cve/2015/CVE-2015-4103.md

### [CVE-2015-4103](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-4103)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen)

### Description

Xen 3.3.x through 4.5.x does not properly restrict write access to the host MSI message data field, which allows local x86 HVM guest administrators to cause a denial of service (host interrupt handling confusion) via vectors related to qemu and accessing spanning multiple fields.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/pigram86/cookbook-xs-maintenance