https://bugzilla.redhat.com/show_bug.cgi?id=1238804
--- Comment #5 from Harald Reindl h.reindl@thelounge.net --- PIE is one thing
Full RELRO is another one http://tk-blog.blogspot.co.at/2009/02/relro-not-so-well-known-memory.html
[root@localhost:~]$ hardening-check /usr/bin/perl /usr/bin/perl: Position Independent Executable: no, normal executable! Stack protected: no, not found! Fortify Source functions: unknown, no protectable libc functions used Read-only relocations: yes Immediate binding: no, not found!