CVE-2025-14303: MSI|Motherboard - Protection Mechanism Failure

Published Dec 17, 2025
·
Updated

Certain motherboard models developed by MSI 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.

Affected Software

1 affected component
MSI Motherboard

Remediation

Information

Please update firmware to latest version.

Event History

Dec 17, 2025
CVE Published
via MITRE·03:13 AM
Data Sourced
via MITRE·03:13 AM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·03:15 AM
DescriptionSeverityWeakness
Dec 19, 2025
News Published
via BleepingComputer·03:54 PM
News Published
via BleepingComputer·03:56 PM
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Frequently Asked Questions

1

What is the severity of CVE-2025-14303?

CVE-2025-14303 is considered a critical vulnerability due to the risk of unauthorized access to arbitrary physical memory.

2

How do I fix CVE-2025-14303?

To mitigate CVE-2025-14303, ensure that the IOMMU feature is properly enabled in BIOS settings.

3

What systems are impacted by CVE-2025-14303?

CVE-2025-14303 affects certain motherboard models developed by MSI.

4

Who can exploit CVE-2025-14303?

CVE-2025-14303 can be exploited by unauthenticated physical attackers using a DMA-capable PCIe device.

5

What does the exploitation of CVE-2025-14303 allow?

Exploitation of CVE-2025-14303 allows attackers to read and write arbitrary physical memory before the OS kernel and its security measures are activated.

Contact

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