Dirty COW (CVE-2016-5195) is a privilege escalation vulnerability in the Linux Kernel. CVE-2016-5195 is the official reference to this bug.
Many times you may encounter huge traffic generating from/to your Linux server. You feel helpless as the bandwidth spike slows down your application and results in bad user experience.
BIND is open source software that implements the Domain Name System (DNS) protocols for the Internet. The name BIND stands for “Berkeley Internet Name Domain”, because the software originated in the early 1980s at the University of California at Berkeley.