AMD releases new AGESA firmware update to fix Zenbleed vulnerability affecting Zen 2 processors

News from this site on May 3, MSI today released the AMD AM4 AGESA 1.2.0.Ca firmware update, which fixes the Zenbleed security vulnerability in AMD Ryzen 4000 series Zen 2 APUs.

The firmware update released by MSI this time is suitable for almost all X570 motherboards. It mainly fixes CVE-2023-20593 for Zen 2 processors, which AMD classified A medium-level threat.

Note from this site: The vulnerability tracking number is CVE-2023-20593, which can steal confidential data at a speed of 30KB per core per second. This attack affects all software running on the CPU, including virtual machines, sandboxes, containers, and processes.

Although AGESA 1.2.0.Ca targets Ryzen 4000 "Renior" APUs, the threat exists in all Zen 2 processors.

AMD has patched this security vulnerability in Ryzen 3000 processors in previous AGESA microcode updates (1.2.0.C and 1.0.0.B) , now starting to correct the issues in the Ryzen 4000 series.

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