3 papers
SPECCFI: Mitigating Spectre Attacks using CFI Informed Speculation
Esmaeil Mohammadian Koruyeh, Shirin Haji Amin Shirazi, Khaled N. Khasawneh +2
Spectre attacks and their many subsequent variants are a new vulnerability class affecting modern CPUs. The attacks rely on the ability to misguide speculative execution, generally…
Spectre Returns! Speculation Attacks using the Return Stack Buffer
Esmaeil Mohammadian Koruyeh, Khaled Khasawneh, Chengyu Song +1
The recent Spectre attacks exploit speculative execution, a pervasively used feature of modern microprocessors, to allow the exfiltration of sensitive data across protection bounda…
SafeSpec: Banishing the Spectre of a Meltdown with Leakage-Free Speculation
Khaled N. Khasawneh, Esmaeil Mohammadian Koruyeh, Chengyu Song +3
Speculative execution which is used pervasively in modern CPUs can leave side effects in the processor caches and other structures even when the speculated instructions do not comm…