CVE-2025-52993
- State
- Published
- Severity
- 5.6 Medium
- Published
- Jun 27, 2025
- Updated
- Jun 27, 2025
- Reserved
- Jun 23, 2025
Description
A race condition in the Nix, Lix, and Guix package managers enables changing the ownership of arbitrary files to the UID and GID of the build user (e.g., nixbld* or guixbuild*). 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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 5.6 Medium | CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L | mitre |
Weaknesses
- CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
Affected Products
| Product | Versions |
|---|---|
NixNixOS |
|
References
- https://discourse.nixos.org/t/security-advisory-privilege-escalations-in-nix-lix-and-guix/66017
- https://lix.systems/blog/2025-06-24-lix-cves/
- https://guix.gnu.org/en/blog/2025/privilege-escalation-vulnerabilities-2025/
- https://labs.snyk.io/
- https://security.snyk.io/vuln/?search=CVE-2025-52993
- https://security-tracker.debian.org/tracker/CVE-2025-52993
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