New GPUThor attack defeats NVIDIA ECC protection for root access

Executive Summary

A newly disclosed Rowhammer attack, GPUThor, can bypass error‑correcting code (ECC) protections on NVIDIA GPUs. By repeatedly accessing memory, the exploit induces bit flips that allow attackers to trigger a denial‑of‑service and gain root‑level privilege escalation on affected systems.


Intelligence Metadata - Source Publisher: Bleeping Computer - Published Date: 2026-08-26T18:48:24+00:00 - Category: threat-intel

Original Description: A newly disclosed Rowhammer attack called GPUThor can bypass error-correcting code (ECC) protections on NVIDIA GPUs, enabling denial-of-service (DoS) and root-level privilege escalation. [...]

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Source: Bleeping Computer