[Clang O3]

Linux localhost.localdomain 2.6.32-431.el6.x86_64 #1 SMP Fri Nov 22 03:15:09 UTC 2013 x86_64

cat /etc/*-release : CentOS release 6.5 (Final)

Does CentOS 7+ exploits will also work for Local Privilege Escalation? I know it's upto its bug, but seems like mostly doesn't work. BTW I am trying to localroot without Back connect using PHP, C++.

[Insurmountable]

You could try this: h t t p s://exploit-db.com/exploits/25444/
It's for kernel v2.6.32

[OGLIA]

Download it,
arabsh.com/files/0c34414f61fb/local-root-2-6-32-2013-rar.html

Goodluck :)