Description
Certain motherboard models developed by GIGABYTE 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.
References (3)
Core 3
Core References
Various Sources third-party-advisory
https://www.twcert.org.tw/tw/cp-132-10574-ddf09-1.html
Various Sources third-party-advisory
https://www.twcert.org.tw/en/cp-139-10575-e4f41-2.html
Various Sources vendor-advisory
https://www.gigabyte.com/Support/Security?type=1
Scores
CVSS v3
6.8
EPSS
0.0031
EPSS Percentile
22.9%
Attack Vector
PHYSICAL
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-693
Status
published
Products (6)
GIGABYTE/AMD 600 chipset motherboard
GIGABYTE/AMD 800 chipset motherboard
GIGABYTE/AMD TRX50 chipset motherboard
GIGABYTE/intel 600 chipset Motherboard
GIGABYTE/intel 700 chipset Motherboard
GIGABYTE/intel 800 chipset Motherboard
Published
Dec 17, 2025
Tracked Since
Feb 18, 2026