Incorrect Synchronization Affecting kernel-debug-devel package, versions *


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.02% (5th percentile)

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  • Snyk IDSNYK-RHEL9-KERNELDEBUGDEVEL-16271237
  • published25 Apr 2026
  • disclosed24 Apr 2026

Introduced: 24 Apr 2026

NewCVE-2026-31574  (opens in a new tab)
CWE-821  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:9 kernel-debug-devel.

NVD Description

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

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

clockevents: Add missing resets of the next_event_forced flag

The prevention mechanism against timer interrupt starvation missed to reset the next_event_forced flag in a couple of places:

- When the clock event state changes. That can cause the flag to be
  stale over a shutdown/startup sequence

  • When a non-forced event is armed, which then prevents rearming before that event. If that event is far out in the future this will cause missed timer interrupts.

  • In the suspend wakeup handler.

That led to stalls which have been reported by several people.

Add the missing resets, which fixes the problems for the reporters.

CVSS Base Scores

version 3.1