Improper Handling of Length Parameter Inconsistency Affecting kernel-modules-extra package, versions <0:5.14.0-284.178.1.el9_2


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.54% (46th percentile)

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  • Snyk IDSNYK-RHEL9-KERNELMODULESEXTRA-17787631
  • published2 Jul 2026
  • disclosed6 May 2026

Introduced: 6 May 2026

CVE-2026-43125  (opens in a new tab)
CWE-130  (opens in a new tab)

How to fix?

Upgrade RHEL:9 kernel-modules-extra to version 0:5.14.0-284.178.1.el9_2 or higher.
This issue was patched in RHSA-2026:34095.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-modules-extra package and not the kernel-modules-extra 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:

dlm: validate length in dlm_search_rsb_tree

The len parameter in dlm_dump_rsb_name() is not validated and comes from network messages. When it exceeds DLM_RESNAME_MAXLEN, it can cause out-of-bounds write in dlm_search_rsb_tree().

Add length validation to prevent potential buffer overflow.

CVSS Base Scores

version 3.1