Linux OS are regularly updated by OS vendors and kmod rpm's provides updated DCS Agent drivers to cover the new kernel requirements.
You require clarification for kmod package backward compatibility and dependencies on OS version and kernel.
Data Center Security Server Advance (DCS) 6.8.x and above
DCS 6.8 MP2 sdcss-kmod-10.0.0-620.el8.x86_64 supports RHEL 8.2 and all older releases of RHEL 8.x
DCS 6.8 MP2 sdcss-kmod-10.0.0-680.el7.x86_64 supports RHEL 7.9 and all older releases of RHEL 7.x
DCS yum repository will allow to download the latest version of the kmod package.
Note: In order to download a specific KMOD via the previous URL just pass the name into the URL after a forward slash and it will download the specified file