CVE-2025-59378
Guix-daemon Setuid Privilege Escalation Vulnerability
Description
In guix-daemon in GNU Guix before 1618ca7, a content-addressed-mirrors file can be written to create a setuid program that allows a regular user to gain the privileges of the build user that runs it (even after the build has ended).
INFO
Published Date :
Sept. 15, 2025, 6:15 a.m.
Last Modified :
Sept. 15, 2025, 6:15 a.m.
Remotely Exploit :
No
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update guix-daemon to the latest version.
- Apply security patches provided by the vendor.
- Review file permissions and ownership.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-59378.
| URL | Resource |
|---|---|
| https://codeberg.org/guix/guix/commit/1618ca7aa2ee8b6519ee9fd0b965e15eca2bfe45 | |
| https://guix.gnu.org/en/blog/2025/privilege-escalation-vulnerability-2025-2/ |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-59378 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-59378
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-59378 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-59378 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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New CVE Received by [email protected]
Sep. 15, 2025
Action Type Old Value New Value Added Description In guix-daemon in GNU Guix before 1618ca7, a content-addressed-mirrors file can be written to create a setuid program that allows a regular user to gain the privileges of the build user that runs it (even after the build has ended). Added CVSS V3.1 AV:L/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N Added CWE CWE-669 Added Reference https://codeberg.org/guix/guix/commit/1618ca7aa2ee8b6519ee9fd0b965e15eca2bfe45 Added Reference https://guix.gnu.org/en/blog/2025/privilege-escalation-vulnerability-2025-2/