Bleeping Computer
9.5 — CRITICAL
New GPUThor attack defeats NVIDIA ECC protection for root access
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. [...]
🤖 AI BriefingAuto-generated threat analysis
🔍Threat Overview
GPUThor is a Rowhammer attack that can bypass NVIDIA ECC protection, enabling denial-of-service and root-level privilege escalation on Ampere-class GPUs with GDDR6 memory.
⚙️Technical Details
Affected Systems
NVIDIA RTX A4000RTX A4500RTX A5000RTX A6000
Attack Vectors
Rowhammer attack using non-uniform pattern to avoid TRR mitigations
💥Impact Assessment
Severity: critical
Who Is at Risk
Users of NVIDIA Ampere-class GPUs with GDDR6 memorySeverity: critical
🛡️Recommended Actions
1Enable both SYS-ECC and IOMMU/DMA isolation
2Monitor GPU error telemetry
3Restrict the sharing or execution of untrusted workloads
📦Affected Products
NVIDIA RTX A4000RTX A4500RTX A5000RTX A6000
Read the full article
This is a curated summary. The complete article is available at Bleeping Computer.