Detections
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Echo: util-linux: security update to 2.41.5-0+deb13u1+e2

high Tenable Cloud Security Plugin ID 459544

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - 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. (CVE-2026-76642)

Solution

Update the util-linux library and its related packages to version 2.41.5-0+deb13u1+e2 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-76642

Plugin Details

Severity: High

ID: 459544

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.39

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C

CVSS Score Source: CVE-2026-76642

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS v4

Risk Factor: High

Base Score: 8.5

Threat Score: 5.9

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 9/3/2026

Vulnerability Publication Date: 9/3/2026

Reference Information

CVE: CVE-2026-76642