maybe it has to do with CR3 register? https://patchwork.kernel.org/patch/1013883... | Hacker News

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slackingoff2017 on Jan 2, 2018 | parent | context | favorite | on: The mysterious case of the Linux Page Table Isolat...

maybe it has to do with CR3 register? https://patchwork.kernel.org/patch/10138835/

Edit: switched to link without AD cancer

bitexploder on Jan 3, 2018 [–]

I think they are just using the CR3 register to implement the fix. The actual side channel will be something a bit more esoteric.

Something like this: https://cyber.wtf/2017/07/28/negative-result-reading-kernel-...

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