Summary
It was discovered that cifs-utils incorrectly dropped root privileges
before looking up user information. A local attacker could possibly use
this issue to execute arbitrary code as the root user.
Fixed packages 4
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · 22.04 LTS 22.04:LTS | cifs-utils | 2:6.14-1ubuntu0.4 |
| Ubuntu · 24.04 LTS 24.04:LTS | cifs-utils | 2:7.0-2ubuntu0.3 |
| Ubuntu · 25.10 | cifs-utils | 2:7.4-1ubuntu0.25.10.1 |
| Ubuntu · 26.04 LTS 26.04:LTS | cifs-utils | 2:7.4-1ubuntu0.26.04.1 |
References
-
report
https://ubuntu.com/security/CVE-2026-12505