From what I can see, there's no IEEEconf.cls in texlive-texmf-latex, nor in any other package. This is quite a pain if you'd like to write a scientific paper. I think opensuse keeps it in texlive-texmf-latex, ubuntu/debian keep texlive-texmf-publishers.
This bug appears to have been reported against 'rawhide' during the Fedora 11 development cycle. Changing version to '11'. More information and reason for this action is here: http://fedoraproject.org/wiki/BugZappers/HouseKeeping
texlive-texmf-2007-34.fc10 has been submitted as an update for Fedora 10. http://admin.fedoraproject.org/updates/texlive-texmf-2007-34.fc10
texlive-texmf-2007-34.fc12 has been submitted as an update for Fedora 12. http://admin.fedoraproject.org/updates/texlive-texmf-2007-34.fc12
texlive-texmf-2007-34.fc11 has been submitted as an update for Fedora 11. http://admin.fedoraproject.org/updates/texlive-texmf-2007-34.fc11
texlive-texmf-2007-34.fc11 has been pushed to the Fedora 11 testing repository. If problems still persist, please make note of it in this bug report. If you want to test the update, you can install it with su -c 'yum --enablerepo=updates-testing update texlive-texmf'. You can provide feedback for this update here: http://admin.fedoraproject.org/updates/F11/FEDORA-2009-12902
texlive-texmf-2007-34.fc10 has been pushed to the Fedora 10 testing repository. If problems still persist, please make note of it in this bug report. If you want to test the update, you can install it with su -c 'yum --enablerepo=updates-testing update texlive-texmf'. You can provide feedback for this update here: http://admin.fedoraproject.org/updates/F10/FEDORA-2009-12904
texlive-texmf-2007-34.fc12 has been pushed to the Fedora 12 testing repository. If problems still persist, please make note of it in this bug report. If you want to test the update, you can install it with su -c 'yum --enablerepo=updates-testing update texlive-texmf'. You can provide feedback for this update here: http://admin.fedoraproject.org/updates/F12/FEDORA-2009-12916
texlive-texmf-2007-34.fc11 has been pushed to the Fedora 11 stable repository. If problems still persist, please make note of it in this bug report.
texlive-texmf-2007-34.fc12 has been pushed to the Fedora 12 stable repository. If problems still persist, please make note of it in this bug report.