SQL Server 2012 RTM CU5 released. Build #11.0.2395.0
Most of the SQL 2012 fixes are for SSRS, SS MDX Queries, etc. But another interesting fix around memory leak in SQL, issue is with memory clerk MEMORYCLERK_SQLLOGPOOL. You can read the details here.
Patch can be downloaded from KB2777772, Link.
PS It was released in December 2012, however I been lazy to get around to posting my bad.