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CVE-2016-7092

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Date: September 21, 2016

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.

Language: C

Severity Score

8.2

Related Resources (11)

Url: http://xenbits.xen.org/xsa/xsa185.patch

Url: http://xenbits.xen.org/xsa/advisory-185.html

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

Url: https://nvd.nist.gov/vuln/detail/CVE-2016-7092

Url: http://www.securitytracker.com/id/1036751

Url: http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html

Url: http://www.debian.org/security/2016/dsa-3663

Url: http://www.securityfocus.com/bid/92862

Url: https://access.redhat.com/security/cve/CVE-2016-7092

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

Url: https://www.mend.io/vulnerability-database/CVE-2016-7092

Severity Score

8.2

Weakness Type (CWE)

Permissions, Privileges, and Access Control

CWE-264

CVSS v3.1

Base Score:	8.2
Attack Vector (AV):	LOCAL
Attack Complexity (AC):	LOW
Privileges Required (PR):	HIGH
User Interaction (UI):	NONE
Scope (S):	CHANGED
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	HIGH

CVSS v2

Base Score:	6.8
Access Vector (AV):	LOCAL
Access Complexity (AC):	LOW
Authentication (AU):	SINGLE
Confidentiality (C):	COMPLETE
Integrity (I):	COMPLETE
Availability (A):	COMPLETE
Additional information:

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