Servers and applications
CVE-2017-10917
Xen through 4.8.x does not validate the port numbers of polled event channel ports, which allows guest OS users to cause a denial of service (NULL pointer dereference and host OS crash) or possibly obtain sensitive information, aka XSA-221.
- Severity
- Critical 9.1
- Published
- 5 Jul 2017
- Last changed
- 17 Jun 2026
- Added to UpHeron
- 1 Nov 2026
- Exploit chance
- 2.6% 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 |
|