cve/2023/CVE-2023-20592.md

### [CVE-2023-20592](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-20592)
![](https://img.shields.io/static/v1?label=Product&message=1st%20Gen%20AMD%20EPYC%E2%84%A2%20Processors&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=2nd%20Gen%20AMD%20EPYC%E2%84%A2%20Processors&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=3rd%20Gen%20AMD%20EPYC%E2%84%A2%20Processors%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=Vulnerability&message=n%2Fa&color=brighgreen)

### Description

Improper or unexpected behavior of the INVD instruction in some AMD CPUs may allow an attacker with a malicious hypervisor to affect cache line write-back behavior of the CPU leading to a potential loss of guest virtual machine (VM) memory integrity.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/cispa/CacheWarp