If you talk about "how stupid Intel's engineers were a decade ago" re:CPU flaws on social media without an engineering background, I think you should be banned from Twitter until you read the Intel assembly manuals cover to cover. Either that or some similarly ironic punishment.
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Replying to @MalwareJake @halvarflake
Going to bite: you don't need to be an expert on details to know an entire class of design has a gaping flaw that the experts tacitly acknowledge (by failure to fix it) and should be scrapped if it can't be fixed.
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Does that mean we can have security-tagged CPU & memory architectures now?
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Not a solution. Every untaken branch is fundamentally a privilege boundary. You can't scale to that many tags.
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Not a solution, but increased attacker work factor can be a figure of merit.
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At best it increases wotk factor for some variants we mostly have solutions for. It doesn't help at all with ones we lack any solution for.
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