CVE-2017-10917
UnknownEPSS 2.57%
Last modified
CVE-2017-10917 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 2.57% chance of exploitation in the next 30 days.
Description
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Xen | Xen | <= 4.8.1 |
References
- https://xenbits.xen.org/xsa/advisory-221.htmlMailing List, Mitigation, Third Party Advisory
- https://xenbits.xen.org/xsa/advisory-221.htmlMailing List, Mitigation, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2017-10917?
Severity scoring for CVE-2017-10917 is pending analysis. The EPSS model estimates a 2.57% probability of exploitation in the next 30 days.
How do I fix CVE-2017-10917?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2017-10917?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST