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.
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