The open-source Linux operating system contains a serious security flaw that can be exploited to gain superuser rights on a target system. The vulnerability, in the Linux implementation of the Reliable Datagram Sockets (RDS) protocol, affects unpatched versions of the Linux kernel, starting from 2.6.30, where the RDS protocol was first included
https://threatpost.com/en_us/blogs/linux-kernel-flaw-coughs-root-rights-102110
