AMD Ryzen processor are suffering of Zenbleed or their Intel equivalent of Spectre
The very same reason that technology is a fascinating and stressful world at the same time is that there is always a security compromise and MOST OF THEM are made unwillingly due to brewing some advances, development method, etc.
Unfortunately, AMD is not immune to that and we got kind of a deja-vu with the Intel Spectre and Meltdown saga that plagued computing and industry in the past decade....