This article explores the conditions for triggering "Zenbleed" (CVE-2023-20593).

This is the second part of my exploration into branch prediction and speculation in the Zen 2 microarchitecture, where we look at the behavior of unconditional direct branches and continue digging into details about the branch predictor.

This is the first part of my exploration into branch prediction and speculation in the Zen 2 microarchitecture, where I introduce a lot of context and present some tests with conditional branches.