CVE-2025-52992

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
3.2 LOW
LOCAL
HIGH
NONE
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N
mitreCNA
3.2 LOW
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N
CISA-ADPADP
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Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 1%
Debian logo
Debian Releases
Debian Product
Codename
guix
bullseye
vulnerable
bullseye (security)
vulnerable
sid
vulnerable
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
guix
plucky
needs-triage
oracular
ignored
noble
needs-triage
jammy
needs-triage
Common Weakness Enumeration
References
https://discourse.nixos.org/t/security-advisory-privilege-escalations-in-nix-lix-and-guix/66017
https://guix.gnu.org/en/blog/2025/privilege-escalation-vulnerabilities-2025/
https://labs.snyk.io
https://lix.systems/blog/2025-06-24-lix-cves/
https://security-tracker.debian.org/tracker/CVE-2025-52992
https://security.snyk.io/vuln/?search=CVE-2025-52992