Microsoft has just updated the following KB Article:
Description of Cumulative Update 1 for System Center 2012 R2 Configuration Manager Service Pack 1 and System Center 2012 Configuration Manager Service Pack 2
Summary
This article describes the issues that are fixed and the functionality that is updated in Cumulative Update 1 (CU1) for Microsoft System Center 2012 Configuration Manager Service Pack 2 (SP2) and System Center 2012 Configuration Manager R2 Service Pack 1 (SP1).
Note The same update file applies to both System Center 2012 Configuration Manager SP2 and System Center 2012 Configuration Manager R2 SP1.