SB20251226187 - NULL pointer dereference in Linux kernel drm msm driver
Published: December 26, 2025 Updated: December 31, 2025
Security Bulletin ID
SB20251226187
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) NULL pointer dereference (CVE-ID: CVE-2023-54138)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the msm_drm_uninit() function in drivers/gpu/drm/msm/msm_drv.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/72092e34742e8b34accdadfa7bd9a13cf255a531
- https://git.kernel.org/stable/c/bafa985acff9b0ed53957beff33c18be08d6b9a6
- https://git.kernel.org/stable/c/cd459c005de3e2b855a8cc7768e633ce9d018e9f
- https://git.kernel.org/stable/c/dd8ce825b165acf997689c5ffa45d6a7a1fc0260
- https://git.kernel.org/stable/c/e2d1cc82ad509c07a9ab0ab4bf88b6613fbf784b
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.112