Study of the Dirty Copy on Write, a Linux Kernel memory allocation vulnerability

Dirty Copy on Write also known as Dirty COW is a Linux based server vulnerability. This vulnerability allows attackers to escalate the file system protection of Linux Kernel, get root privilege and thus compromise the whole system. Linux kernel version 2.6.22 and above are affected by this vulnerability. The patch for this vulnerability has been released very recently. Thus most of the Linux servers are still vulnerable to this attack. This study focuses on the techniques of Dirty COW vulnerability and its impact of the servers of newly emerged IT country such as Bangladesh.