C5X001 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:
C5S001 manifest for SAS Information Delivery Portal 4.4_M5
C5U001 manifest for SAS BI Portlets 4.4_M5