Protection Mechanism Failure in MSI Motherboards
CVE-2025-14303

7HIGH

Key Information:

Vendor

Msi

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

What is CVE-2025-14303?

A vulnerability exists in certain MSI motherboard models due to improper enabling of IOMMU, allowing unauthenticated physical attackers to access arbitrary physical memory through a DMA-capable PCIe device. This issue arises before the operating system kernel and its security features are initialized, posing significant security risks and potential data exposure.

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Affected Version(s)

Intel 600 chipset motherboard 0

Intel 700 chipset motherboard 0

References

https://www.twcert.org.tw/tw/cp-132-10576-0a0fd-1.html
third-party-advisory
https://www.twcert.org.tw/en/cp-139-10577-3cd58-2.html
third-party-advisory
https://csr.msi.com/global/product-security-advisories
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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