59 citations · 89 across the 12 of their papers we have counts for
3 papers · 1 filter
Mitigating Speculation-based Attacks through Configurable Hardware/Software Co-design
Ali Hajiabadi, Archit Agarwal, Andreas Diavastos +1
New speculation-based attacks that affect large numbers of modern systems are disclosed regularly. Currently, CPU vendors regularly fall back to heavy-handed mitigations like using…
New Cross-Core Cache-Agnostic and Prefetcher-based Side-Channels and Covert-Channels
Yun Chen, Ali Hajiabadi, Lingfeng Pei +1
In this paper, we reveal the existence of a new class of prefetcher, the XPT prefetcher, in the modern Intel processors which has never been officially documented. It speculatively…
Capstone: A Capability-based Foundation for Trustless Secure Memory Access (Extended Version)
Jason Zhijingcheng Yu, Conrad Watt, Aditya Badole +2
Capability-based memory isolation is a promising new architectural primitive. Software can access low-level memory only via capability handles rather than raw pointers, which provi…