Description (CNA)
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]
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Linux / Linux | affected dd08ebf6c3525a7ea2186e636df064ea47281987 before a6d81b2d7037ef36163ad16459ed3fd17cb1b596; affected dd08ebf6c3525a7ea2186e636df064ea47281987 before 20eec7018e132a023f84ccbdf56b6c5b73d3094f; affected dd08ebf6c3525a7ea2186e636df064ea47281987 before 1e1981b16bb1bbe2fafa57ed439b45cb5b34e32d |
| Linux / Linux | affected 6.8; unaffected 0 before 6.8; unaffected 6.12.36 through 6.12.*; unaffected 6.15.5 through 6.15.*; unaffected 6.16 through * |
CWE
No CWE identifiers supplied.