What is CVE-2025-32438?

CVE-2025-32438 is a high-severity vulnerability in Nixos Nixpkgs, classified under Creation of Temporary File With Insecure Permissions. CVSS score: 8.8/10. Published 2025-04-15.

How severe is CVE-2025-32438?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Nixos Nixpkgs

CVE-2025-32438

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 execu…

EPSS: 0.001 (29.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

Nixos Nixpkgs — versions < b17590193d8e5697000c23c66afcf11e1753734d, < fbf76bf72b161b9f4ab97704a8258776d5f3ffba

Weakness classification (CWE)

References

https://github.com/NixOS/nixpkgs/security/advisories/GHSA-m7pq-h9p4-8rr4 (x_refsource_CONFIRM)
https://github.com/NixOS/nixpkgs/commit/b17590193d8e5697000c23c66afcf11e1753734d (x_refsource_MISC)
https://github.com/NixOS/nixpkgs/commit/fbf76bf72b161b9f4ab97704a8258776d5f3ffba (x_refsource_MISC)

Frequently asked questions

What is CVE-2025-32438?: CVE-2025-32438 is a high-severity vulnerability in Nixos Nixpkgs, classified under Creation of Temporary File With Insecure Permissions. CVSS score: 8.8/10. Published 2025-04-15.
How severe is CVE-2025-32438?: High severity. CVSS v3 base score is 8.8 out of 10.