SB20250226220 - Memory leak in Linux kernel swsmu smu12 driver
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226220
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Memory leak (CVE-ID: CVE-2021-4453)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the smu_v12_0_fini_smc_tables() function in drivers/gpu/drm/amd/pm/swsmu/smu12/smu_v12_0.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/222cebd995cdf11fe0d502749560f65e64990e55
- https://git.kernel.org/stable/c/257b3bb16634fd936129fe2f57a91594a75b8751
- https://git.kernel.org/stable/c/aa464957f7e660abd554f2546a588f6533720e21
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.88
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16