Zenbleed – AMD Side-Channel Attack Targets Vectorised Functions

While AMD has historically enjoyed relative respite from side-channel attack publications, this past disparity was largely due to Intel’s processors being a more attractive research target, with a greater depth of information available around engineering features (e.g. red unlock) and internals (e.g. microcode structure), and a greater share of the server market at the time. In the five years since Meltdown and Spectre, researchers have been busy closing the knowledge gap around AMD’s processors, making it easier to discover impactful …

amd attack channel engineering features forensics functions information intel market microcode processors publications relative research server share side-channel side-channel attack target unlock zenbleed