Google: sys-apps/util-linux: security update to 17162.463.16

medium Tenable Self-Hosted Container Security Plugin ID 452089

Description

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

- A logic error was found in the libmount library of util-linux in the function that allows an unprivileged
user to unmount a FUSE filesystem. This flaw allows a local user on a vulnerable system to unmount other
users' filesystems that are either world-writable themselves (like /tmp) or mounted in a world-writable
directory. An attacker may use this flaw to cause a denial of service to applications that use the
affected filesystems. (CVE-2021-3996)

Solution

Update the sys-apps/util-linux library and its related packages to version 17162.463.16 or later.

Plugin Details

Severity: Medium

ID: 452089

Version: Revision 1.1

Type: Local

Family: Google COS Security Checks

Published: 10/1/2026

Updated: 10/1/2026

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.18

Vendor

Vendor Severity: MEDIUM

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.6

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

CVSS Score Source: CVE-2021-3996

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 5

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

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

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Vulnerability Publication Date: 1/27/2022

Reference Information

CVE: CVE-2021-3996

Detections

Analytics