CVE-2012-5634

kernel: xen: VT-d interrupt remapping source validation flaw

Published Feb 14, 2013 CVSS 2.0 · 6.1 Medium EPSS < 1% KEV · Not listed
Description
Xen 4.2.x, 4.1.x, and 4.0, when using Intel VT-d for PCI passthrough, does not properly configure VT-d when supporting a device that is behind a legacy PCI Bridge, which allows local guests to cause a denial of service to other guests by injecting an interrupt.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-2636-1 xen security update
Debian DSA Debian DSA DSA-2636-2 xen regression update
EUVD EUVD EUVD-2012-5518 Xen 4.2.x, 4.1.x, and 4.0, when using Intel VT-d for PCI passthrough, does not properly configure VT-d when supporting a device that is behind a legacy PCI Bridge, which allows local guests to cause a denial of service to other guests by injecting an interrupt.
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Aug 6, 2024, 9:14 PM
Reserved
Oct 24, 2012, 12:00 AM
Status
Modified
Published
Feb 14, 2013, 10:55 PM
Modified
Jun 16, 2026, 11:47 PM
Severity
Moderate
Public date
Jan 8, 2013, 12:00 AM