CVE-2016-9637
First published: Thu Feb 16 2017(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| XenServer | =6.0.2 | |
| XenServer | =6.2.0-sp1 | |
| XenServer | =6.5-sp1 | |
| XenServer | =7.0 |
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Reference Links
- http://rhn.redhat.com/errata/RHSA-2016-2963.html
- http://www.securityfocus.com/bid/94699
- http://www.securitytracker.com/id/1037397
- http://xenbits.xen.org/xsa/advisory-199.html
- https://lists.debian.org/debian-lts-announce/2018/02/msg00005.html
- https://security.gentoo.org/glsa/201612-56
- https://support.citrix.com/article/CTX219136
Frequently Asked Questions
What is the severity of CVE-2016-9637?
CVE-2016-9637 is rated as medium severity due to its potential to allow privilege escalation.
How do I fix CVE-2016-9637?
To fix CVE-2016-9637, update to the latest version of XenServer for your specific version.
Who is affected by CVE-2016-9637?
CVE-2016-9637 affects local x86 HVM guest OS administrators using specific versions of XenServer.
What are the vulnerable versions associated with CVE-2016-9637?
Vulnerable versions associated with CVE-2016-9637 include XenServer 6.0.2, 6.2.0-sp1, 6.5-sp1, and 7.0.
What could an attacker achieve with CVE-2016-9637?
An attacker could gain qemu process privileges through out-of-range ioport access.
- agent/type
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/references
- agent/severity
- agent/last-modified-date
- agent/author
- agent/weakness
- agent/event
- agent/first-publish-date
- agent/description
- agent/source
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/citrix
- canonical/xenserver
- version/xenserver/6.0.2
- version/xenserver/6.2.0-sp1
- version/xenserver/6.5-sp1
- version/xenserver/7.0