CVE-2011-3131

MEDIUM

Description

Xen 4.1.1 and earlier allows local guest OS kernels with control of a PCI[E] device to cause a denial of service (CPU consumption and host hang) via many crafted DMA requests that are denied by the IOMMU, which triggers a livelock.

References

http://old-list-archives.xen.org/archives/html/xen-devel/2011-06/msg01106.html

http://old-list-archives.xen.org/archives/html/xen-devel/2011-08/msg00450.html

http://secunia.com/advisories/45622

http://secunia.com/advisories/51468

http://www.debian.org/security/2012/dsa-2582

http://www.securityfocus.com/bid/49146

http://xenbits.xen.org/hg/staging/xen-4.1-testing.hg/rev/84e3706df07a

Details

Source: MITRE

Published: 2012-12-13

Updated: 2012-12-13

Type: CWE-399

Risk Information

CVSS v2.0

Base Score: 4.6

Vector: AV:L/AC:L/Au:S/C:N/I:N/A:C

Impact Score: 6.9

Exploitability Score: 3.1

Severity: MEDIUM