SB2025080644 - Local denial of service in atop
Published: August 6, 2025
Security Bulletin ID
SB2025080644
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Reachable assertion (CVE-ID: CVE-2025-31160)
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.
Remediation
Install update from vendor's website.
References
- 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/