CVE-2021-47499 - Vulnerability Details

Vendors	Products
Linux	Linux Kernel

Link	Providers
https://git.kernel.org/stable/c/14508fe13b1c578b3d2ba574f1d48b351975860c
https://git.kernel.org/stable/c/3899700ddacbf7aaafadf44464fff3ff0d4e3307
https://git.kernel.org/stable/c/60a55b9d91ba99eb8cf015bc46dc2de05e168a15
https://git.kernel.org/stable/c/70c9774e180d151abaab358108e3510a8e615215
https://git.kernel.org/stable/c/8c163a14277115ca962103910ab4cce55e862ffb
https://git.kernel.org/stable/c/8c1d43f3a3fc7184c42d7398bdf59a2a2903e4fc
https://git.kernel.org/stable/c/a3730f74159ad00a28960c0efe2a931fe6fe6b45
https://git.kernel.org/stable/c/ee86d0bad80bdcd11a87e188a596727f41b62320
https://nvd.nist.gov/vuln/detail/CVE-2021-47499
https://www.cve.org/CVERecord?id=CVE-2021-47499

Type	Values Removed	Values Added
First Time appeared		Linux Linux linux Kernel
CPEs		cpe:2.3:o:linux:linux_kernel:::::::: cpe:2.3:o:linux:linux_kernel:5.16:rc1:::::: cpe:2.3:o:linux:linux_kernel:5.16:rc2:::::: cpe:2.3:o:linux:linux_kernel:5.16:rc3:::::: cpe:2.3:o:linux:linux_kernel:5.16:rc4::::::
Vendors & Products		Linux Linux linux Kernel
Metrics	cvssV3_1 `{'score': 4.4, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/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'}`

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

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

Show plain JSON

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32 bytes):\n    02 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\n    00 00 00 00 00 00 00 00 20 e2 e5 c0 ff ff ff ff  ........ .......\n  backtrace:\n    [<0000000041ce75ee>] kmem_cache_alloc_trace+0x16d/0x360\n    [<000000000aeb17b0>] iio_kfifo_allocate+0x41/0x130 [kfifo_buf]\n    [<000000004b40c1f5>] iio_triggered_buffer_setup_ext+0x2c/0x210 [industrialio_triggered_buffer]\n    [<000000004375b15f>] kxcjk1013_probe+0x10c3/0x1d81 [kxcjk_1013]\n\nFix it by remove data->dready_trig condition in probe and remove."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/iio/accel/kxcjk-1013.c"], "versions": [{"version": "a25691c1f9674090fb66586cf4c5d60d3efdf339", "lessThan": "8c1d43f3a3fc7184c42d7398bdf59a2a2903e4fc", "status": "affected", "versionType": "git"}, {"version": "a25691c1f9674090fb66586cf4c5d60d3efdf339", "lessThan": 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}

Show plain JSON

{"bugzilla": {"description": "kernel: iio: accel: kxcjk-1013: Fix possible memory leak in probe and remove", "id": "2283455", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2283455"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.4", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L", "status": "draft"}, "cwe": "CWE-401", "details": ["In the Linux kernel, the following vulnerability has been resolved:\niio: accel: kxcjk-1013: Fix possible memory leak in probe and remove\nWhen ACPI type is ACPI_SMO8500, the data->dready_trig will not be set, the\nmemory allocated by iio_triggered_buffer_setup() will not be freed, and cause\nmemory leak as follows:\nunreferenced object 0xffff888009551400 (size 512):\ncomm \"i2c-SMO8500-125\", pid 911, jiffies 4294911787 (age 83.852s)\nhex dump (first 32 bytes):\n02 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\n00 00 00 00 00 00 00 00 20 e2 e5 c0 ff ff ff ff  ........ .......\nbacktrace:\n[<0000000041ce75ee>] kmem_cache_alloc_trace+0x16d/0x360\n[<000000000aeb17b0>] iio_kfifo_allocate+0x41/0x130 [kfifo_buf]\n[<000000004b40c1f5>] iio_triggered_buffer_setup_ext+0x2c/0x210 [industrialio_triggered_buffer]\n[<000000004375b15f>] kxcjk1013_probe+0x10c3/0x1d81 [kxcjk_1013]\nFix it by remove data->dready_trig condition in probe and remove."], "name": "CVE-2021-47499", "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": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-05-24T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-47499\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-47499"], "threat_severity": "Low"}

{

bugzilla : { »

description : kernel: iio: accel: kxcjk-1013: Fix possible memory leak in probe and remove (string)

id : 2283455 (string)

url : https://bugzilla.redhat.com/show_bug.cgi?id=2283455 (string)

}

csaw : false (boolean)

cvss3 : { »

cvss3_base_score : 4.4 (string)

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

status : draft (string)

}

cwe : CWE-401 (string)

details : [ »

0 : In the Linux kernel, the following vulnerability has been resolved: iio: accel: kxcjk-1013: Fix possible memory leak in probe and remove When ACPI type is ACPI_SMO8500, the data->dready_trig will not be set, the memory allocated by iio_triggered_buffer_setup() will not be freed, and cause memory leak as follows: unreferenced object 0xffff888009551400 (size 512): comm "i2c-SMO8500-125", pid 911, jiffies 4294911787 (age 83.852s) hex dump (first 32 bytes): 02 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 20 e2 e5 c0 ff ff ff ff ........ ....... backtrace: [<0000000041ce75ee>] kmem_cache_alloc_trace+0x16d/0x360 [<000000000aeb17b0>] iio_kfifo_allocate+0x41/0x130 [kfifo_buf] [<000000004b40c1f5>] iio_triggered_buffer_setup_ext+0x2c/0x210 [industrialio_triggered_buffer] [<000000004375b15f>] kxcjk1013_probe+0x10c3/0x1d81 [kxcjk_1013] Fix it by remove data->dready_trig condition in probe and remove. (string)

]

name : CVE-2021-47499 (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 : Fix deferred (string)

package_name : kernel (string)

product_name : Red Hat Enterprise Linux 9 (string)

}

6 : { »

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

fix_state : Fix deferred (string)

package_name : kernel-rt (string)

product_name : Red Hat Enterprise Linux 9 (string)

}

]

public_date : 2024-05-24T00:00:00Z (string)

references : [ »

0 : https://www.cve.org/CVERecord?id=CVE-2021-47499 https://nvd.nist.gov/vuln/detail/CVE-2021-47499 (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

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