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Translation Leak-Aside Buffer: Defeating Cache Side-Channel Protections [pdf]

vusec.net

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Re: Translation Leak-Aside Buffer: Defeating Cache Side-Channel Protections [pdf]

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Post by notaplumber »

This is TLBleed - the reason OpenBSD disabled SMT (HyperThreading).

Overview from security researchers: https://www.vusec.net/projects/tlbleed/

Previous discussions:

https://news.ycombinator.com/item?id=17389377

https://news.ycombinator.com/item?id=17350278

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