Spectres, virtual ghosts, and hardware support
Xiaowan Dong, Zhuojia Shen, John Criswell, Alan L. Cox, Sandhya Dwarkadas · 2018
Side-channel attacks, such as Spectre and Meltdown, that leverage speculative execution pose a serious threat to computing systems. Worse yet, such attacks can be perpetrated by compromised operating system (OS) kernels to bypass defenses that protect applications from the OS kernel.