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Sébastien Marie @semarie

vulnerability: Exploiting lazy FPU state switching

Earlier this year, Julian Stecklina (Amazon) and Thomas Prescher (Cyberus Technology) jointly discovered and responsibly disclosed another vulnerability that might be part of these, and we call it LazyFP. LazyFP (CVE-2018-3665) is an attack targeting operating systems that use lazy FPU switching. This article describes what this attack means, outlines how it can be mitigated and how it actually works.


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