CVE-2017-15596

Description

An issue was discovered in Xen 4.4.x through 4.9.x allowing ARM guest OS users to cause a denial of service (prevent physical CPU usage) because of lock mishandling upon detection of an add-to-physmap error.

Category

6.0
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.08%
Vendor Advisory debian.org Vendor Advisory xen.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.debian.org/security/2017/dsa-3969 vendor advisory
https://xenbits.xen.org/xsa/advisory-235.html patch vendor advisory mitigation
http://www.securitytracker.com/id/1039568 vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2017-15596?
CVE-2017-15596 has been scored as a medium severity vulnerability.
How to fix CVE-2017-15596?
To fix CVE-2017-15596, 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-2017-15596 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-15596 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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