CVE-2013-6400

xen: IOMMU TLB flushing may be inadvertently suppressed

Published Dec 13, 2013 CVSS 2.0 · 6.8 Medium EPSS < 1% KEV · Not listed
Description
Xen 4.2.x and 4.3.x, when using Intel VT-d and a PCI device has been assigned, does not clear the flag that suppresses IOMMU TLB flushes when unspecified errors occur, which causes the TLB entries to not be flushed and allows local guest administrators to cause a denial of service (host crash) or gain privileges via unspecified vectors.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2013-6221 Xen 4.2.x and 4.3.x, when using Intel VT-d and a PCI device has been assigned, does not clear the flag that suppresses IOMMU TLB flushes when unspecified errors occur, which causes the TLB entries to not be flushed and allows local guest administrators to cause a denial of service (host crash) or gain privileges via unspecified vectors.
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Aug 6, 2024, 5:39 PM
Reserved
Nov 4, 2013, 12:00 AM
Status
Modified
Published
Dec 13, 2013, 6:55 PM
Modified
Jun 17, 2026, 12:00 AM
Severity
Important
Public date
Dec 10, 2013, 12:00 AM