Vulnerability Description
The grant-table feature in Xen through 4.8.x mishandles MMIO region grant references, which allows guest OS users to cause a denial of service (loss of grant trackability), aka XSA-224 bug 3.
CVSS Score
7.5
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Xen | Xen | <= 4.8.1 |
Related Weaknesses (CWE)
References
- http://www.debian.org/security/2017/dsa-3969
- http://www.securitytracker.com/id/1038734
- https://security.gentoo.org/glsa/201708-03
- https://security.gentoo.org/glsa/201710-17
- https://xenbits.xen.org/xsa/advisory-224.htmlPatchVendor Advisory
- http://www.debian.org/security/2017/dsa-3969
- http://www.securitytracker.com/id/1038734
- https://security.gentoo.org/glsa/201708-03
- https://security.gentoo.org/glsa/201710-17
- https://xenbits.xen.org/xsa/advisory-224.htmlPatchVendor Advisory
FAQ
What is CVE-2017-10922?
CVE-2017-10922 is a vulnerability with a CVSS score of 7.5 (HIGH). The grant-table feature in Xen through 4.8.x mishandles MMIO region grant references, which allows guest OS users to cause a denial of service (loss of grant trackability), aka XSA-224 bug 3.
How severe is CVE-2017-10922?
CVE-2017-10922 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2017-10922?
Check the references section above for vendor advisories and patch information. Affected products include: Xen Xen.