SB2025040285 - Improper locking in Linux kernel drm imagination driver
Published: April 2, 2025 Updated: May 11, 2025
Security Bulletin ID
SB2025040285
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-2025-21911)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the pvr_queue_fence_get_driver_name() and pvr_queue_fence_init() functions in drivers/gpu/drm/imagination/pvr_queue.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/9bd8b8d34cf4efba18766d64f817c819ed1bbde7
- https://git.kernel.org/stable/c/d993ae7360923efd6ade43a32043459a121c28c1
- https://git.kernel.org/stable/c/df1a1ed5e1bdd9cc13148e0e5549f5ebcf76cf13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.19
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13.7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.14