CVE-2025-14104
Published: December 6, 2025Last modified: December 23, 2025
Description
A flaw was found in util-linux. This vulnerability allows a heap buffer overread when processing 256-byte usernames, specifically within the `setpwnam()` function, affecting SUID (Set User ID) login-utils utilities writing to the password database.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 6.1 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | LOW |
| Integrity impact | NONE |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | util-linux | Fixed (2.38.1-r5) |
| 25 LTS | util-linux | Fixed (2.41-r7) | |
| Stream | util-linux | Fixed (2.41.2-r1) | |
| Hardened Containers | 23 LTS | util-linux | Fixed (2.38.1-r5) |
| 25 LTS | util-linux | Fixed (2.41-r7) | |
| Stream | util-linux | Fixed (2.41.2-r1) |