Intel Q35, GM45, PM45 Express, Q45, and Q43 Express chipsets in the SINIT Authenticated Code Module (ACM), which allows local users to bypass the Trusted Execution Technology protection mechanism and gain privileges by modifying the MCHBAR register to point to an attacker-controlled region, which prevents the SENTER instruction from properly applying VT-d protection while an MLE is being loaded.

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Advisories
Source ID Title
EUVD EUVD EUVD-2009-4386 Intel Q35, GM45, PM45 Express, Q45, and Q43 Express chipsets in the SINIT Authenticated Code Module (ACM), which allows local users to bypass the Trusted Execution Technology protection mechanism and gain privileges by modifying the MCHBAR register to point to an attacker-controlled region, which prevents the SENTER instruction from properly applying VT-d protection while an MLE is being loaded.
Fixes

Solution

No solution given by the vendor.


Workaround

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History

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-07T07:01:20.415Z

Reserved: 2009-12-24T00:00:00.000Z

Link: CVE-2009-4419

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2009-12-24T17:30:00.250

Modified: 2025-04-09T00:30:58.490

Link: CVE-2009-4419

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses