NULL Pointer Dereference The advisory has been revoked - it doesn't affect any version of package kernel-rt-64k-devel-matched  (opens in a new tab)


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  • Snyk IDSNYK-RHEL9-KERNELRT64KDEVELMATCHED-14294116
  • published10 Dec 2025
  • disclosed9 Dec 2025

Introduced: 9 Dec 2025

CVE-2023-53861  (opens in a new tab)
CWE-476  (opens in a new tab)

Amendment

The Red Hat security team deemed this advisory irrelevant for RHEL:9.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-rt-64k-devel-matched package and not the kernel-rt-64k-devel-matched package as distributed by RHEL.

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

ext4: correct grp validation in ext4_mb_good_group

Group corruption check will access memory of grp and will trigger kernel crash if grp is NULL. So do NULL check before corruption check.