### [CVE-2021-26318](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26318)
![](https://img.shields.io/static/v1?label=Product&message=All%20supported%20processors&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=unspecified%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-208%20Information%20Exposure%20Through%20Timing%20Discrepancy&color=brightgreen)

### Description

A timing and power-based side channel attack leveraging the x86 PREFETCH instructions on some AMD CPUs could potentially result in leaked kernel address space information.

### POC

#### Reference
- https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1017

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/bcoles/kasld
- https://github.com/eigenform/perfect
- https://github.com/un1x01d/scripts