CVE-2016-7154

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:U/C:H/I:H/A:H

Certain versions of Xen from Xen contain the following vulnerability:

Use-after-free vulnerability in the FIFO event channel code in Xen 4.4.x allows local guest OS administrators to cause a denial of service (host crash) and possibly execute arbitrary code or obtain sensitive information via an invalid guest frame number.

  • CVE-2016-7154 has been assigned by [email protected] to track the vulnerability - currently rated as MEDIUM severity.

CVSS3 Score: 6.7 - MEDIUM

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

CVSS2 Score: 7.2 - HIGH

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

CVE References

Description Tags Link
XSA-188 - Xen Security Advisories Patch
Vendor Advisory
xenbits.xen.org
text/html
URL Logo CONFIRM xenbits.xen.org/xsa/advisory-188.html
Xen Use-After-Free in EVTCHNOP_init_control Lets Local Administrative 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 1036754
www.c7zero.info
application/pdf
MISC www.c7zero.info/stuff/csw2017_ExploringYourSystemDeeper_updated.pdf
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
xenbits.xen.org
text/x-diff
CONFIRM xenbits.xen.org/xsa/xsa188.patch
Xen CVE-2016-7154 Local Denial of Service Vulnerability Third Party Advisory
VDB Entry
cve.report (archive)
text/html
URL Logo BID 92863
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
XenXen4.4.0AllAllAll
Operating
System
XenXen4.4.1AllAllAll
Operating
System
XenXen4.4.2AllAllAll
Operating
System
XenXen4.4.3AllAllAll
Operating
System
XenXen4.4.4AllAllAll
Operating
System
XenXen4.4.0AllAllAll
Operating
System
XenXen4.4.1AllAllAll
Operating
System
XenXen4.4.2AllAllAll
Operating
System
XenXen4.4.3AllAllAll
Operating
System
XenXen4.4.4AllAllAll
  • cpe:2.3:o:xen:xen:4.4.0:*:*:*:*:*:*:*:
  • cpe:2.3:o:xen:xen:4.4.1:*:*:*:*:*:*:*:
  • cpe:2.3:o:xen:xen:4.4.2:*:*:*:*:*:*:*:
  • cpe:2.3:o:xen:xen:4.4.3:*:*:*:*:*:*:*:
  • cpe:2.3:o:xen:xen:4.4.4:*:*:*:*:*:*:*:
  • cpe:2.3:o:xen:xen:4.4.0:*:*:*:*:*:*:*:
  • cpe:2.3:o:xen:xen:4.4.1:*:*:*:*:*:*:*:
  • cpe:2.3:o:xen:xen:4.4.2:*:*:*:*:*:*:*:
  • cpe:2.3:o:xen:xen:4.4.3:*:*:*:*:*:*:*:
  • cpe:2.3:o:xen:xen:4.4.4:*:*:*:*:*:*:*: