CVE-2016-9637

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.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.09%
Vendor Advisory gentoo.org Vendor Advisory redhat.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/bid/94699 vdb entry
https://security.gentoo.org/glsa/201612-56 vendor advisory
https://support.citrix.com/article/CTX219136
https://lists.debian.org/debian-lts-announce/2018/02/msg00005.html mailing list
http://xenbits.xen.org/xsa/advisory-199.html
http://www.securitytracker.com/id/1037397 vdb entry
http://rhn.redhat.com/errata/RHSA-2016-2963.html vendor advisory

Frequently Asked Questions

What is the severity of CVE-2016-9637?
CVE-2016-9637 has been scored as a high severity vulnerability.
How to fix CVE-2016-9637?
To fix CVE-2016-9637, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2016-9637 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2016-9637 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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