CVE-2017-14317

Description

A domain cleanup issue was discovered in the C xenstore daemon (aka cxenstored) in Xen through 4.9.x. When shutting down a VM with a stubdomain, a race in cxenstored may cause a double-free. The xenstored daemon may crash, resulting in a DoS of any parts of the system relying on it (including domain creation / destruction, ballooning, device changes, etc.).

Category

5.6
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.06%
Vendor Advisory debian.org Vendor Advisory xen.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.securitytracker.com/id/1039350 vdb entry third party advisory
http://xenbits.xen.org/xsa/advisory-233.html patch vendor advisory
https://www.debian.org/security/2017/dsa-4050 vendor advisory
https://lists.debian.org/debian-lts-announce/2018/10/msg00009.html mailing list
http://www.securityfocus.com/bid/100826 vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2017-14317?
CVE-2017-14317 has been scored as a medium severity vulnerability.
How to fix CVE-2017-14317?
To fix CVE-2017-14317, 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-2017-14317 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-14317 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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