CVE-2013-6400

Medium

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.

SeverityMedium
CVSS6.8
Exploit probability—
ProductXen
PublishedDec 13, 2013
First seenDec 13, 2013

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
xen xen4.2.0, 4.2.1, 4.2.2, 4.2.3, 4.3.0, 4.3.1—

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