CVE-2016-7092

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 v3.0 8.2 HIGH
CVSS v2.0 6.8 MEDIUM

8.2^/10

CVSS v3.0 : HIGH

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

Exploitability : 1.5 / Impact : 6.0

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

6.8^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 3.1 / Impact : 10.0

Access Vector LOCAL

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

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

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Configurations

Configuration 1 (hide)

cpe:2.3:o:xen:xen:-:*:*:*:*:*:*:*

Information

Published : 2016-09-21 07:25

Updated : 2017-06-30 18:30

NVD link : CVE-2016-7092

Mitre link : CVE-2016-7092

JSON object : View

CWE

CWE-264

Permissions, Privileges, and Access Controls

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Products Affected

xen

xen

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