Reachable assertion in atop - CVE-2025-31160
Published: August 6, 2025
Vulnerability identifier: #VU113716
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-31160
CWE-ID: CWE-617
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Atoptool
Affected software:
atop
atop
Detailed vulnerability description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a reachable assertion. A local user can perform a denial of service attack by running certain types of unprivileged processes while a different user runs atop.
How to mitigate CVE-2025-31160
Install updates from vendor's website.
Sources
- http://www.openwall.com/lists/oss-security/2025/03/26/3
- http://www.openwall.com/lists/oss-security/2025/03/27/1
- http://www.openwall.com/lists/oss-security/2025/03/27/2
- http://www.openwall.com/lists/oss-security/2025/03/27/3
- http://www.openwall.com/lists/oss-security/2025/03/29/1
- https://blog.bismuth.sh/blog/bismuth-found-the-atop-bug
- https://github.com/Atoptool/atop
- https://lists.debian.org/debian-lts-announce/2025/04/msg00013.html
- https://news.ycombinator.com/item?id=43477057
- https://news.ycombinator.com/item?id=43485980
- https://rachelbythebay.com/w/2025/03/26/atop/