CVE-2025-52993

MEDIUM EPSS 1.8%

Published Jun 27, 20251y ago · Modified Jun 17, 20262w ago

5.6 CVSS 3.1

Medium

Published Jun 27, 2025 1y ago

Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score

5.6

Exploitability

1.4

Impact

3.7

Vector string

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

Attack Vector Local

Attack Complexity High

Privileges Required None

User Interaction None

Scope Changed

Confidentiality Low

Integrity Low

Availability Low

Threat Intelligence

EPSS Exploit Probability

1.8% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-362

References 6

discourse.nixos.org https://discourse.nixos.org/t/security-advisory-privilege-escalations-in-nix-lix-and-guix/66017
guix.gnu.org https://guix.gnu.org/en/blog/2025/privilege-escalation-vulnerabilities-2025/
labs.snyk.io https://labs.snyk.io
lix.systems https://lix.systems/blog/2025-06-24-lix-cves/
security-tracker.debian.org https://security-tracker.debian.org/tracker/CVE-2025-52993
security.snyk.io https://security.snyk.io/vuln/?search=CVE-2025-52993

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.