Fedora 17 contains the ancient texlive 2007 release in the package database.
To use a unofficial texlive 2012 with your Fedora 17 installation you can follow the steps noted here: http://fedoraproject.org/wiki/Features/TeXLive.
sudo rpm -i http://jnovy.fedorapeople.org/texlive/2012/packages.fc17/texlive-release.noarch.rpm
sudo yum update