#VU120445 NULL pointer dereference in Linux kernel - CVE-2023-54138
Published: December 26, 2025 / Updated: December 31, 2025
Vulnerability identifier: #VU120445
Vulnerability risk: Low
CVSSv4.0: 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
CVE-ID: CVE-2023-54138
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
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 repository.
External links
- 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