CVEvulnerability

CVE-2009-4419

7.2 HIGH Published 2009-12-24 Modified 2026-06-16 Official page ↗
Status
Modified
Published
2009-12-24
Last modified
2026-06-16
Assigner
[email protected]
CVSS 2.0 ([email protected])
7.2 HIGH — AV:L/AC:L/Au:N/C:C/I:C/A:C
Weaknesses
CWE-16

Description

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.

Affected configurations

• intel gm45 chipset • intel pm45 express chipset • intel q35 chipset • intel q43 express chipset • intel q45 chipset

Related

Weakness · not in database (1)

Referenced by CWE · observed example (1)

  • CWE-1316 Fabric-Address Map Allows Programming of Unwarranted Overlaps of Protected and Unprotected Ranges weakness

References