Ubuntu Update for Linux kernel vulnerabilities USN-1065-1

Please Install the Updated Packages.

Kees Cook discovered that some shadow utilities did not correctly validate user input. A local attacker could exploit this flaw to inject newlines into the /etc/passwd file. If the system was configured to use NIS, this could lead to existing NIS groups or users gaining or losing access to the system, resulting in a denial of service or unauthorized access.

shadow vulnerability on Ubuntu 9.10 , Ubuntu 10.04 LTS , Ubuntu 10.10