AI Summary

A newly disclosed Rowhammer attack named GPUThor can bypass error‑correcting code (ECC) protections on NVIDIA GPUs, allowing both denial‑of‑service disruption and root‑level privilege escalation. Researchers from the University of Toronto report that GPUThor achieves significantly higher practical bit‑flip rates than earlier concepts such as GPUHammer or GPUBreach, which lost relevance after ECC was introduced.

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