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Improper Update of Reference Count The advisory has been revoked - it doesn't affect any version of package kernel-headers  (opens in a new tab)

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EPSS
0.19% (9th percentile)

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  • Snyk IDSNYK-RHEL10-KERNELHEADERS-14581338
  • published25 Dec 2025
  • disclosed24 Dec 2025
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Introduced: 24 Dec 2025

CVE-2025-68732  (opens in a new tab)
CWE-911  (opens in a new tab)

Amendment

The Red Hat security team deemed this advisory irrelevant for RHEL:10.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-headers package and not the kernel-headers package as distributed by RHEL.

In the Linux kernel, the following vulnerability has been resolved:

gpu: host1x: Fix race in syncpt alloc/free

Fix race condition between host1x_syncpt_alloc() and host1x_syncpt_put() by using kref_put_mutex() instead of kref_put() + manual mutex locking.

This ensures no thread can acquire the syncpt_mutex after the refcount drops to zero but before syncpt_release acquires it. This prevents races where syncpoints could be allocated while still being cleaned up from a previous release.

Remove explicit mutex locking in syncpt_release as kref_put_mutex() handles this atomically.