CVE-2025-38353 Information

Jul 26, 2025 cve

Description

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]

Reference

https://git.kernel.org/stable/c/1e1981b16bb1bbe2fafa57ed439b45cb5b34e32d https://git.kernel.org/stable/c/20eec7018e132a023f84ccbdf56b6c5b73d3094f https://git.kernel.org/stable/c/a6d81b2d7037ef36163ad16459ed3fd17cb1b596

CNNVD-202507-3180 (Published: 2025-07-25)

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