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AlmaLinux 9.2 [TuxCare] Security Update: squashfs-tools (ALMALINUX9.2:CLSA-2025:1751888935)

high Nessus Plugin ID 360668

Synopsis

The AlmaLinux host is missing one or more security updates.

Description

The AlmaLinux 9.2 host has a package installed that is affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2025:1751888935 advisory.

 - squashfs_opendir in unsquash-2.c in Squashfs-Tools 4.5 allows Directory Traversal, a different vulnerability than CVE-2021-40153. A squashfs filesystem that has been crafted to include a symbolic link and then contents under the same filename in a filesystem can cause unsquashfs to first create the symbolic link pointing outside the expected directory, and then the subsequent write operation will cause the unsquashfs process to write through the symbolic link elsewhere in the filesystem. (CVE-2021-41072)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected squashfs-tools package based on the guidance in TuxCare advisory ALMALINUX9.2:CLSA-2025:1751888935.

See Also

https://cve.tuxcare.com/els/releases/CLSA-2025:1751888935

http://www.nessus.org/u?3e30e04f

Plugin Details

Severity: High

ID: 360668

File Name: tuxcare_alma_linux_9.2_CLSA-2025-1751888935.nasl

Version: 1.1

Type: Local

Published: 10/1/2026

Updated: 10/1/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.3

Percentile: 53.06

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: Medium

Base Score: 5.8

Temporal Score: 4.5

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:P

CVSS Score Source: CVE-2021-41072

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.3

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

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

Vulnerability Information

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/AlmaLinux/release, Host/AlmaLinux/rpm-list, Host/OS/extended-third-party

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 7/7/2025

Vulnerability Publication Date: 9/14/2021

Reference Information

CVE: CVE-2021-41072

CLSA: 2025:1751888935