CVE-2025-32438: Nixos Nixpkgs

High severity, CVSS 8.8. EPSS: 0.2% chance of exploitation in the next 30 days.

make-initrd-ng is a tool for copying binaries and their dependencies. Local privilege escalation affecting all NixOS users. With systemd.shutdownRamfs.enable enabled (the default) a local user is able to create a program that will be executed by root during shutdown. Patches exist for NixOS 24.11 and 25.05 / unstable. As a workaround, set systemd.shutdownRamfs.enable = false;.

Affected products

• Nixos Nixpkgs: before b17590193d8e5697000c23c66afcf11e1753734d (fixed in b17590193d8e5697000c23c66afcf11e1753734d); before fbf76bf72b161b9f4ab97704a8258776d5f3ffba (fixed in fbf76bf72b161b9f4ab97704a8258776d5f3ffba)

Published 2025-04-15. Last modified 2026-06-17.