Service announcement - 30 April 2026 Security vulnerability in Linux

A vulnerability affecting all Linux distributions has been discovered. This allows users with an account on affected machines to gain unauthorised administrator privileges. Multi-user machines are particularly at risk. Further information is available at

https://www.cve.org/CVERecord?id=CVE-2026-31431

Possible updates can be found using the keyword copy.fail. Linux distributions are in the process of publishing appropriate fixes/workarounds. If this applies to your own distribution, the recommendation is to disable the relevant services for the time being.