CVE-2013-4270
The net_ctl_permissions function in net/sysctl_net.c in the Linux kernel before 3.11.5 does not properly determine uid and gid values, which allows local users to bypass intended /proc/sys/net restrictions via a crafted application.
Date published : 2013-12-09
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.11.5