Ubuntu Update for aptdaemon USN-1666-1

Summary
Ubuntu Update for Linux kernel vulnerabilities USN-1666-1
Solution
Please Install the Updated Packages.
Insight
It was discovered that Aptdaemon incorrectly validated PPA GPG keys when importing from a keyserver. If a remote attacker were able to perform a man-in-the-middle attack, this flaw could be exploited to install altered package repository GPG keys.
Affected
aptdaemon on Ubuntu 12.04 LTS , Ubuntu 11.10
References