CVE-2016-7094

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

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

CVE-2016-7094

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

Certain versions of Xen from Xen contain the following vulnerability:

Buffer overflow in Xen 4.7.x and earlier allows local x86 HVM guest OS administrators on guests running with shadow paging to cause a denial of service via a pagetable update.

  • CVE-2016-7094 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as MEDIUM severity.

CVSS3 Score: 4.1 - MEDIUM

Attack
Vector ⓘ		 Attack
Complexity		 Privileges
Required		 User
Interaction
LOCAL HIGH HIGH NONE
Scope Confidentiality
Impact		 Integrity
Impact		 Availability
Impact
UNCHANGED NONE NONE HIGH

CVSS2 Score: 1.5 - LOW

Access
Vector ⓘ		 Access
Complexity		 Authentication
LOCAL MEDIUM SINGLE
Confidentiality
Impact		 Integrity
Impact		 Availability
Impact
NONE NONE PARTIAL

CVE References

Description Tags ⓘ Link
Xen: Multiple vulnerabilities (GLSA 201611-09) — Gentoo security security.gentoo.org
text/html
 URL Logo GENTOO GLSA-201611-09
Patch
Vendor Advisory
xenbits.xen.org
text/x-diff
 URL Logo CONFIRM xenbits.xen.org/xsa/xsa187-0001-x86-shadow-Avoid-overflowing-sh_ctxt-seg_reg.patch
Xen CVE-2016-7094 Local Denial of Service Vulnerability Third Party Advisory
VDB Entry
cve.report (archive)
text/html
 URL Logo BID 92864
XSA-187 - Xen Security Advisories Patch
Vendor Advisory
xenbits.xen.org
text/html
 URL Logo CONFIRM xenbits.xen.org/xsa/advisory-187.html
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
Xen Lets Local Users on a Guest System Cause Denial of Service Conditions on the Host System - SecurityTracker Third Party Advisory
VDB Entry
www.securitytracker.com
text/html
 URL Logo SECTRACK 1036753
Debian -- Security Information -- DSA-3663-1 xen www.debian.org
Depreciated Link
text/html
 URL Logo DEBIAN DSA-3663
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Known Affected Configurations (CPE V2.3)

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