CVE-2017-8905

Description

Xen through 4.6.x on 64-bit platforms mishandles a failsafe callback, which might allow PV guest OS users to execute arbitrary code on the host OS, aka XSA-215.

Category

8.8
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.09%
Vendor Advisory gentoo.org Vendor Advisory xenproject.org Vendor Advisory xen.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://security.gentoo.org/glsa/201705-11 vendor advisory
http://www.securitytracker.com/id/1038388 vdb entry
https://xenbits.xen.org/xsa/advisory-215.html patch vendor advisory mitigation
http://www.securityfocus.com/bid/98436 vdb entry
https://blog.xenproject.org/2017/05/02/updates-on-xsa-213-xsa-214-and-xsa-215/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2017-8905?
CVE-2017-8905 has been scored as a high severity vulnerability.
How to fix CVE-2017-8905?
To fix CVE-2017-8905, 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-2017-8905 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-8905 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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