SB20251226188 - NULL pointer dereference in Linux kernel disp dpu1 driver
Published: December 26, 2025 Updated: December 31, 2025
Security Bulletin ID
SB20251226188
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-2023-54122)
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 website.
References
- 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