CVE-2025-52993

Published: Jun 27, 2025Modified: Jun 17, 2026Deferred

5.6

Vector

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

Exploitability: 1.4 / Impact: 3.7

Source: MITRE (Secondary)

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.

Related CWEs

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently.

References (6)

https://discourse.nixos.org/t/security-advisory-privilege-escalations-in-nix-lix-and-guix/66017

Source: cve@mitre.org

https://guix.gnu.org/en/blog/2025/privilege-escalation-vulnerabilities-2025/

Source: cve@mitre.org

https://labs.snyk.io

Source: cve@mitre.org

https://lix.systems/blog/2025-06-24-lix-cves/

Source: cve@mitre.org

https://security-tracker.debian.org/tracker/CVE-2025-52993

Source: cve@mitre.org

https://security.snyk.io/vuln/?search=CVE-2025-52993

Source: cve@mitre.org

Timeline

No history available yet.