NULL Pointer Dereference The advisory has been revoked - it doesn't affect any version of package kernel-64k-debug-devel-matched  (opens in a new tab)


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  • Snyk IDSNYK-RHEL9-KERNEL64KDEBUGDEVELMATCHED-13109252
  • published28 Sept 2025
  • disclosed16 Sept 2025

Introduced: 16 Sep 2025

CVE-2023-53292  (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-64k-debug-devel-matched package and not the kernel-64k-debug-devel-matched package as distributed by RHEL.

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

blk-mq: fix NULL dereference on q->elevator in blk_mq_elv_switch_none

After grabbing q->sysfs_lock, q->elevator may become NULL because of elevator switch.

Fix the NULL dereference on q->elevator by checking it with lock.