CVE-2016-4963
UnknownEPSS 0.30%
Last modified
CVE-2016-4963 is a vulnerability of currently unknown severity. The libxl device-handling in Xen through 4.6.x allows local guest OS users with access to the driver domain to cause a denial of service (management tool confusion) by manipulating information in the backend directories in xenstore.. EPSS estimates a 0.30% chance of exploitation in the next 30 days.
Description
The libxl device-handling in Xen through 4.6.x allows local guest OS users with access to the driver domain to cause a denial of service (management tool confusion) by manipulating information in the backend directories in xenstore.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Xen | Xen | 4.0.0 |
| Xen | Xen | 4.0.1 |
| Xen | Xen | 4.0.2 |
| Xen | Xen | 4.0.3 |
| Xen | Xen | 4.0.4 |
| Xen | Xen | 4.1.0 |
| Xen | Xen | 4.1.1 |
| Xen | Xen | 4.1.2 |
| Xen | Xen | 4.1.3 |
| Xen | Xen | 4.1.4 |
| Xen | Xen | 4.1.5 |
| Xen | Xen | 4.1.6 |
| Xen | Xen | 4.1.6.1 |
| Xen | Xen | 4.2.0 |
| Xen | Xen | 4.2.1 |
| Xen | Xen | 4.2.2 |
| Xen | Xen | 4.2.3 |
| Xen | Xen | 4.2.4 |
| Xen | Xen | 4.2.5 |
| Xen | Xen | 4.3.0 |
| Xen | Xen | 4.3.1 |
| Xen | Xen | 4.3.2 |
| Xen | Xen | 4.3.3 |
| Xen | Xen | 4.3.4 |
| Xen | Xen | 4.4.0 |
| Xen | Xen | 4.4.1 |
| Xen | Xen | 4.4.2 |
| Xen | Xen | 4.4.3 |
| Xen | Xen | 4.4.4 |
| Xen | Xen | 4.5.0 |
| Xen | Xen | 4.5.1 |
| Xen | Xen | 4.5.2 |
| Xen | Xen | 4.5.3 |
| Xen | Xen | 4.6.0 |
| Xen | Xen | 4.6.1 |
References
- http://xenbits.xen.org/xsa/advisory-178.htmlVendor Advisory
- http://xenbits.xen.org/xsa/advisory-178.htmlVendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2016-4963?
The libxl device-handling in Xen through 4.6.x allows local guest OS users with access to the driver domain to cause a denial of service (management tool confusion) by manipulating information in the backend directories in xenstore.
How severe is CVE-2016-4963?
Severity scoring for CVE-2016-4963 is pending analysis. The EPSS model estimates a 0.30% probability of exploitation in the next 30 days.
How do I fix CVE-2016-4963?
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.
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Are you affected by CVE-2016-4963?
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