Published: 13/12/2013 Updated: 07/01/2017

CVSS v2 Base Score: 6.8 | Impact Score: 10 | Exploitability Score: 3.2

VMScore: 605

Vector: AV:A/AC:H/Au:N/C:C/I:C/A:C

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.

Vulnerable Product	Search on Vulmon	Subscribe to Product
xen xen 4.2.3
xen xen 4.2.1
xen xen 4.2.2
xen xen 4.3.1
xen xen 4.2.0
xen xen 4.3.0

Xen 42x and 43x, 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 ...

CWE-264 http://lists.xen.org/archives/html/xen-announce/2013-12/msg00002.html http://secunia.com/advisories/55932 http://www.openwall.com/lists/oss-security/2013/12/10/7 http://www.securitytracker.com/id/1029468 http://lists.fedoraproject.org/pipermail/package-announce/2013-December/125081.html http://lists.fedoraproject.org/pipermail/package-announce/2013-December/125111.html http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00011.html http://security.gentoo.org/glsa/glsa-201407-03.xml https://nvd.nist.gov https://access.redhat.com/security/cve/cve-2013-6400

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CVE-2013-6400

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