no fix yet, I'll have time to look into the matter over the next two weeks, but it looks as though SElinux blocks XAMPP because it is not running PHP or Apache etc... with httpd and so on, so for I've been setting SElinux as passive everytime my server restarts.
http://www.nsa.gov/selinux/papers/policy2/x750.html <--this is a link to what I have to do, I am not sure if Apachefriends is pursuing a talk with SElinux to "registar" XAMPP as an option to allow as you can do with httpd ...I'm not even sure if I am speaking all of this properly.