CVE-2025-38353
drm/xe: Fix taking invalid lock on wedge
We use these services and cookies to improve your user experience. You may opt out if you wish, however, this may limit some features on this site.
Please see our statement on Data Privacy.
drm/xe: Fix taking invalid lock on wedge
In the Linux kernel, the following vulnerability has been resolved: drm/xe: Fix taking invalid lock on wedge If device wedges on e.g. GuC upload, the submission is not yet enabled and the state is not even initialized. Protect the wedge call so it does nothing in this case. It fixes the following splat: [] xe 0000:bf:00.0: [drm] device wedged, needs recovery [] ------------[ cut here ]------------ [] DEBUG_LOCKS_WARN_ON(lock->magic != lock) [] WARNING: CPU: 48 PID: 312 at kernel/locking/mutex.c:564 __mutex_lock+0x8a1/0xe60 ... [] RIP: 0010:__mutex_lock+0x8a1/0xe60 [] mutex_lock_nested+0x1b/0x30 [] xe_guc_submit_wedge+0x80/0x2b0 [xe]
Reserved 2025-04-16 | Published 2025-07-25 | Updated 2025-07-25 | Assigner Linuxgit.kernel.org/...c/a6d81b2d7037ef36163ad16459ed3fd17cb1b596
git.kernel.org/...c/20eec7018e132a023f84ccbdf56b6c5b73d3094f
git.kernel.org/...c/1e1981b16bb1bbe2fafa57ed439b45cb5b34e32d
Support options
