CVE-2025-21995

high

Description

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]

References

https://git.kernel.org/stable/c/c76bd3c99293834de7d1dca5de536616d5655e38

https://git.kernel.org/stable/c/a952f1ab696873be124e31ce5ef964d36bce817f

https://git.kernel.org/stable/c/35399c84dcedd6d31448fb9e1336ef52673f2882

https://git.kernel.org/stable/c/1135a9431160575466ea9ac37ebd756ecbe35fff

Details

Source: Mitre, NVD

Published: 2025-04-03

Updated: 2025-04-03

Risk Information

CVSS v2

Base Score: 2.1

Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:N/A:N

Severity: Low

CVSS v3

Base Score: 7.1

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Severity: High