5.6

CVE-2025-52993

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.
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerNixOS
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Produkt Nix
Default Statusunaffected
Version 0
Version < 2.24.15
Status affected
Version 2.25.0
Version < 2.26.4
Status affected
Version 2.27.0
Version < 2.28.4
Status affected
Version 2.29.0
Version < 2.29.1
Status affected
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.12% 0.018
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
cve@mitre.org 5.6 1.4 3.7
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L
CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

The product contains a concurrent code sequence that 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 operating concurrently.

https://guix.gnu.org/en/blog/2025/privilege-escalation-vulnerabilities-2025/
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://labs.snyk.io
https://security.snyk.io/vuln/?search=CVE-2025-52993
https://security-tracker.debian.org/tracker/CVE-2025-52993