FreeBSD Security Advisory - From time to time Intel releases
new CPU microcode to address functional issues and security
vulnerabilities. Such a release is also known as a Micro Code
Update (MCU), and is a component of a broader Intel Platform Update
(IPU). FreeBSD distributes CPU microcode via the devcpu-data port
and package.
Read more https://packetstormsecurity.com/files/155281/FreeBSD-SA-19.26.mcu.txt

