USN-8773-1: GNU Guix vulnerability

Publication date

16 September 2026

Overview

GNU Guix could be made to run programs as an administrator.


Packages

  • guix - package manager for GNU/Linux systems

Details

It was discovered that GNU Guix incorrectly made build outputs accessible
to local users before their file metadata was finalized. A local attacker
could possibly use this issue to gain elevated privileges.

It was discovered that GNU Guix incorrectly made build outputs accessible
to local users before their file metadata was finalized. A local attacker
could possibly use this issue to gain elevated privileges.

Update instructions

After a standard system update you need to restart guix-daemon to make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
24.04 LTS noble guix –  1.4.0-6ubuntu0.1~esm1  
22.04 LTS jammy guix –  1.3.0-4ubuntu0.1~esm1  

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