Protection Mechanism Failure in GIGABYTE Motherboards
CVE-2025-14302

7HIGH

Key Information:

Vendor

Gigabyte

Status
Intel 600 Chipset Motherboard
Intel 700 Chipset Motherboard
Intel 800 Chipset Motherboard
Amd 600 Chipset Motherboard
Vendor
CVE Published:
17 December 2025

What is CVE-2025-14302?

Certain motherboard models developed by GIGABYTE exhibit a vulnerability due to improper enabling of the IOMMU protection mechanism. This flaw allows unauthenticated physical attackers to exploit DMA-capable PCIe devices, facilitating unauthorized read and write access to arbitrary physical memory before the operating system kernel and its associated security features are initiated.

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Affected Version(s)

AMD 600 chipset motherboard 0

AMD 800 chipset motherboard 0

AMD TRX50 chipset motherboard 0

References

https://www.twcert.org.tw/tw/cp-132-10574-ddf09-1.html
third-party-advisory
https://www.twcert.org.tw/en/cp-139-10575-e4f41-2.html
third-party-advisory
https://www.gigabyte.com/Support/Security?type=1
vendor-advisory

CVSS V4

Score:
7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Physical
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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