CVE-2016-9637

7.5 HIGH
Published: February 17, 2017 Modified: May 13, 2026
View on NVD

Description

The (1) ioport_read and (2) ioport_write functions in Xen, when qemu is used as a device model within Xen, might allow local x86 HVM guest OS administrators to gain qemu process privileges via vectors involving an out-of-range ioport access.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-2963.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/bid/94699
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securitytracker.com/id/1037397
Source: af854a3a-2127-422b-91ae-364da2661108
http://xenbits.xen.org/xsa/advisory-199.html
Source: af854a3a-2127-422b-91ae-364da2661108
https://security.gentoo.org/glsa/201612-56
Source: af854a3a-2127-422b-91ae-364da2661108
https://support.citrix.com/article/CTX219136
Source: af854a3a-2127-422b-91ae-364da2661108

14 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.5 / 10.0
EPSS (Exploit Probability)
0.4%
28th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

citrix