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cs.LG2024
Non-Halting Queries: Exploiting Fixed Points in LLMs
Ghaith Hammouri, Kemal Derya, Berk Sunar
We introduce a new vulnerability that exploits fixed points in autoregressive models and use it to craft queries that never halt. More precisely, for non-halting queries, the LLM n…
cs.CR2024
FAULT+PROBE: A Generic Rowhammer-based Bit Recovery Attack
Kemal Derya, M. Caner Tol, Berk Sunar
Rowhammer is a security vulnerability that allows unauthorized attackers to induce errors within DRAM cells. To prevent fault injections from escalating to successful attacks, a wi…