Vulnerability 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 Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 6.2, < 6.6.85 |
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
FAQ
What is CVE-2025-21995?
CVE-2025-21995 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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 cal...
How severe is CVE-2025-21995?
CVE-2025-21995 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-21995?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.