CVE-2025-14302

GIGABYTE|Motherboard - Protection Mechanism Failure

Published Dec 17, 2025 CVSS 4.0 · 7 High EPSS < 1% KEV · Not listed
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.

Remediation

Vendor Solution

Please update firmware to latest version.

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

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

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
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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
twcert
Published
Updated
Dec 17, 2025, 6:49 PM
Reserved
Dec 9, 2025, 6:37 AM
Status
Deferred
Published
Dec 17, 2025, 3:15 AM
Modified
Oct 7, 2026, 11:10 AM