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.

Metrics

Attack Vector Physical

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Physical

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00053.

Exploitation none

Automatable no

Technical Impact total

Affected Vendors & Products

Vendors Products
Gigabyte Subscribe
Amd 600 Subscribe
Amd 800 Subscribe
Amd Trx50 Subscribe
Intel 600 Subscribe
Intel 700 Subscribe
Intel 800 Subscribe

No data.

No data.

OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

Vendors Products
Gigabyte Subscribe
Amd 600 Subscribe
Amd 800 Subscribe
Amd Trx50 Subscribe
Intel 600 Subscribe
Intel 700 Subscribe
Intel 800 Subscribe
Advisories

No advisories yet.

Fixes

Solution

Please update firmware to latest version.

Workaround

No workaround given by the vendor.

References
Link Providers
https://www.gigabyte.com/Support/Security?type=1 cve-icon cve-icon
https://www.twcert.org.tw/en/cp-139-10575-e4f41-2.html cve-icon cve-icon
https://www.twcert.org.tw/tw/cp-132-10574-ddf09-1.html cve-icon cve-icon
History

Wed, 17 Dec 2025 19:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Wed, 17 Dec 2025 14:30:00 +0000

Type Values Removed Values Added
First Time appeared Gigabyte
Gigabyte amd 600
Gigabyte amd 800
Gigabyte amd Trx50
Gigabyte intel 600
Gigabyte intel 700
Gigabyte intel 800
Vendors & Products Gigabyte
Gigabyte amd 600
Gigabyte amd 800
Gigabyte amd Trx50
Gigabyte intel 600
Gigabyte intel 700
Gigabyte intel 800

Wed, 17 Dec 2025 03:15:00 +0000

Type Values Removed Values Added
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.
Title GIGABYTE｜Motherboard - Protection Mechanism Failure
Weaknesses CWE-693
References
Metrics cvssV3_1

{'score': 6.8, 'vector': 'CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 7, 'vector': 'CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: twcert

Published:

Updated: 2025-12-17T18:49:12.978Z

Reserved: 2025-12-09T06:37:43.299Z

Link: CVE-2025-14302

cve-icon Vulnrichment

Updated: 2025-12-17T14:49:59.893Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-12-17T03:15:57.443

Modified: 2025-12-18T15:08:06.237

Link: CVE-2025-14302

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-12-17T14:28:36Z

Weaknesses