You've posted this in the kernel forum - which is wrong. Newbie might be best.
Sorry, actually I was searching same kind of question and the last one I saw on this forum, so I also posted my question on here :-s
What does 'ls -l su' show?
-rwxrwxrwx 1 777 root 28336 Oct 31 2008 /bin/su
What does 'rpm -Va' show?
rpm -Va lists so many lines can't put here :-s
user adm: directory /var/adm does not exist
user news: directory /etc/news does not exist
user uucp: directory /var/spool/uucp does not exist
user gopher: directory /var/gopher does not exist
user pcap: directory /var/arpwatch does not exist
user avahi-autoipd: directory /var/lib/avahi-autoipd does not exist
user sabayon: directory /home/sabayon does not exist
pwck: no changes