cve/2023/CVE-2023-4211.md

### [CVE-2023-4211](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-4211)
![](https://img.shields.io/static/v1?label=Product&message=Arm%205th%20Gen%20GPU%20Architecture%20Kernel%20%20Driver&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Bifrost%20GPU%20Kernel%20Driver&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Midgard%20GPU%20Kernel%20Driver&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Valhall%20GPU%20Kernel%20Driver&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=r0p0%3C%3D%20r42p0%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Version&message=r12p0%3C%3D%20r32p0%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Version&message=r19p0%3C%3D%20r42p0%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Version&message=r41p0%3C%3D%20r42p0%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-416%20Use%20after%20free&color=brighgreen)

### Description

A local non-privileged user can make improper GPU memory processing operations  to gain access to already freed memory.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/Moonshieldgru/Moonshieldgru
- https://github.com/Ostorlab/KEV
- https://github.com/Ostorlab/known_exploited_vulnerbilities_detectors
- https://github.com/RENANZG/My-Forensics
- https://github.com/xairy/linux-kernel-exploitation