CVE-2016-9385

MEDIUM

Xen 4.4.x-4.7.x - Denial of Service via x86 Segment Base Write Emulation

Title source: llm
STIX 2.1

Description

The x86 segment base write emulation functionality in Xen 4.4.x through 4.7.x allows local x86 PV guest OS administrators to cause a denial of service (host crash) by leveraging lack of canonical address checks.

References (5)

Core 5
Core References
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/201612-56
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/94472
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1037342
Patch, Third Party Advisory, VDB Entry x_refsource_confirm
https://support.citrix.com/article/CTX218775
Patch, Vendor Advisory x_refsource_confirm
http://xenbits.xen.org/xsa/advisory-193.html

Scores

CVSS v3 6.0
EPSS 0.0010
EPSS Percentile 27.9%
Attack Vector LOCAL
CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H

Details

CWE
CWE-20
Status published
Products (20)
citrix/xenserver 6.0.2
citrix/xenserver 6.2.0
citrix/xenserver 6.5
citrix/xenserver 7.0
xen/xen 4.4.0
xen/xen 4.4.1
xen/xen 4.4.2
xen/xen 4.4.3
xen/xen 4.4.4
xen/xen 4.5.0
... and 10 more
Published Jan 23, 2017
Tracked Since Feb 18, 2026