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CVE-2025-21995

drm/sched: Fix fence reference count leak

CVSS 5.5 MEDIUMEPSS 0.2%
In the Linux kernel, the following vulnerability has been resolved: drm/sched: Fix fence reference count leak The last_scheduled fence leaks when an entity is being killed and adding the cleanup callback fails. Decrement the reference count of prev when dma_fence_add_callback() fails, ensuring proper balance. [phasta: add git tag info for stable kernel]
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products
Linux · Linux

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References
https://git.kernel.org/stable/c/1135a9431160575466ea9ac37ebd756ecbe35fffhttps://git.kernel.org/stable/c/35399c84dcedd6d31448fb9e1336ef52673f2882https://git.kernel.org/stable/c/a952f1ab696873be124e31ce5ef964d36bce817fhttps://git.kernel.org/stable/c/c76bd3c99293834de7d1dca5de536616d5655e38