SB20251208102 - Improper locking in Linux kernel drm gud driver



SB20251208102 - Improper locking in Linux kernel drm gud driver

Published: December 8, 2025 Updated: December 12, 2025

Security Bulletin ID SB20251208102
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Improper locking (CVE-ID: CVE-2022-50628)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper locking within the gud_prep_flush() function in drivers/gpu/drm/gud/gud_pipe.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.