CVEs-PoC/2021/CVE-2021-26311.md

### [CVE-2021-26311](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26311)
![](https://img.shields.io/static/v1?label=Product&message=SEV%2FSEV-ES&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=unspecified%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Arbitrary%20Code%20Execution&color=brightgreen)

### Description

In the AMD SEV/SEV-ES feature, memory can be rearranged in the guest address space that is not detected by the attestation mechanism which could be used by a malicious hypervisor to potentially lead to arbitrary code execution within the guest VM if a malicious administrator has access to compromise the server hypervisor.

### POC

#### Reference
- https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1004

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