AMD Ryzen CPUs based on Zen 4 and older can now be "jailbroken"
If you have an older AMD Ryzen CPU, you can possibly play around with it thanks to a new "jailbreak"

If you have an older AMD Ryzen CPU based on the Zen 1 through to Zen 4 architecture, your CPU can now be "jailbroken." This is thanks to an exploit that allows users to write their own microcode for those affected CPUs,