cve/2015/CVE-2015-8555.md

### [CVE-2015-8555](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8555)
![](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 4.6.x, 4.5.x, 4.4.x, 4.3.x, and earlier do not initialize x86 FPU stack and XMM registers when XSAVE/XRSTOR are not used to manage guest extended register state, which allows local guest domains to obtain sensitive information from other domains via unspecified vectors.

### POC

#### Reference
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html

#### Github
No PoCs found on GitHub currently.