CVE-2024-38531
Publication date 28 June 2024
Last updated 25 June 2025
Ubuntu priority
Cvss 3 Severity Score
Nix is a package manager for Linux and other Unix systems that makes package management reliable and reproducible. A build process has access to and can change the permissions of the build directory. After creating a setuid binary in a globally accessible location, a malicious local user can assume the permissions of a Nix daemon worker and hijack all future builds. This issue was patched in version(s) 2.23.1, 2.22.2, 2.21.3, 2.20.7, 2.19.5 and 2.18.4.
Status
Package | Ubuntu Release | Status |
---|---|---|
nix | 25.04 plucky |
Not affected
|
24.10 oracular |
Vulnerable
|
|
24.04 LTS noble |
Vulnerable
|
|
22.04 LTS jammy |
Vulnerable
|
|
20.04 LTS focal | Not in release |
Severity score breakdown
Parameter | Value |
---|---|
Base score |
|
Attack vector | Local |
Attack complexity | High |
Privileges required | Low |
User interaction | None |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | Low |
Availability impact | Low |
Vector | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L |