8.3
CVSSv2

CVE-2014-1666

Published: 26/01/2014 Updated: 03/01/2018
CVSS v2 Base Score: 8.3 | Impact Score: 10 | Exploitability Score: 6.5
VMScore: 739
Vector: AV:A/AC:L/Au:N/C:C/I:C/A:C

Vulnerability Summary

The do_physdev_op function in Xen 4.1.5, 4.1.6.1, 4.2.2 up to and including 4.2.3, and 4.3.x does not properly restrict access to the (1) PHYSDEVOP_prepare_msix and (2) PHYSDEVOP_release_msix operations, which allows local PV guests to cause a denial of service (host or guest malfunction) or possibly gain privileges via unspecified vectors.

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xen xen 4.3.0

xen xen 4.3.1

xen xen 4.2.2

xen xen 4.1.5

xen xen 4.2.3

xen xen 4.1.6.1

Vendor Advisories

The do_physdev_op function in Xen 415, 4161, 422 through 423, and 43x does not properly restrict access to the (1) PHYSDEVOP_prepare_msix and (2) PHYSDEVOP_release_msix operations, which allows local PV guests to cause a denial of service (host or guest malfunction) or possibly gain privileges via unspecified vectors ...