Joanna Rutkowska

@rootkovska ↗

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Last Checked March 11, 2019

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Mon Jun 12 08:17:51 +0000 2017

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Joanna Rutkowska @rootkovska

Normally this is not a problem, since GPU often part of the CPU package, so need to be trusted anyway. However... — PolitiTweet.org

Posted June 12, 2017

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Joanna Rutkowska @rootkovska

But to be fair: only Qubes 4.1 (i.e. when we introduce full GUI domain) will be protected against DMA from malicious GPU devices. — PolitiTweet.org

Posted June 12, 2017

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Joanna Rutkowska @rootkovska

But attackers might exploit DP to force GPU to DMA? And proper way to cut this is via GUIdom, not by disabling DMA on lock screen, IMHO. — PolitiTweet.org

Posted June 12, 2017