cve/2021/CVE-2021-39674.md

### [CVE-2021-39674](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-39674)
![](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 btm_sec_connected and btm_sec_disconnected of btm_sec.cc file , there is a possible use after free. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12Android ID: A-201083442

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/NaInSec/CVE-PoC-in-GitHub
- https://github.com/SYRTI/POC_to_review
- https://github.com/WhooAmii/POC_to_review
- https://github.com/nidhi7598/system_bt_AOSP_10_r33_CVE-2021-39674
- https://github.com/nomi-sec/PoC-in-GitHub
- https://github.com/trhacknon/Pocingit
- https://github.com/zecool/cve