SB20251226224 - NULL pointer dereference in Linux kernel disp dpu1 driver
Published: December 26, 2025 Updated: December 31, 2025
Security Bulletin ID
SB20251226224
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-2023-53991)
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_rm_get_assigned_resources() function in drivers/gpu/drm/msm/disp/dpu1/dpu_rm.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/8dbd54d679e3ab37be43bc1ed9f463dbf83a2259
- https://git.kernel.org/stable/c/9e1e236acdc42b5c43ec8d7f03a39537e70cc309
- https://git.kernel.org/stable/c/9fe3644c720ac87d150f0bba5a4ae86cae55afaf
- https://git.kernel.org/stable/c/abc40122d9a69f56c04efb5a7485795f5ac799d1
- https://git.kernel.org/stable/c/bf661c5e3bc48973acb363c76e3db965d9ed26d0
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.99