Ubuntu Update for keystone USN-1830-1

Solution
Please Install the Updated Packages.
Insight
Sam Stoelinga discovered that Keystone would not immediately invalidate tokens when deleting users via the v2 API. A deleted user would be able to continue to use resources until the token lifetime expired.
Affected
keystone on Ubuntu 13.04 , Ubuntu 12.10 , Ubuntu 12.04 LTS
References