cve/2023/CVE-2023-22613.md

### [CVE-2023-22613](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-22613)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen)

### Description

An issue was discovered in IhisiSmm in Insyde InsydeH2O with kernel 5.0 through 5.5. It is possible to write to an attacker-controlled address. An attacker could invoke an SMI handler with a malformed pointer in RCX that overlaps SMRAM, resulting in SMM memory corruption.

### POC

#### Reference
- https://research.nccgroup.com/2023/04/11/stepping-insyde-system-management-mode/

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