P5M001 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:
P5L001 manifest for Base SAS Statistical threaded kernel extensions 15.3
P5K001 manifest for SAS Threaded Kernel Extensions for Statistics 15.3