USN-1256-1: Linux kernel (Natty backport) vulnerabilities

It was discovered that the /proc filesystem did not correctly handle permission changes when programs executed. A local attacker could hold open files to examine details about programs running with higher privileges, potentially increasing the chances of exploiting additional vulnerabilities...

kernel: netns vs proto registration ordering

The tunnels implementation in the Linux kernel before 2.6.34, when tunnel functionality is configured as a module, allows remote attackers to cause a denial of service OOPS by sending a packet during module loading...