Servers and applications
CVE-2017-10921
The grant-table feature in Xen through 4.8.x does not ensure sufficient type counts for a GNTMAP_device_map and GNTMAP_host_map mapping, which allows guest OS users to cause a denial of service (count mismanagement and memory corruption) or obtain privileged host OS access, aka XSA-224 bug 2.
- Severity
- Critical 10.0
- Published
- 5 Jul 2017
- Last changed
- 17 Jun 2026
- Added to UpHeron
- 1 Nov 2026
- Exploit chance
- 2.5% in the next 30 daysHigher than 85% of CVEs. EPSS by FIRST, 11 Nov 2026
- Sources
- NVD
Affected software
| Software | Affected versions |
|---|---|
XenServers and applications · cpe:o:xen:xen |
|