New UEFI Flaw Enables Early-Boot DMA Attacks on ASRock, ASUS, GIGABYTE, MSI Motherboards

New UEFI Flaw Enables Early-Boot DMA Attacks on ASRock, ASUS, GIGABYTE, MSI Motherboards

A security vulnerability affects certain motherboard models from vendors like ASRock, ASUS, GIGABYTE, and MSI, allowing DMA attacks during the early boot phase due to a failure in configuring IOMMU properly. Patch updates are crucial to fix these issues and prevent potential memory access breaches by malicious peripherals. #ASRock #ASUS #GIGABYTE #MSI

Keypoints

  • The vulnerability impacts motherboards with UEFI implementations that fail to properly enable IOMMU during boot.
  • Malicious DMA-capable devices can access or modify system memory before OS security measures are active.
  • Multiple vendors including ASRock, ASUS, GIGABYTE, and MSI have affected motherboards with specific chipsets.
  • Exploitation can lead to pre-boot code injection and manipulation of system memory on affected systems.
  • Firmware updates are recommended immediately to secure vulnerable systems against DMA-based attacks.

Read More: https://thehackernews.com/2025/12/new-uefi-flaw-enables-early-boot-dma.html