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CVE-2025-37869: drm/xe: Use local fence in error path of xe_migrate_clear

Description

In the Linux kernel, the following vulnerability has been resolved:

drm/xe: Use local fence in error path of xe_migrate_clear

The intent of the error path in xe_migrate_clear is to wait on locally
generated fence and then return. The code is waiting on m->fence which
could be the local fence but this is only stable under the job mutex
leading to a possible UAF. Fix code to wait on local fence.

(cherry picked from commit 762b7e95362170b3e13a8704f38d5e47eca4ba74)

Classification

CVE ID: CVE-2025-37869

Affected Products

Vendor: Linux

Product: Linux

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.02% (probability of being exploited)

EPSS Percentile: 4.25% (scored less or equal to compared to others)

EPSS Date: 2025-06-07 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2025-37869
https://git.kernel.org/stable/c/2ac5f466f62892a7d1ac2d1a3eb6cd14efbe2f2d
https://git.kernel.org/stable/c/dc712938aa26b001f448d5e93f59d57fa80f2dbd
https://git.kernel.org/stable/c/20659d3150f1a2a258a173fe011013178ff2a197

Timeline