CVE-2016-2271

Published on: 02/19/2016 12:00:00 AM UTC

Last Modified on: 03/23/2021 11:27:15 PM UTC

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

Certain versions of Xen from Xen contain the following vulnerability:

VMX in Xen 4.6.x and earlier, when using an Intel or Cyrix CPU, allows local HVM guest users to cause a denial of service (guest crash) via vectors related to a non-canonical RIP.

  • CVE-2016-2271 has been assigned by [email protected] to track the vulnerability - currently rated as MEDIUM severity.

CVSS3 Score: 5.5 - MEDIUM

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

CVSS2 Score: 2.1 - LOW

Access
Vector
Access
Complexity
Authentication
LOCAL LOW NONE
Confidentiality
Impact
Integrity
Impact
Availability
Impact
NONE NONE PARTIAL

CVE References

Description Tags Link
Xen vmx_vmexit_handler() Lets Local Users on a Guest System Cause Denial of Service Conditions on the Guest System - SecurityTracker www.securitytracker.com
text/html
URL Logo SECTRACK 1035043
[SECURITY] Fedora 23 Update: xen-4.5.2-8.fc23 lists.fedoraproject.org
text/html
URL Logo FEDORA FEDORA-2016-e48f4bd14f
Debian -- Security Information -- DSA-3519-1 xen www.debian.org
Depreciated Link
text/html
URL Logo DEBIAN DSA-3519
Citrix XenServer Multiple Security Updates support.citrix.com
text/html
URL Logo CONFIRM support.citrix.com/article/CTX209443
[SECURITY] Fedora 22 Update: xen-4.5.2-8.fc22 lists.fedoraproject.org
text/html
URL Logo FEDORA FEDORA-2016-f8121efdac
Xen: Multiple vulnerabilities (GLSA 201604-03) — Gentoo Security security.gentoo.org
text/html
URL Logo GENTOO GLSA-201604-03
XSA-170 - Xen Security Advisories Patch
Vendor Advisory
xenbits.xen.org
text/html
URL Logo CONFIRM xenbits.xen.org/xsa/advisory-170.html

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
Operating
System
XenXen4.6.0AllAllAll
Operating
System
XenXen4.6.1AllAllAll
Operating
System
XenXen4.6.0AllAllAll
Operating
System
XenXen4.6.1AllAllAll
  • cpe:2.3:o:xen:xen:4.6.0:*:*:*:*:*:*:*:
  • cpe:2.3:o:xen:xen:4.6.1:*:*:*:*:*:*:*:
  • cpe:2.3:o:xen:xen:4.6.0:*:*:*:*:*:*:*:
  • cpe:2.3:o:xen:xen:4.6.1:*:*:*:*:*:*:*: