CVE-2021-46985 : In the Linux kernel, the following vulnerability has been resolved: ACPI: scan:

In the Linux kernel, the following vulnerability has been resolved: ACPI: scan: Fix a memory leak in an error handling path If 'acpi_device_set_name()' fails, we must free 'acpi_device_bus_id->bus_id' or there is a (potential) memory leak.

Published 2024-02-28 09:15:37

Updated 2024-12-06 15:02:17

Source Linux

View at NVD, CVE.org

Products affected by CVE-2021-46985

Linux » Linux Kernel
Versions from including (>=) 5.12 and before (<) 5.12.5
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel
Versions from including (>=) 5.10.27 and before (<) 5.10.38
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel
Versions from including (>=) 4.9.264 and before (<) 4.9.269
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel
Versions from including (>=) 4.14.228 and before (<) 4.14.233
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel
Versions from including (>=) 4.19.184 and before (<) 4.19.191
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel
Versions from including (>=) 5.11.11 and before (<) 5.11.22
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel
Versions from including (>=) 5.4.109 and before (<) 5.4.120
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel » Version: 5.13 Update RC1
cpe:2.3:o:linux:linux_kernel:5.13:rc1:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2021-46985

EPSS FAQ

0.04%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 8 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-46985

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source	First Seen
5.5	MEDIUM	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	1.8	3.6	NIST	2024-12-06
Attack Vector: Local Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE ids for CVE-2021-46985

CWE-401 Missing Release of Memory after Effective Lifetime

The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2021-46985

https://git.kernel.org/stable/c/c5c8f6ffc942cf42f990f22e35bcf4cbe9d8c2fb

ACPI: scan: Fix a memory leak in an error handling path - kernel/git/stable/linux.git - Linux kernel stable tree
Patch
https://git.kernel.org/stable/c/69cc821e89ce572884548ac54c4f80eec7a837a5

ACPI: scan: Fix a memory leak in an error handling path - kernel/git/stable/linux.git - Linux kernel stable tree
Patch
https://git.kernel.org/stable/c/a7e17a8d421ae23c920240625b4413c7b94d94a4

ACPI: scan: Fix a memory leak in an error handling path - kernel/git/stable/linux.git - Linux kernel stable tree
Patch
https://git.kernel.org/stable/c/6901a4f795e0e8d65ae779cb37fc22e0bf294712

ACPI: scan: Fix a memory leak in an error handling path - kernel/git/stable/linux.git - Linux kernel stable tree
Patch
https://git.kernel.org/stable/c/0c8bd174f0fc131bc9dfab35cd8784f59045da87

ACPI: scan: Fix a memory leak in an error handling path - kernel/git/stable/linux.git - Linux kernel stable tree
Patch
https://git.kernel.org/stable/c/dafd4c0b5e835db020cff11c74b4af9493a58e72

ACPI: scan: Fix a memory leak in an error handling path - kernel/git/stable/linux.git - Linux kernel stable tree
Patch
https://git.kernel.org/stable/c/e2381174daeae0ca35eddffef02dcc8de8c1ef8a

ACPI: scan: Fix a memory leak in an error handling path - kernel/git/stable/linux.git - Linux kernel stable tree
Patch
https://git.kernel.org/stable/c/5ab9857dde7c3ea3faef6b128d718cf8ba98721b

ACPI: scan: Fix a memory leak in an error handling path - kernel/git/stable/linux.git - Linux kernel stable tree
Patch

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Vulnerability Details : CVE-2021-46985

Products affected by CVE-2021-46985

Exploit prediction scoring system (EPSS) score for CVE-2021-46985

CVSS scores for CVE-2021-46985

CWE ids for CVE-2021-46985

References for CVE-2021-46985