An update to the MPSS was released today. Users who are running Intel® MPSS 3.2-1 (released March 17 2014) or 3.2.1-1 (released April 10 2014) are strongly advised to update to this release, as it contains important security fixes.
https://software.intel.com/en-us/articles/intel-manycore-platform-software-stack-mpss