CPU bug wars update: the latest attack against AMD CPUs just leaks memory access patterns. This is basically inherent in how caches work. It's not even a speculation attack. Intel still has the lead in designing CPUs that give up all their secrets *by design* in speculation.
Maybe the issue is you didn't read my original tweet closely enough? Intel *designed* their CPUs to do insane things *in speculation*. Their mistake was assuming that those things would never leave speculation.
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This is what you typed: "Intel still has the lead in designing CPUs that give up all their secrets *by design* in speculation." If that's not what you meant, well, I can't read minds. I'm just reacting to what you typed.
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Yes, see the *in speculation* part. Intel didn't design their CPUs to be insecure under a normal architectural view, the problem is they designed them to be explicitly insecure (probably with "performance"/"cost" arguments) **in speculation** and ignored the possibility of leaks.
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