Foreshadow returns to the foreground: Secrets-spilling speculative-execution Intel flaw lives on, say boffins

A misunderstanding about the vulnerability means defenses fall short

Some of the boffins who in 2018 disclosed the data-leaking speculative-execution flaws known as Spectre and Meltdown today contend that attempts to extinguish the Foreshadow variant have missed the mark....