CVE-2015-5166

Description

Use-after-free vulnerability in QEMU in Xen 4.5.x and earlier does not completely unplug emulated block devices, which allows local HVM guest users to gain privileges by unplugging a block device twice.

Category

7.2
CVSS
Severity: High
CVSS 2.0 •
EPSS 0.14%
Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory xen.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://lists.fedoraproject.org/pipermail/package-announce/2015-September/167820.html vendor advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-September/165373.html vendor advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-September/167792.html vendor advisory
http://www.securityfocus.com/bid/76152 vdb entry
http://www.securitytracker.com/id/1033175 vdb entry
http://xenbits.xen.org/xsa/advisory-139.html patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2015-5166?
CVE-2015-5166 has been scored as a high severity vulnerability.
How to fix CVE-2015-5166?
To fix CVE-2015-5166, 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-2015-5166 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2015-5166 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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