It took AMD more than one week to fully assess the CTS Labs report regarding 13 vulnerabilities found in all Ryzen and EPYC processors, but at least AMD's official position dismisses any claims that these vulnerabilities are critical and need immediate action. According to AMD, these exploits are to be fixed with simple firmware updates released through new BIOS versions in the coming weeks.
https://www.notebookcheck.net/AMD-acknowledges-CTS-Labs-exploits-will-fix-them-in-the-next-weeks.290274.0.html