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🛡️ RLSA-2024:2396 — squashfs-tools (CVE-2021-40153 +1 more)

⚪ Unknown ✅ No Known Exploit OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Moderate: squashfs-tools security update

SquashFS is a highly compressed read-only file system for Linux. These packages contain the utilities for manipulating squashfs file systems.

Security Fix(es):

  • squashfs-tools: unvalidated filepaths allow writing outside of destination (CVE-2021-40153)
  • squashfs-tools: possible Directory Traversal via symbolic link (CVE-2021-41072)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Rocky Linux 9.4 Release Notes linked from the References section.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. A user must be tricked into taking some action. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity high, availability high.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H

  • Attack vector: Network — reachable from anywhere that can route to the service.
  • Attack complexity: Low — the attack works reliably, with no preparation.
  • Privileges required: None — an unauthenticated stranger can try it.
  • User interaction: Required — someone has to click, open or visit something.
  • Scope: Unchanged — the damage stays inside the vulnerable component.
  • Confidentiality impact: None.
  • Integrity impact: High — total loss, or loss the attacker controls.
  • Availability impact: High — total loss, or loss the attacker controls.

Affected software

RLSA-2024:2396 is recorded against 1 package.

  • squashfs-tools (fixed in 0:4.4-10.git1.el9)

Timeline and source

Published on 7 May 2025 and last revised on 7 October 2025. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

errata.rockylinux.org (Advisory)
bugzilla.redhat.com (Report)
bugzilla.redhat.com (Report)

Other advisories for this package

squashfs-tools has other advisories on record. If you are patching this one, these are worth checking on the same host:

Details

Severity Unknown
CVSS Score N/A
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2025-05-07
Updated 2026-08-20
Modified 2025-10-07
Fix URL N/A

Affected Packages

Software From version Fixed in
squashfs-tools — 0:4.4-10.git1.el9

Similar Threats

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ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the vulnerabilities listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.

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