R84012 is a "container" hot fix that contains "member" hot fixes which will update your SAS software components.
See "What is a container hot fix?" in the SAS Hot Fix FAQ for more information on container and member hot fixes.
A manifest listing the contents of each of the following "member" hot fixes is available:
R79008 manifest for Threaded Kernel IOM 9.4_M2
T06006 manifest for Threaded Kernel Metadata Component 9.4_M2
S77004 manifest for SAS Integration Technologies 9.4_M2