SB2025031266 - Improper locking in Linux kernel gt uc driver
Published: March 12, 2025 Updated: May 11, 2025
Security Bulletin ID
SB2025031266
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-2025-21849)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the guc_lrc_desc_unpin() function in drivers/gpu/drm/i915/gt/uc/intel_guc_submission.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/2bf1f4c129db7a10920655b000f0292f1ee509c2
- https://git.kernel.org/stable/c/47ae46ac5407646420e06b78e0dad331e56a4bb4
- https://git.kernel.org/stable/c/e49477f7f78598295551d486ecc7f020d796432e
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.17
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13.5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.14