Ubuntu Update for xorg-server USN-1803-1

Solution
Please Install the Updated Packages.
Insight
It was discovered that the X.Org X server did not properly clear input events in certain circumstances. A local attacker with physical access could use this flaw to capture keystrokes.
Affected
xorg-server on Ubuntu 12.10 , Ubuntu 12.04 LTS , Ubuntu 11.10 , Ubuntu 10.04 LTS
References