CVEs-PoC/2021/CVE-2021-26339.md

### [CVE-2021-26339](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26339)
![](https://img.shields.io/static/v1?label=Product&message=%20Athlon%E2%84%A2%20Series%20&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=%20EPYC%E2%84%A2%20Processors%20&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Ryzen%E2%84%A2%20Series%20&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3D%20various%20%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Version&message=%3D%20various%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=tbd&color=brighgreen)

### Description

A bug in AMD CPU’s core logic may allow for an attacker, using specific code from an unprivileged VM, to trigger a CPU core hang resulting in a potential denial of service. AMD believes the specific code includes a specific x86 instruction sequence that would not be generated by compilers.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/ep-infosec/50_google_silifuzz
- https://github.com/google/silifuzz