Linux Kernel CT Safe Mode Exit Vulnerability in DRM/xe/GUC

Vulnerability

A vulnerability in the Linux kernel's DRM/xe/GUC component involves improper handling of 'CT safe mode' during the driver probe process. This issue can lead to a warning being triggered when the workqueue is destroyed while a pending delayed work is still active, attempting to restart itself. This vulnerability was noted during a failed initialization of a virtual function, where the probe process aborted early, causing the warning to surface.

Impact

Exiting 'CT safe mode' improperly during the driver probe can lead to workqueue management issues, causing warnings that may disrupt normal kernel operations.

Added: Jul 25, 2025, 3:35 PM
Updated: Jul 25, 2025, 3:35 PM

Vulnerability Rating

Custom Algorithm
spread
9.0
impact
2.5
exploitability
4.0
remediation
0.0
relevance
0.3
threat
3.2
urgency
2.9
incentive
1.7

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.