SB2025090507 - Improper locking in Linux kernel drm xe driver
Published: September 5, 2025
Security Bulletin ID
SB2025090507
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-2025-38703)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the xe_hw_fence_irq_finish() function in drivers/gpu/drm/xe/xe_hw_fence.c, within the __guc_exec_queue_fini_async() and guc_exec_queue_init() functions in drivers/gpu/drm/xe/xe_guc_submit.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.