Vulnerability 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.
CVSS Score
6.5
MEDIUM
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Xen | Xen | 4.6.0 |
Related Weaknesses (CWE)
References
- http://www.securityfocus.com/bid/99160Tool SignatureVDB Entry
- http://www.securitytracker.com/id/1038735Third Party AdvisoryVDB Entry
- https://security.gentoo.org/glsa/201708-03
- https://xenbits.xen.org/xsa/advisory-225.htmlMailing ListMitigationVendor Advisory
- http://www.securityfocus.com/bid/99160Tool SignatureVDB Entry
- http://www.securitytracker.com/id/1038735Third Party AdvisoryVDB Entry
- https://security.gentoo.org/glsa/201708-03
- https://xenbits.xen.org/xsa/advisory-225.htmlMailing ListMitigationVendor Advisory
FAQ
What is CVE-2017-10923?
CVE-2017-10923 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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.
How severe is CVE-2017-10923?
CVE-2017-10923 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2017-10923?
Check the references section above for vendor advisories and patch information. Affected products include: Xen Xen.