Many SAP system use Linux as operating system.
It is important that you check you run a supported combination of Linux OS, database and application.
SAP HANA OS support
For SAP HANA database, the master note is 2235581 – SAP HANA: Supported Operating Systems. This note contains the references to all the version specific OSS notes.
Checking kernel and LINUX version in SAP system
To check your kernel and LINUX version, go to System Status and then open the Other Kernel Info button:
Another option is to run function module TH_SAPREL3 in SE37:
Translating the version
You have to use the RedHat or SUSE site to translate the kernel number into the LINUX OS version.
So RedHat version 8.7.