This class of attacks is not new. Spectre demonstrated this possibility in 2018, and Apple was previously targeted by speculation attacks, e.g. https://gofetch.

This class of attacks is not new. Spectre demonstrated this possibility in 2018, and Apple was previously targeted by speculation attacks, e.g. https://gofetch.fail/ https://gofetch.fail/ or https://ileakage.com/ https://ileakage.com/.