CVE-2016-9385: Input Validation
First published: Mon Jan 23 2017(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Xen XAPI | =4.4.0 | |
| Xen XAPI | =4.4.1 | |
| Xen XAPI | =4.4.2 | |
| Xen XAPI | =4.4.3 | |
| Xen XAPI | =4.4.4 | |
| Xen XAPI | =4.5.0 | |
| Xen XAPI | =4.5.1 | |
| Xen XAPI | =4.5.2 | |
| Xen XAPI | =4.5.3 | |
| Xen XAPI | =4.5.5 | |
| Xen XAPI | =4.6.0 | |
| Xen XAPI | =4.6.1 | |
| Xen XAPI | =4.6.3 | |
| Xen XAPI | =4.6.4 | |
| Xen XAPI | =4.7.0 | |
| Xen XAPI | =4.7.1 | |
| XenServer | =6.0.2 | |
| XenServer | =6.2.0 | |
| XenServer | =6.5 | |
| XenServer | =7.0 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2016-9385?
CVE-2016-9385 is classified as a denial of service vulnerability that can lead to a host crash.
How do I fix CVE-2016-9385?
To fix CVE-2016-9385, you should upgrade to a version of Xen that is not affected, such as Xen 4.8.0 or later.
Which versions of Xen are affected by CVE-2016-9385?
CVE-2016-9385 affects Xen versions 4.4.x through 4.7.x.
How does CVE-2016-9385 affect virtual machines?
CVE-2016-9385 allows local x86 PV guest OS administrators to exploit the vulnerability to crash the host.
What type of systems are impacted by CVE-2016-9385?
CVE-2016-9385 impacts systems running vulnerable versions of the Xen hypervisor, including XenServer.
- agent/remedy
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/severity
- agent/references
- agent/weakness
- agent/last-modified-date
- agent/author
- agent/description
- agent/event
- agent/first-publish-date
- agent/source
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/xen
- canonical/xen xapi
- version/xen xapi/4.4.0
- version/xen xapi/4.4.1
- version/xen xapi/4.4.2
- version/xen xapi/4.4.3
- version/xen xapi/4.4.4
- version/xen xapi/4.5.0
- version/xen xapi/4.5.1
- version/xen xapi/4.5.2
- version/xen xapi/4.5.3
- version/xen xapi/4.5.5
- version/xen xapi/4.6.0
- version/xen xapi/4.6.1
- version/xen xapi/4.6.3
- version/xen xapi/4.6.4
- version/xen xapi/4.7.0
- version/xen xapi/4.7.1
- vendor/citrix
- canonical/xenserver
- version/xenserver/6.0.2
- version/xenserver/6.2.0
- version/xenserver/6.5
- version/xenserver/7.0