CVE-2017-10923

Description

Xen through 4.8.x does not validate a vCPU array index upon the sending of an SGI, which allows guest OS users to cause a denial of service (hypervisor crash), aka XSA-225.

Category

6.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.78% Top 30%
Vendor Advisory gentoo.org Vendor Advisory xen.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.securitytracker.com/id/1038735 vdb entry third party advisory
http://www.securityfocus.com/bid/99160 vdb entry tool signature
https://security.gentoo.org/glsa/201708-03 vendor advisory
https://xenbits.xen.org/xsa/advisory-225.html mailing list vendor advisory mitigation

Frequently Asked Questions

What is the severity of CVE-2017-10923?
CVE-2017-10923 has been scored as a medium severity vulnerability.
How to fix CVE-2017-10923?
To fix CVE-2017-10923, 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-2017-10923 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-10923 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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