Detection of Error Condition Without Action Affecting libuuid-devel package, versions *


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.22% (11th percentile)

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  • Snyk IDSNYK-RHEL10-LIBUUIDDEVEL-19505694
  • published3 Sept 2026
  • disclosed2 Sept 2026

Introduced: 2 Sep 2026

CVE-2026-76642  (opens in a new tab)
CWE-390  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:10 libuuid-devel.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libuuid-devel package and not the libuuid-devel package as distributed by RHEL. See How to fix? for RHEL:10 relevant fixed versions and status.

util-linux versions through 2.41.5 and 2.42.2 fail to check mount helper exit status before running post-mount hooks, allowing unprivileged users to execute privileged operations on pre-existing filesystems. Attackers can exploit X-mount.idmap or X-mount.owner hooks to clone filesystems with inherited suid bits or modify target inode permissions after a helper fails, achieving privilege escalation.

CVSS Base Scores

version 3.1