AMD discloses slew of high severity security vulnerabilities that attacks BIOS chips on Zen systems — updates aren't available for all chips, finally a fix Zenbleed
by mc@matthewconnatser.net (Matthew Connatser) from Tomshardware on (#6JMCP)
Zen-based CPUs are vulnerable to four newly disclosed bugs, according to AMD, and you'll need to update your BIOS to become secure.