CVE-2016-9932

Description

CMPXCHG8B emulation in Xen 3.3.x through 4.7.x on x86 systems allows local HVM guest OS users to obtain sensitive information from host stack memory via a "supposedly-ignored" operand size prefix.

Category

3.3
CVSS
Severity: Low
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.07%
Vendor Advisory gentoo.org Vendor Advisory debian.org Vendor Advisory xen.org Vendor Advisory citrix.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://xenbits.xen.org/xsa/advisory-200.html patch vendor advisory
https://security.gentoo.org/glsa/201612-56 vendor advisory
http://www.debian.org/security/2017/dsa-3847 vendor advisory
http://www.securitytracker.com/id/1037468 vdb entry third party advisory
http://www.securityfocus.com/bid/94863 vdb entry third party advisory
https://support.citrix.com/article/CTX219378 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2016-9932?
CVE-2016-9932 has been scored as a low severity vulnerability.
How to fix CVE-2016-9932?
To fix CVE-2016-9932, 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-2016-9932 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2016-9932 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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