EVAX paper proposes on-demand defenses for microarchitectural attacks
Authors report cutting InvisiSpec overhead from 27% to 1.26% and Fencing from 74% to 3.45%.
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Stories tagged #rowhammer
Paper gives probabilistic semantics for Rowhammer-style bit flips
A collapse theorem says physical separation makes protected executions match the fault-free run for every finite prefix.
Rowhammer bit-flip in Triton slows or corrupts LLM inference
LLVMhammer raised single-GPU latency 4-16% on four models and could cut BERTScore to 25%.
GPUThor: Amplifying Rowhammer Attacks via Non-Uniform Patterns to Exploit ECC-Protected GPUs
GPUThor uses non-uniform hammering to amplify Rowhammer on NVIDIA GPUs, achieving 500X-23,500X more bit flips and first exploits of ECC-protected GPUs.
New GPUThor Rowhammer Defeats ECC on NVIDIA RTX A6000 to Gain Host Root Access
University of Toronto researchers present GPUThor, a Rowhammer attack that defeats ECC on NVIDIA RTX A4000-A6000 GDDR6 GPUs and achieves host root access.