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Fedora 42 nix 2.31.5 High Local Privilege Escalation Patch 2026-3cfb30c1fb

fedora
Calendar Grey May 14, 2026
Dist Fedora Esm H88
Critical update for Fedora 42 nix 2.31.5 resolves high and moderate-level security flaws enhancing system integrity.
update to 2.31.5: fixes high GHSA-vh5x-56v6-4368 and moderate GHSA- gr92-w2r5-qw5p https://discourse.nixos.org/t/security-advisory-local-privilege-escalation-in- lix-and-nix/77407 ...

Summary

Nix is a purely functional package manager.

It allows multiple versions of a package to be installed side-by-side,

ensures that dependency specifications are complete,

supports atomic upgrades and rollbacks,

allows non-root users to install software, and has many other features.

It is the basis of the NixOS Linux distribution,

but it can be used equally well under other Unix systems.

See the README.fedora.md file for setup instructions.

Update Information:

update to 2.31.5: fixes high GHSA-vh5x-56v6-4368 and moderate GHSA- gr92-w2r5-qw5p https://discourse.nixos.org/t/security-advisory-local-privilege-escalation-in- lix-and-nix/77407 https://github.com/NixOS/nix/security/advisories/GHSA-vh5x-56v6-4368

Change Log

* Tue May 5 2026 Jens Petersen - 2.31.5-1 - update to 2.31.5: fixes GHSA-vh5x-56v6-4368 - https://discourse.nixos.org/t/security-advisory-local-privilege- escalation-in-lix-and-nix/77407 - https://github.com/NixOS/nix/security/advisories/GHSA-vh5x-56v6-4368

References

Fedora Update Notification FEDORA-2026-3cfb30c1fb 2026-05-14 04:02:29.141254+00:00 Name : nix Product : Fedora 42 Version : 2.31.5 Release : 1.fc42 URL : https://github.com/NixOS/nix Summary : A purely functional package manager Description : Nix is a purely functional package manager. It allows multiple versions of a package to be installed side-by-side, ensures that dependency specifications are complete, supports atomic upgrades and rollbacks, allows non-root users to install software, and has many other features. It is the basis of the NixOS Linux distribution, but it can be used equally well under other Unix systems. See the README.fedora.md file for setup instructions.

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-3cfb30c1fb' at the command line. For more information, refer to the dnf documentation available at http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

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Name: nix
Product: Fedora 42
Version: 2.31.5
Release: 1.fc42
Summary: A purely functional package manager

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