Ubuntu Update for samba vulnerabilities USN-419-1

Summary
Ubuntu Update for Linux kernel vulnerabilities USN-419-1
Solution
Please Install the Updated Packages.
Insight
A flaw was discovered in Samba's file opening code, which in certain situations could lead to an endless loop, resulting in a denial of service. (CVE-2007-0452) A format string overflow was discovered in Samba's ACL handling on AFS shares. Remote users with access to an AFS share could create crafted filenames and execute arbitrary code with root privileges. (CVE-2007-0454)
Affected
samba vulnerabilities on Ubuntu 5.10 , Ubuntu 6.06 LTS , Ubuntu 6.10