The latest generations of Intel processors, including Xeon chips, and AMD’s older Zen 1, Zen 1+, and Zen 2 microarchitectures on Linux are vulnerable to new speculative execution attacks that bypass existing ‘Spectre’ mitigations. […]
from https://www.bleepingcomputer.com/news/security/intel-amd-cpus-on-linux-impacted-by-newly-disclosed-spectre-bypass/