cve/2023/CVE-2023-20928.md

### [CVE-2023-20928](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-20928)
![](https://img.shields.io/static/v1?label=Product&message=Android&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Elevation%20of%20privilege&color=brighgreen)

### Description

In binder_vma_close of binder.c, there is a possible use after free due to improper locking. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-254837884References: Upstream kernel

### POC

#### Reference
- http://packetstormsecurity.com/files/170855/Android-Binder-VMA-Management-Security-Issues.html

#### Github
- https://github.com/ARPSyndicate/cvemon