CVE-2007-2444: Canonical Ubuntu Linux

High severity, CVSS 7.2. EPSS: 0.8% chance of exploitation in the next 30 days.

Logic error in the SID/Name translation functionality in smbd in Samba 3.0.23d through 3.0.25pre2 allows local users to gain temporary privileges and execute SMB/CIFS protocol operations via unspecified vectors that cause the daemon to transition to the root user.

Affected products

• Canonical Ubuntu Linux: version 6.06 only; version 6.10 only; version 7.04 only
• Debian Debian Linux: version 4.0 only; version 5.0 only
• Samba Samba: version 3.0.23d only; version 3.0.24 only; version 3.0.25 only

Published 2007-05-14. Last modified 2026-06-16.