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.

CVSS v3.1 Score

3.2

LOW

CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N

Weakness Type (CWE)

CWE-732 CWE-732

References

Other 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

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 3.2 (LOW).

How severe is CVE-2025-52992? +

CVE-2025-52992 has a CVSS v3.1 score of 3.2 out of 10, rated LOW. This is a low-severity vulnerability with limited impact.

How do I check if I'm vulnerable to CVE-2025-52992? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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