CVE-2025-21995
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.
Does this matter?
Lower severity and a low EPSS score (0.19%). Track it; it rarely justifies an emergency change on its own.
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]
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.19% probability · 9th percentile
- CISA KEV
- Not listed
- Affected
- linux/linux kernel
- Source
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
References
- https://git.kernel.org/stable/c/1135a9431160575466ea9ac37ebd756ecbe35fffPatch
- https://git.kernel.org/stable/c/35399c84dcedd6d31448fb9e1336ef52673f2882Patch
- https://git.kernel.org/stable/c/a952f1ab696873be124e31ce5ef964d36bce817fPatch
- https://git.kernel.org/stable/c/c76bd3c99293834de7d1dca5de536616d5655e38Patch
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.