New GPUBreach Attack Enables Full CPU Privilege Escalation via GDDR6 Bit-Flips
ID: 8854fb5c-41d2-5caa-bb10-ad359e1771ad
STIX ID: report--8854fb5c-41d2-5caa-bb10-ad359e1771ad
Feed Name: The Hacker News
Threat Score
Academic research reveals multiple GDDR6 RowHammer attacks against NVIDIA GPUs (GPUBreach, GDDRHammer, GeForge) that corrupt GPU page tables to obtain arbitrary GPU and host memory read/write; GPUBreach can chain these corruptions into full CPU privilege escalation (root) even with IOMMU enabled, posing significant risks to cloud AI, multi-tenant GPU deployments, and HPC environments while common mitigations like ECC are incomplete.
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