#VU120446 NULL pointer dereference in Linux kernel - CVE-2023-54122
Published: December 26, 2025 / Updated: December 31, 2025
Vulnerability identifier: #VU120446
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-2023-54122
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 dpu_crtc_reset() function in drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.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/31f2f8de0ea7387cde18a24f94ba5e0b886b9842
- https://git.kernel.org/stable/c/42442d42c57b9fbc35cb5ef72c7e5347c5f7d082
- https://git.kernel.org/stable/c/a52e5a002d18bffabff66f6f59a74f8e9aac5afe
- https://git.kernel.org/stable/c/a6afb8293ec0932f4ed0b7aecfc0ccc00f44dc2b
- https://git.kernel.org/stable/c/c96988b7d99327bb08bd9efd29a203b22cd88ace
- https://git.kernel.org/stable/c/d4ba50614cb3f0686bbdb505af685d78e75861dc
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.99