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New GPUThor Rowhammer Defeats ECC on NVIDIA RTX A6000 to Gain Host Root Access

Academic researchers have disclosed a Rowhammer attack impacting NVIDIA workstation GPUs with GDDR6 memory that defeats error correction codes (ECC), the mitigation NVIDIA recommends against GPU Rowhammer, and enables denial-of-service (DoS) and privilege escalation to a root shell.

Dubbed GPUThor, the attack was developed by researchers at the University of Toronto, who hammered four DRAM

9:10 am, August 27, 2026

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https://thehackernews.com/2026/08/gputhor-rowhammer-defeats-ecc-on-nvidia.html

id: 2748
uid: YUtGh
insdate: 2026-08-27 09:10:08
title: New GPUThor Rowhammer Defeats ECC on NVIDIA RTX A6000 to Gain Host Root Access
additional: Academic researchers have disclosed a Rowhammer attack impacting NVIDIA workstation GPUs with GDDR6 memory that defeats error correction codes (ECC), the mitigation NVIDIA recommends against GPU Rowhammer, and enables denial-of-service (DoS) and privilege escalation to a root shell.

Dubbed GPUThor, the attack was developed by researchers at the University of Toronto, who hammered four DRAM
category: Cybersecurity
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source_url: https://thehackernews.com/2026/08/gputhor-rowhammer-defeats-ecc-on-nvidia.html
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