SB20260105110 - Improper locking in Linux kernel drm vgem driver
Published: January 5, 2026
Security Bulletin ID
SB20260105110
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) Improper locking (CVE-ID: CVE-2025-68757)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the vgem_fence_create() function in drivers/gpu/drm/vgem/vgem_fence.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.