CVE-2017-8903
UnknownEPSS 0.49%
Last modified
CVE-2017-8903 is a vulnerability of currently unknown severity. Xen through 4.8.x on 64-bit platforms mishandles page tables after an IRET hypercall, which might allow PV guest OS users to execute arbitrary code on the host OS, aka XSA-213.. EPSS estimates a 0.49% chance of exploitation in the next 30 days.
Description
Xen through 4.8.x on 64-bit platforms mishandles page tables after an IRET hypercall, which might allow PV guest OS users to execute arbitrary code on the host OS, aka XSA-213.
Metrics
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Xen | Xen | 4.8.0 |
| Xen | Xen | 4.8.1 |
References
- https://xenbits.xen.org/xsa/advisory-213.htmlMitigation, Patch, Vendor Advisory
- https://xenbits.xen.org/xsa/advisory-213.htmlMitigation, Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2017-8903?
Xen through 4.8.x on 64-bit platforms mishandles page tables after an IRET hypercall, which might allow PV guest OS users to execute arbitrary code on the host OS, aka XSA-213.
How severe is CVE-2017-8903?
Severity scoring for CVE-2017-8903 is pending analysis. The EPSS model estimates a 0.49% probability of exploitation in the next 30 days.
How do I fix CVE-2017-8903?
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-2017-8903?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST