AMD has shared details about a Spectre Variant 2 vulnerability that affects almost all AMD Ryzen, Athlon, and EPYC systems. The security flaw is patched in the latest Patch Tuesday updates.
Cve-2017-5715 RSS
Intel and ARM are vulnerable to the Spectre-BHB flaw, but AMD is apparently troubled by Spectre v2, which it should have fixed back in 2018. AMD has now issued a new fix for the CVE-2017-5715 bug.