AMD Patches Zenbleed Vulnerability with AGESA 1.2.0.Ca Update

AMD classified the Zenbleed vulnerability, CVE-2023-20593, as a medium-level threat about a year ago. AMD has acknowledged that it could potentially allow an attacker to access sensitive information under certain microarchitectural circumstances. Today, MSI has released new BIOS updates featuring AMD's AM4 AGESA 1.2.0.Ca firmware update. This update addresses the Zenbleed vulnerability affecting AMD's Ryzen 4000 series Zen 2 APUs. MSI is proactively rolling out the new BIOS updates across its range of compatible motherboards. The updates are currently available for almost all X570 motherboards, with support for other chipsets and 400 series motherboards expected to follow soon.