Ubuntu Update for linux-ec2 USN-1597-1

Summary
Ubuntu Update for Linux kernel vulnerabilities USN-1597-1
Solution
Please Install the Updated Packages.
Insight
A flaw was found in how the Linux kernel passed the replacement session keyring to a child process. An unprivileged local user could exploit this flaw to cause a denial of service (panic).
Affected
linux-ec2 on Ubuntu 10.04 LTS