Ubuntu Update for dhcp3 vulnerability USN-1108-1

Summary
Ubuntu Update for Linux kernel vulnerabilities USN-1108-1
Solution
Please Install the Updated Packages.
Insight
Sebastian Krahmer discovered that the dhclient utility incorrectly filtered crafted responses. An attacker could use this flaw with a malicious DHCP server to execute arbitrary code, resulting in root privilege escalation.
Affected
dhcp3 vulnerability on Ubuntu 6.06 LTS , Ubuntu 8.04 LTS , Ubuntu 9.10 , Ubuntu 10.04 LTS , Ubuntu 10.10