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Fed-up Torvalds suggests disabling AMD’s 'stupid' performance-killing fTPM RNG
(www.theregister.com)
this post was submitted on 01 Aug 2023
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TPM actually provides some useful components to isolate encryption outside of Ring 0, which is a trust win. But any technology must be weighted against its power to oppress.
And its power to make the system less secure. Isolating things outside ring 0 means malware can isolate itself outside ring 0 as well, and then it's impossible to detect or remove without throwing out the entire machine.
Which is much, much scarier than anything an ordinary rootkit might do.