Hi
I would guess it's the L1 Terminal fault, meltdown etc issues

More here: https://www.suse.com/c/suse-addresse...l-fault-issue/

Ref: https://www.suse.com/support/kb/doc/?id=7023077
Ref: https://www.suse.com/support/kb/doc/?id=7023078

You can see patch details with zypper

Code:
zypper if -t patch SUSE-SLE-SERVER-12-SP3-2018-1573 SUSE-SLE-SERVER-12-SP3-2018-1656