Chengyu Song

SafeSpec: Banishing the Spectre of a Meltdown with Leakage-Free Speculation

2018 · arXiv (Cornell University)

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 commit and their direct effect is not visible. …

GAMA: Generative Adversarial Multi-Object Scene Attacks

2022 · arXiv (Cornell University)

The majority of methods for crafting adversarial attacks have focused on scenes with a single dominant object (e.g., images from ImageNet). On the other hand, natural scenes include multiple dominant objects that are semantically related. …

K-LEAK: Towards Automating the Generation of Multi-Step Infoleak Exploits against the Linux Kernel

2024

The severity of information leak (infoleak for short) in OS kernels cannot be underestimated, and various exploitation techniques have been proposed to achieve infoleak in OS kernels.Among them, memory-error-based infoleak is powerful and widely used …