CVE-2016-7092 Information

Description

The get_page_from_l3e function in arch/x86/mm.c in Xen allows local 32-bit PV guest OS administrators to gain host OS privileges via vectors related to L3 recursive pagetables.

CVSS Vector

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

Reference

http://support.citrix.com/article/CTX216071 http://www.debian.org/security/2016/dsa-3663 http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html http://www.securityfocus.com/bid/92862 http://www.securitytracker.com/id/1036751 http://xenbits.xen.org/xsa/advisory-185.html http://xenbits.xen.org/xsa/xsa185.patch https://security.gentoo.org/glsa/201611-09

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction Required

HIGH

Scope

NONE

Confidentiality Impact

CHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.2