nvidia

Researchers Broke Cloud GPU Isolation With a Memory Trick Nobody Can Patch

John Z Black Apr 4, 2026

Vulnerabilities & Patching #nvidia #gpu #rowhammer #cloud-security #hardware-vulnerability #ai-infrastructure

Three new Rowhammer attacks on Nvidia GPUs let a shared cloud tenant escalate to root on the host. It's a hardware flaw. There's no fix. And nobody's talking.