CVE-2016-9377
UnknownEPSS 0.39%
Last modified
CVE-2016-9377 is a vulnerability of currently unknown severity. Xen 4.5.x through 4.7.x on AMD systems without the NRip feature, when emulating instructions that generate software interrupts, allows local HVM guest OS users to cause a denial of service (guest crash) by leveraging IDT entry miscalculation.. EPSS estimates a 0.39% chance of exploitation in the next 30 days.
Description
Xen 4.5.x through 4.7.x on AMD systems without the NRip feature, when emulating instructions that generate software interrupts, allows local HVM guest OS users to cause a denial of service (guest crash) by leveraging IDT entry miscalculation.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Xen | Xen | 4.5.0 |
| Xen | Xen | 4.5.1 |
| Xen | Xen | 4.5.2 |
| Xen | Xen | 4.5.3 |
| Xen | Xen | 4.5.5 |
| Xen | Xen | 4.6.0 |
| Xen | Xen | 4.6.1 |
| Xen | Xen | 4.6.3 |
| Xen | Xen | 4.6.4 |
| Xen | Xen | 4.7.0 |
| Xen | Xen | 4.7.1 |
References
- http://xenbits.xen.org/xsa/advisory-196.htmlPatch, Vendor Advisory
- http://xenbits.xen.org/xsa/advisory-196.htmlPatch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2016-9377?
Xen 4.5.x through 4.7.x on AMD systems without the NRip feature, when emulating instructions that generate software interrupts, allows local HVM guest OS users to cause a denial of service (guest crash) by leveraging IDT entry miscalculation.
How severe is CVE-2016-9377?
Severity scoring for CVE-2016-9377 is pending analysis. The EPSS model estimates a 0.39% probability of exploitation in the next 30 days.
How do I fix CVE-2016-9377?
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.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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Are you affected by CVE-2016-9377?
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