K4R001 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:
K4Q001 manifest for SAS/ACCESS Interface to MongoDB 9.42
I8W003 manifest for SAS Threaded Kernel Extension for MongoDB 9.42