0007130: 5 updates found, but reports as incompatible

I checked for updates, system found 5 as follows:<br /> Firefox (updatring from 23.0.1-1.el6.centos to 24.5.0.4.el6.centos<br /> NetworkManager<br /> kernel-firmware<br /> perl-CGI<br /> <br /> all attempts to install all updates have failed with instructions to report bugs to this site as follows:<br /> ERROR with rpm_check_debug vs depsolve:<br /> udev is needed by NetworkManager-1:0.8.1-66.el6.i686<br /> please report this error at <a href="http://bugs.centos.org/set_project.php?project_id=16&ref=http://bugs.centos.org/bug_report_page.php?category=yum">http://bugs.centos.org/set_project.php?project_id=16&ref=http://bugs.centos.org/bug_report_page.php?category=yum</a> [<a href="http://bugs.centos.org/set_project.php?project_id=16&ref=http://bugs.centos.org/bug_report_page.php?category=yum" target="_blank">^</a>]