CVE-2011-1898

virt: VT-d (PCI passthrough) MSI trap injection

Published Aug 12, 2011 CVSS 2.0 · 7.4 High EPSS < 1% KEV · Not listed
Description
Xen 4.1 before 4.1.1 and 4.0 before 4.0.2, when using PCI passthrough on Intel VT-d chipsets that do not have interrupt remapping, allows guest OS users to gain host OS privileges by "using DMA to generate MSI interrupts by writing to the interrupt injection registers."

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-2337-1 xen security update
EUVD EUVD EUVD-2011-1896 Xen 4.1 before 4.1.1 and 4.0 before 4.0.2, when using PCI passthrough on Intel VT-d chipsets that do not have interrupt remapping, allows guest OS users to gain host OS privileges by "using DMA to generate MSI interrupts by writing to the interrupt injection registers."
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Aug 6, 2024, 10:46 PM
Reserved
May 4, 2011, 12:00 AM
Status
Modified
Published
Aug 12, 2011, 6:55 PM
Modified
Jun 16, 2026, 11:30 PM
Severity
Important
Public date
Apr 13, 2011, 12:00 AM