New Intel cpu bug?https://twitter.com/iximeow/status/993995509151879170 …
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what aspect of it? not checking permissions on memory you're speculatively accessing, sure. generally, timing side-channels because you can massage the pipeline, though?
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Meltdown is "not checking permissions". It's a clear bug. Spectre is a flaw in the whole concept of speculative execution. My take on that is that, without advanced mitigation, implementing a cpu using speculation is a bug.
End of conversation
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