CVE-2025-21995

Medium

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]

SeverityMedium
CVSS5.5
Exploit probability—
ProductLinux Kernel
PublishedApr 3, 2025
First seenApr 3, 2025

How to fix

Update
  • linux linux_kernel6.6.85, 6.12.21, 6.13.9 or later

Affected products

ProductAffected versionsFixed in
linux linux_kernel6.2 ≤ v < 6.6.85, 6.7 ≤ v < 6.12.21, 6.13 ≤ v < 6.13.9, 6.146.6.85, 6.12.21, 6.13.9

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