I think there's two seperate branded annoucemenst of three or four different vulnerabilities depending on how you count. (There are four CVEs and Intel lists fo

I think there's two seperate branded annoucemenst of three or four different vulnerabilities depending on how you count. (There are four CVEs and Intel lists four, but the researchers announced three.) Haven't seen much discussion of the specific differences between them, probably because they're subtle and not terribly relevant to most folks - they all involve one process speculatively reading memory it shouldn't be able to access via the memory access buffers within Intel CPUs, they just vary in which parts of the memory access machinery they use and how exactly they're exploited.