U88004 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:
U87004 manifest for SAS Scalable Performance Data Client 5.2
W18002 manifest for SAS Threaded Kernel Drivers for Scalable Performance Data 5.2