cve/2023/CVE-2023-7152.md

### [CVE-2023-7152](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-7152)
![](https://img.shields.io/static/v1?label=Product&message=MicroPython&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3D%201.21.0%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-416%20Use%20After%20Free&color=brighgreen)

### Description

A vulnerability, which was classified as critical, has been found in MicroPython 1.21.0/1.22.0-preview. Affected by this issue is the function poll_set_add_fd of the file extmod/modselect.c. The manipulation leads to use after free. The exploit has been disclosed to the public and may be used. The patch is identified as 8b24aa36ba978eafc6114b6798b47b7bfecdca26. It is recommended to apply a patch to fix this issue. VDB-249158 is the identifier assigned to this vulnerability.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/fkie-cad/nvd-json-data-feeds