🛡️ CVE-2021-45417 on Ubuntu — aide

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

Description

AIDE before 0.17.4 allows local users to obtain root privileges via crafted file metadata (such as XFS extended attributes or tmpfs ACLs), because of a heap-based buffer overflow.

Distribution advisory

This page covers CVE-2021-45417 as tracked by Ubuntu, for the package aide. The fix is available in version 0.16.1-1ubuntu0.1; earlier versions remain affected.

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

Affected software

UBUNTU-CVE-2021-45417 is recorded against 1 package.

  • aide (fixed in 0.16.1-1ubuntu0.1)

Timeline and source

Published on 20 January 2022 and last revised on 4 February 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

ubuntu.com (Report)
www.ipi.fi (Report)
www.ipi.fi (Report)
ubuntu.com (Advisory)
ubuntu.com (Advisory)
www.cve.org (Report)

CVE-2021-45417 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Severity Unknown
CVSS Score N/A
CVSS Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2022-01-20
Updated 2026-08-12
Modified 2026-02-04
Fix URL N/A

Affected Packages

Software From version Fixed in
aide — 0.16.1-1ubuntu0.1

Similar Threats

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