---
id: CVE-2025-14302
title: >-
  Certain motherboard models developed by GIGABYTE has a Protection Mechanism
  Failure vulnerability
summary: >-
  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 p…
severity: medium
cvss: 6.8
cvssVector: 'CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-693
published: '2025-12-17'
updated: '2026-09-30'
sourceUpdated: '2026-09-30T20:10:00.247'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-14302'
references:
  - url: 'https://www.gigabyte.com/Support/Security?type=1'
    label: twcert@cert.org.tw
  - url: 'https://www.twcert.org.tw/en/cp-139-10575-e4f41-2.html'
    label: twcert@cert.org.tw
  - url: 'https://www.twcert.org.tw/tw/cp-132-10574-ddf09-1.html'
    label: twcert@cert.org.tw
tags:
  - nvd
epss: 0.00346
epssPercentile: 0.25739
ingestedAt: '2026-09-30T20:23:19.455Z'
---

## Overview

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

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.