5.1.9 microcode_ctl failed early load check for "intel-06-4f-01"

During installation and while booting, an error similar to the following may appear in the system log:

dracut:    microcode_ctl: kernel version "4.14.35-1818.3.3.el7uek.x86_64"
failed early load check for "intel-06-4f-01", skipping

The Intel ucode 06-4f-01 file is incorrectly excluded from initramfs for boot-time microcode updates on some kernel versions. This affects certain Intel Xeon E5 v4 CPUs, one of the models formerly known as Broadwell. The Oracle Server X6-2 uses this CPU model. This message is harmless, provided that the BIOS is current for any system that is using this processor model, as the BIOS will perform the required update.

(Bug ID 28879995)