2 papers
cs.CR2026
GPUBreach: Privilege Escalation Attacks on GPUs using Rowhammer
Chris S. Lin, Yuqin Yan, Guozhen Ding +4
NVIDIA GPUs with GDDR memories have been shown susceptible to Rowhammer-based bit-flips, similar to CPUs. However, Rowhammer exploits on GPUs have been limited to injecting untarge…
cs.LG2024
Time Will Tell: Timing Side Channels via Output Token Count in Large Language Models
Tianchen Zhang, Gururaj Saileshwar, David Lie
This paper demonstrates a new side-channel that enables an adversary to extract sensitive information about inference inputs in large language models (LLMs) based on the number of…