CVEs-PoC/2014/CVE-2014-8481.md

### [CVE-2014-8481](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-8481)
![](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

The instruction decoder in arch/x86/kvm/emulate.c in the KVM subsystem in the Linux kernel before 3.18-rc2 does not properly handle invalid instructions, which allows guest OS users to cause a denial of service (NULL pointer dereference and host OS crash) via a crafted application that triggers (1) an improperly fetched instruction or (2) an instruction that occupies too many bytes.  NOTE: this vulnerability exists because of an incomplete fix for CVE-2014-8480.

### POC

#### Reference
- http://www.openwall.com/lists/oss-security/2014/10/23/7

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