SB20251230291 - Improper Initialization in Linux kernel pm powerplay driver
Published: December 30, 2025 Updated: December 30, 2025
Security Bulletin ID
SB20251230291
CSH 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 vulnerability.
1) Improper Initialization (CVE-ID: CVE-2022-50844)
CWE-ID: CWE-665 - Improper Initialization
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper initialization within the pp_set_fine_grain_clk_vol() function in drivers/gpu/drm/amd/pm/powerplay/amd_powerplay.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/24cba9d865157c9e23128fbcf8b86f5da9570edd
- https://git.kernel.org/stable/c/36217f676b55932a12d6732c95388150015fdee6
- https://git.kernel.org/stable/c/9606bbc271ac86c266d1f4a0285dd69b3fda2d0f
- https://git.kernel.org/stable/c/e4d0ef752081e7aa6ffb7ccac11c499c732a2e05
- https://git.kernel.org/stable/c/f9084e9930db562bdcd47fa199a66fb45e16dab5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.86