NVIDIA Patches Critical VIRTIO-Net Flaw in BlueField 3 Allowing VM Code Execution
NVIDIA has issued a security update to address a critical vulnerability in the VIRTIO-Net component of its BlueField 3 DPU platform.
The flaw, identified as CVE-2026-65094, was disclosed in a security advisory published on July 28, 2026. It stems from improper handling of memory write operations and was discovered internally by the company. The original CVE identifier CVE-2025-33209 was withdrawn and replaced.
According to the advisory, a virtual machine user can exploit the vulnerability by sending specially crafted messages. This allows arbitrary values to be written to arbitrary memory locations, enabling code execution within the VIRTIO-Net execution context.
The vulnerability received a CVSS v3.1 base score of 9.0 and is rated Critical, the highest severity level.
NVIDIA recommends updating to the following fixed versions or later: VIRTIO-Net 25.10.6, 25.10.2, 24.10.50, and 23.10.23.
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