CVE-2016-7092

Published on: 09/21/2016 12:00:00 AM UTC

Last Modified on: 03/23/2021 11:27:07 PM UTC

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

Certain versions of Xen from Xen contain the following vulnerability:

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.

  • CVE-2016-7092 has been assigned by [email protected] to track the vulnerability - currently rated as HIGH severity.

CVSS3 Score: 8.2 - HIGH

Attack
Vector
Attack
Complexity
Privileges
Required
User
Interaction
LOCAL LOW HIGH NONE
Scope Confidentiality
Impact
Integrity
Impact
Availability
Impact
CHANGED HIGH HIGH HIGH

CVSS2 Score: 6.8 - MEDIUM

Access
Vector
Access
Complexity
Authentication
LOCAL LOW SINGLE
Confidentiality
Impact
Integrity
Impact
Availability
Impact
COMPLETE COMPLETE COMPLETE

CVE References

Description Tags Link
Xen CVE-2016-7092 Local Privilege Escalation Vulnerability Third Party Advisory
VDB Entry
cve.report (archive)
text/html
URL Logo BID 92862
Xen: Multiple vulnerabilities (GLSA 201611-09) — Gentoo security security.gentoo.org
text/html
URL Logo GENTOO GLSA-201611-09
Xen L3 Pagetable Recursion Bug Lets Local Users on a Guest System Gain Elevated Privileges on the Host System - SecurityTracker Third Party Advisory
VDB Entry
www.securitytracker.com
text/html
URL Logo SECTRACK 1036751
Oracle VM Server for x86 Bulletin - July 2016 web.archive.org
text/html
Inactive LinkNot Archived
URL Logo CONFIRM www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
Citrix XenServer Multiple Security Updates Third Party Advisory
support.citrix.com
text/html
URL Logo CONFIRM support.citrix.com/article/CTX216071
Patch
Vendor Advisory
xenbits.xen.org
text/x-diff
CONFIRM xenbits.xen.org/xsa/xsa185.patch
XSA-185 - Xen Security Advisories Patch
Vendor Advisory
xenbits.xen.org
text/html
URL Logo CONFIRM xenbits.xen.org/xsa/advisory-185.html
Debian -- Security Information -- DSA-3663-1 xen www.debian.org
Depreciated Link
text/html
URL Logo DEBIAN DSA-3663

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
Operating
System
XenXen-AllAllAll
Operating
System
XenXen-AllAllAll
  • cpe:2.3:o:xen:xen:-:*:*:*:*:*:*:*:
  • cpe:2.3:o:xen:xen:-:*:*:*:*:*:*:*: