| Name | CVE-2025-52992 |
| Description | The Nix, Lix, and Guix package managers fail to properly set permissions when a derivation build fails. This may allow arbitrary processes to modify the content of a store outside of the build sandbox. This affects Nix before 2.24.15, 2.26.4, 2.28.4, and 2.29.1; Lix before 2.91.2, 2.92.2, and 2.93.1; and Guix before 1.4.0-38.0e79d5b. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 1108318 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| guix (PTS) | bullseye | 1.2.0-4+deb11u2 | vulnerable |
| bullseye (security) | 1.2.0-4+deb11u3 | vulnerable | |
| bookworm, bookworm (security) | 1.4.0-3+deb12u2 | vulnerable | |
| sid, trixie | 1.4.0-9 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| guix | source | (unstable) | (unfixed) | 1108318 |
https://guix.gnu.org/en/blog/2025/privilege-escalation-vulnerabilities-2025/
https://codeberg.org/guix/guix/pulls/788
https://codeberg.org/guix/guix/commit/7173c2c0cad8afc9d8d1ad26f345b5a04f47716a
https://codeberg.org/guix/guix/commit/be8aca065118aa4485c02f991c51bea89034defa
https://codeberg.org/guix/guix/commit/fb42611b8f27960304db5a1c0d33b8371dcde2a8
https://codeberg.org/guix/guix/commit/c659f977bb09de6d5615e6aa9efddedc1d9ff458
https://codeberg.org/guix/guix/commit/0e79d5b6550729e6ce3bac1e979638ac054ba5a5
https://codeberg.org/guix/guix/commit/30a5d140aa5a789a362749d057754783fea83dde