CVE-2023-53351 drm/sched: Check scheduler work queue before calling timeout handling

In the Linux kernel, the following vulnerability has been resolved: drm/sched: Check scheduler work queue before calling timeout handling During an IGT GPU reset test we see again oops despite of commit 0c8c901aaaebc9 drm/sched: Check scheduler ready before calling timeout handling. It uses ready...

CVE-2023-53351

CVE-2023-53351 concerns the Linux kernel drm/sched subsystem. The vulnerability arises from using the scheduler’s ready flag to decide whether to call drm_sched_fault, which could lead to GPU reset or a fault depending on timing between IRQ handling and gfx engine startup. The root cause is that ...