New ‘GeForge’ and ‘GDDRHammer’ attacks can fully infiltrate your system through Nvidia’s GPU memory — Rowhammer attacks in GPUs force bit flips in protected VRAM regions to gain read/write access

April 5, 2026

, By Tom’s Hardware

New ‘GeForge’ and ‘GDDRHammer’ attacks can fully infiltrate your system through Nvidia’s GPU memory — Rowhammer attacks in GPUs force bit flips in protected VRAM regions to gain read/write access

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Last year, we covered the first known Rowhammer attack on GPUs, dubbed “GPUHammer,” which proved that VRAM is also susceptible to bit flips. At the time, our story focused on how GPUHammer can cripple an AI model’s accuracy from 80% to just 0.1% in an RTX A6000 with a single bit flip. Since then, two new Rowhammer attacks have surfaced that can gain root access to the CPU through your GPU, potentially compromising your entire system (story via Ars Technica).

These attacks are called “GDDRHammer” and…

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New ‘GeForge’ and ‘GDDRHammer’ attacks can fully infiltrate your system through Nvidia’s GPU memory — Rowhammer attacks in GPUs force bit flips in protected VRAM regions to gain read/write access

April 5, 2026

, Published By Tom’s Hardware

New ‘GeForge’ and ‘GDDRHammer’ attacks can fully infiltrate your system through Nvidia’s GPU memory — Rowhammer attacks in GPUs force bit flips in protected VRAM regions to gain read/write access

Last year, we covered the first known Rowhammer attack on GPUs, dubbed “GPUHammer,” which proved that VRAM is also susceptible to bit flips. At the time, our story focused on how GPUHammer can cripple an AI model’s accuracy from 80% to just 0.1% in an RTX A6000 with a single bit flip. Since then, two new Rowhammer attacks have surfaced that can gain root access to the CPU through your GPU, potentially compromising your entire system (story via Ars Technica).

These attacks are called “GDDRHammer” and…

Disclaimer

We strive to uphold the highest ethical standards in all of our reporting and coverage. We StartupNews.fyi want to be transparent with our readers about any potential conflicts of interest that may arise in our work. It’s possible that some of the investors we feature may have connections to other businesses, including competitors or companies we write about. However, we want to assure our readers that this will not have any impact on the integrity or impartiality of our reporting. We are committed to delivering accurate, unbiased news and information to our audience, and we will continue to uphold our ethics and principles in all of our work. Thank you for your trust and support.

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Previous News

Samsung has a fix for your Galaxy S26 Ultra’s blurry photos

Next News

Hacks, Romulus, Dream Stage: What’s New to Watch on HBO Max the Week of April 3, 2026

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