Affected: ASRock Intel 500 chipset motherboard, ASRockRack Intel 500 chipset motherboard, ASRockInd Intel 500 chipset motherboard, ASRock Intel 600 chipset motherboard, ASRockRack Intel 600 chipset motherboard, ASRockInd Intel 600 chipset motherboard, ASRock Intel 700 chipset motherboard, ASRockRack Intel 700 chipset motherboard, ASRockInd Intel 700 chipset motherboard, ASRock Intel 800 chipset motherboard and 2 more

Certain motherboard models developed by ASRock and its subsidiaries, ASRockRack and ASRockInd. has a Protection Mechanism Failure vulnerability. Because IOMMU was not properly enabled, unauthenticated physical attackers can use a DMA-capable PCIe device to read and write arbitrary physical memory before the OS kernel and its security features are loaded.