CVE-2025-38087 Affecting kernel-debug-modules-extra package, versions <0:5.14.0-570.32.1.el9_6


Severity

Recommended
high

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.03% (6th percentile)

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  • Snyk IDSNYK-ALMALINUX9-KERNELDEBUGMODULESEXTRA-11509715
  • published8 Aug 2025
  • disclosed4 Aug 2025

Introduced: 4 Aug 2025

NewCVE-2025-38087  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:9 kernel-debug-modules-extra to version 0:5.14.0-570.32.1.el9_6 or higher.
This issue was patched in ALSA-2025:12746.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-debug-modules-extra package and not the kernel-debug-modules-extra package as distributed by AlmaLinux. See How to fix? for AlmaLinux:9 relevant fixed versions and status.

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

net/sched: fix use-after-free in taprio_dev_notifier

Since taprio’s taprio_dev_notifier() isn’t protected by an RCU read-side critical section, a race with advance_sched() can lead to a use-after-free.

Adding rcu_read_lock() inside taprio_dev_notifier() prevents this.

CVSS Base Scores

version 3.1