kernel.org/stable/c/66805763a97f8f7bdf742fc0851d85c02ed9411f (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: drm/amdgpu: fix gart.bo pin_count leak gmc_v{9,10}_0_gart_disable() isn't called matched with correspoding gart_enbale function in SRIOV case. This will lead to gart.bo pin_count leak on driver unload. (string)

}

]

cpeApplicability : [ »

0 : { »

nodes : [ »

0 : { »

negate : false (boolean)

cpeMatch : [ »

0 : { »

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

vulnerable : true (boolean)

versionEndExcluding : 5.4.154 (string)

versionStartIncluding : 4.2 (string)

}

1 : { »

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

vulnerable : true (boolean)

versionEndExcluding : 5.10.74 (string)

versionStartIncluding : 4.2 (string)

}

2 : { »

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

vulnerable : true (boolean)

versionEndExcluding : 5.14.13 (string)

versionStartIncluding : 4.2 (string)

}

3 : { »

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

vulnerable : true (boolean)

versionEndExcluding : 5.15 (string)

versionStartIncluding : 4.2 (string)

}

]

operator : OR (string)

}

]

}

]

providerMetadata : { »

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

shortName : Linux (string)

dateUpdated : 2025-09-16T08:01:56.413Z (string)

}

cveMetadata : { »

cveId : CVE-2021-47431 (string)

state : PUBLISHED (string)

dateUpdated : 2025-09-16T08:01:56.413Z (string)

dateReserved : 2024-05-21T14:58:30.829Z (string)

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

datePublished : 2024-05-21T15:04:16.014Z (string)

assignerShortName : Linux (string)

}

dataVersion : 5.1 (string)

}

Show plain JSON

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "F5DECB41-6926-4F9F-99ED-A687DE3A1B05", "versionEndExcluding": "5.4.154", "versionStartIncluding": "4.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "F73451D3-9DBE-4989-8860-387DE329E41C", "versionEndExcluding": "5.10.74", "versionStartIncluding": "5.5", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "E5F7520C-485E-4BD4-B00F-B3156EB47D9B", "versionEndExcluding": "5.14.13", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.15:rc1:*:*:*:*:*:*", "matchCriteriaId": "E46C74C6-B76B-4C94-A6A4-FD2FFF62D644", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.15:rc2:*:*:*:*:*:*", "matchCriteriaId": "60134C3A-06E4-48C1-B04F-2903732A4E56", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.15:rc3:*:*:*:*:*:*", "matchCriteriaId": "0460DA88-8FE1-46A2-9DDA-1F1ABA552E71", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: fix gart.bo pin_count leak\n\ngmc_v{9,10}_0_gart_disable() isn't called matched with\ncorrespoding gart_enbale function in SRIOV case. This will\nlead to gart.bo pin_count leak on driver unload."}, {"lang": "es", "value": " En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: drm/amdgpu: corrige la fuga de pin_count de gart.bo gmc_v{9,10}_0_gart_disable() no se llama y coincide con la funci\u00f3n gart_enbale correspondiente en el caso SRIOV. Esto provocar\u00e1 una p\u00e9rdida de pin_count de gart.bo al descargar el controlador."}], "id": "CVE-2021-47431", "lastModified": "2025-09-23T20:25:23.837", "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": "2024-05-21T15:15:28.487", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/18d1c5ea3798ba42cfa0f8b2264d873463facb03"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/621ddffb70db824eabd63d18ac635180fe9500f9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/66805763a97f8f7bdf742fc0851d85c02ed9411f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/83d857d6b0967b6709cd38750c3ce2ed8ced1a95"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/18d1c5ea3798ba42cfa0f8b2264d873463facb03"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/621ddffb70db824eabd63d18ac635180fe9500f9"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/66805763a97f8f7bdf742fc0851d85c02ed9411f"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/83d857d6b0967b6709cd38750c3ce2ed8ced1a95"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{

configurations : [ »

0 : { »

nodes : [ »

0 : { »

cpeMatch : [ »

0 : { »

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

matchCriteriaId : F5DECB41-6926-4F9F-99ED-A687DE3A1B05 (string)

versionEndExcluding : 5.4.154 (string)

versionStartIncluding : 4.2 (string)

vulnerable : true (boolean)

}

1 : { »

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

matchCriteriaId : F73451D3-9DBE-4989-8860-387DE329E41C (string)

versionEndExcluding : 5.10.74 (string)

versionStartIncluding : 5.5 (string)

vulnerable : true (boolean)

}

2 : { »

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

matchCriteriaId : E5F7520C-485E-4BD4-B00F-B3156EB47D9B (string)

versionEndExcluding : 5.14.13 (string)

versionStartIncluding : 5.11 (string)

vulnerable : true (boolean)

}

3 : { »

criteria : cpe:2.3:o:linux:linux_kernel:5.15:rc1:*:*:*:*:*:* (string)

matchCriteriaId : E46C74C6-B76B-4C94-A6A4-FD2FFF62D644 (string)

vulnerable : true (boolean)

}

4 : { »

criteria : cpe:2.3:o:linux:linux_kernel:5.15:rc2:*:*:*:*:*:* (string)

matchCriteriaId : 60134C3A-06E4-48C1-B04F-2903732A4E56 (string)

vulnerable : true (boolean)

}

5 : { »

criteria : cpe:2.3:o:linux:linux_kernel:5.15:rc3:*:*:*:*:*:* (string)

matchCriteriaId : 0460DA88-8FE1-46A2-9DDA-1F1ABA552E71 (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: drm/amdgpu: fix gart.bo pin_count leak gmc_v{9,10}_0_gart_disable() isn't called matched with correspoding gart_enbale function in SRIOV case. This will lead to gart.bo pin_count leak on driver unload. (string)

}

1 : { »

lang : es (string)

value : En el kernel de Linux, se resolvió la siguiente vulnerabilidad: drm/amdgpu: corrige la fuga de pin_count de gart.bo gmc_v{9,10}_0_gart_disable() no se llama y coincide con la función gart_enbale correspondiente en el caso SRIOV. Esto provocará una pérdida de pin_count de gart.bo al descargar el controlador. (string)

}

]

id : CVE-2021-47431 (string)

lastModified : 2025-09-23T20:25:23.837 (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 : 2024-05-21T15:15:28.487 (string)

references : [ »

0 : { »

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

tags : [ »

0 : Patch (string)

]

url : https://git.kernel.org/stable/c/18d1c5ea3798ba42cfa0f8b2264d873463facb03 (string)

}

1 : { »

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

tags : [ »

0 : Patch (string)

]

url : https://git.kernel.org/stable/c/621ddffb70db824eabd63d18ac635180fe9500f9 (string)

}

2 : { »

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

tags : [ »

0 : Patch (string)

]

url : https://git.kernel.org/stable/c/66805763a97f8f7bdf742fc0851d85c02ed9411f (string)

}

3 : { »

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

tags : [ »

0 : Patch (string)

]

url : https://git.kernel.org/stable/c/83d857d6b0967b6709cd38750c3ce2ed8ced1a95 (string)

}

4 : { »

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

tags : [ »

0 : Patch (string)

]

url : https://git.kernel.org/stable/c/18d1c5ea3798ba42cfa0f8b2264d873463facb03 (string)

}

5 : { »

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

tags : [ »

0 : Patch (string)

]

url : https://git.kernel.org/stable/c/621ddffb70db824eabd63d18ac635180fe9500f9 (string)

}

6 : { »

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

tags : [ »

0 : Patch (string)

]

url : https://git.kernel.org/stable/c/66805763a97f8f7bdf742fc0851d85c02ed9411f (string)

}

7 : { »

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

tags : [ »

0 : Patch (string)

]

url : https://git.kernel.org/stable/c/83d857d6b0967b6709cd38750c3ce2ed8ced1a95 (string)

}

]

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

vulnStatus : Analyzed (string)

weaknesses : [ »

0 : { »

description : [ »

0 : { »

lang : en (string)

value : NVD-CWE-Other (string)

}

]

source : nvd@nist.gov (string)

type : Primary (string)

}

]

}

Show plain JSON

{"bugzilla": {"description": "kernel: drm/amdgpu: fix gart.bo pin_count leak", "id": "2282300", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2282300"}, "csaw": false, "cvss3": {"cvss3_base_score": "2.3", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L", "status": "draft"}, "cwe": "CWE-401", "details": ["In the Linux kernel, the following vulnerability has been resolved:\ndrm/amdgpu: fix gart.bo pin_count leak\ngmc_v{9,10}_0_gart_disable() isn't called matched with\ncorrespoding gart_enbale function in SRIOV case. This will\nlead to gart.bo pin_count leak on driver unload."], "name": "CVE-2021-47431", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "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": "2024-05-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-47431\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-47431\nhttps://lore.kernel.org/linux-cve-announce/2024052158-CVE-2021-47431-ff0c@gregkh/T"], "threat_severity": "Low"}

{

bugzilla : { »

description : kernel: drm/amdgpu: fix gart.bo pin_count leak (string)

id : 2282300 (string)

url : https://bugzilla.redhat.com/show_bug.cgi?id=2282300 (string)

}

csaw : false (boolean)

cvss3 : { »

cvss3_base_score : 2.3 (string)

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

status : draft (string)

}

cwe : CWE-401 (string)

details : [ »

0 : In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix gart.bo pin_count leak gmc_v{9,10}_0_gart_disable() isn't called matched with correspoding gart_enbale function in SRIOV case. This will lead to gart.bo pin_count leak on driver unload. (string)

]

name : CVE-2021-47431 (string)

package_state : [ »

0 : { »

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

fix_state : Not affected (string)

package_name : kernel (string)

product_name : Red Hat Enterprise Linux 6 (string)

}

1 : { »

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

fix_state : Not affected (string)

package_name : kernel (string)

product_name : Red Hat Enterprise Linux 7 (string)

}

2 : { »

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

fix_state : Not affected (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 : Fix deferred (string)

package_name : kernel (string)

product_name : Red Hat Enterprise Linux 8 (string)

}

4 : { »

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

fix_state : Fix deferred (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 : 2024-05-21T00:00:00Z (string)

references : [ »

0 : https://www.cve.org/CVERecord?id=CVE-2021-47431 https://nvd.nist.gov/vuln/detail/CVE-2021-47431 https://lore.kernel.org/linux-cve-announce/2024052158-CVE-2021-47431-ff0c@gregkh/T (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