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Hardware
CVE-2026-89448 and the Lesson That DMA Isolation Is a Configuration, Not a Checkbox
A Linux VT-d fix published as CVE-2026-89448 shows an IOMMU can be on while PCIe isolation is quietly off.
CyberAmmo Blog
DMA hardware, firmware and operational security — written by the team that builds the gear.
A Linux VT-d fix published as CVE-2026-89448 shows an IOMMU can be on while PCIe isolation is quietly off.
DMA hardware can teach PCIe trust and defensive design in class. Here’s how instructors keep labs educational-not a cheat kit.
The most-asked question after "which card": what does a fuser actually add, and do you need one?
DMA cards get talked about constantly and explained rarely. Here's what one actually does, in plain terms.