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General Discussions

2 New AMD Side Channel Attacks Discovered, Impacts Zen Architecture

AMD has known about this since August of last year, and hasn't responded. Given how Zen 3 is supposed to be a completely new design, not a revision of Zen 2, and given this was disclosed to AMD last year, it's quite possible it will be hardware mitigated, but that's of little comfort to all the people who bought Zen 2 based EPYCs...

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No real surprise that CPU faults are abundant. I gave up on tracking them as there are too many to count.

I suspect a BIOS update has taken care of the problem. Being cynical however it probably needs Chrome to secure the bug with some changes in the code.