CVE-2016-7093

8.2 HIGH

Published: September 21, 2016 Modified: May 06, 2026

Description

Xen 4.5.3, 4.6.3, and 4.7.x allow local HVM guest OS administrators to overwrite hypervisor memory and consequently gain host OS privileges by leveraging mishandling of instruction pointer truncation during emulation.

AI Explanation

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

http://support.citrix.com/article/CTX216071

Source: cve@mitre.org

Third Party Advisory

http://www.securityfocus.com/bid/92865

Source: cve@mitre.org

http://www.securitytracker.com/id/1036752

Source: cve@mitre.org

Third Party Advisory VDB Entry

http://xenbits.xen.org/xsa/advisory-186.html

Source: cve@mitre.org

Patch Vendor Advisory

http://xenbits.xen.org/xsa/xsa186-0001-x86-emulate-Correct-boundary-interactions-of-emulate.patch

Source: cve@mitre.org

Patch Vendor Advisory

https://security.gentoo.org/glsa/201611-09

Source: cve@mitre.org

http://support.citrix.com/article/CTX216071