Ref :http://www.h-online.com/security/Red-Hat-Novell-and-CentOS-update-for-kernel-vulnerability-Update–/news/114072
Google security specialists Tavis Ormandy and Julien Tiennes report that a critical security vulnerability in the Linux kernel affects all versions of 2.4 and 2.6 since 2001, on all architectures. The vulnerability enables users with limited rights to get root rights on the system. The cause is a NULL pointer dereference in connection with [...]