System Center 2012 SP1 has shipped Update Rollup 5.
http://support.microsoft.com/kb/2904730/en-us
There are updates available for OpsMgr 2012 SP1, VMM 2012 SP1, Orchestrator 2012 SP1 and DPM 2012 SP1, in this release.
See the KB article for full details of each, with links to the individual updates and downloads.