Add support for CVE-2016-5195 (Dirty COW)

[sa7mon]

Example Go PoC here: https://github.com/mengzhuo/dirty-cow-golang

I may take a crack at this if I have some free time soon

[liamg]

Cool, that'd be awesome :)

I need to invest some time in adding more exploits too, but struggling to find any atm!