Tom's Hardware reports they received an e-mail from CTS Labs, which expressed concern about the lack of updates from AMD regarding these bugs. In a formal response, AMD replied that patches for all of the vulnerabilities identified by CTS Labs are in final testing:
Within approximately 30 days of being notified by CTS Labs, AMD released patches to our ecosystem partners mitigating all of the CTS identified vulnerabilities on our EPYC™ platform as well as patches mitigating Chimera across all AMD platforms. These patches are in final testing with our ecosystem partners in advance of being released publicly. We remain on track to begin releasing patches to our ecosystem partners for the other products identified in the report this month. We expect these patches to be released publicly as our ecosystem partners complete their validation work.