Use After Free Affecting kernel package, versions <0:4.18.0-553.77.1.el8_10


Severity

Recommended
medium

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.23% (15th percentile)

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  • Snyk IDSNYK-ALMALINUX8-KERNEL-22101101
  • published31 Oct 2026
  • disclosed29 Sept 2025

Introduced: 29 Sep 2025

CVE-2025-37823  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:8 kernel to version 0:4.18.0-553.77.1.el8_10 or higher.
This issue was patched in ALSA-2025:16919.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel package and not the kernel package as distributed by AlmaLinux. See How to fix? for AlmaLinux:8 relevant fixed versions and status.

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

net_sched: hfsc: Fix a potential UAF in hfsc_dequeue() too

Similarly to the previous patch, we need to safe guard hfsc_dequeue() too. But for this one, we don't have a reliable reproducer.

CVSS Base Scores

version 3.1