CVEs-PoC/2021/CVE-2021-26340.md

### [CVE-2021-26340](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26340)
![](https://img.shields.io/static/v1?label=Product&message=AMD%20EPYC%E2%84%A2&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=Processor%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=NA&color=brightgreen)

### Description

A malicious hypervisor in conjunction with an unprivileged attacker process inside an SEV/SEV-ES guest VM may fail to flush the Translation Lookaside Buffer (TLB) resulting in unexpected behavior inside the virtual machine (VM).

### POC

#### Reference
- https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1023

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