L1K004 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:
I8E018 manifest for SAS Threaded Kernel Core Routines 9.4_M7
L1J004 manifest for SAS/SECURE 9.41_M4
L6S001 manifest for SAS/SECURE Toolkit Libraries from RSA (R) 9.41_M4