Ubuntu Update for krb5 USN-1290-1

Summary
Ubuntu Update for Linux kernel vulnerabilities USN-1290-1
Solution
Please Install the Updated Packages.
Insight
Simo Sorce discovered that a NULL pointer dereference existed in the Kerberos Key Distribution Center (KDC). An authenticated remote attacker could use this to cause a denial of service.
Affected
krb5 on Ubuntu 11.10