CVE-2025-38087 Affecting kernel-64k-debug-modules-core package, versions <0:6.12.0-55.25.1.el10_0


Severity

Recommended
high

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.03% (6th percentile)

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  • Snyk IDSNYK-ALMALINUX10-KERNEL64KDEBUGMODULESCORE-11810448
  • published15 Aug 2025
  • disclosed4 Aug 2025

Introduced: 4 Aug 2025

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

How to fix?

Upgrade AlmaLinux:10 kernel-64k-debug-modules-core to version 0:6.12.0-55.25.1.el10_0 or higher.
This issue was patched in ALSA-2025:12662.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-64k-debug-modules-core package and not the kernel-64k-debug-modules-core package as distributed by AlmaLinux. See How to fix? for AlmaLinux:10 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