CVEs-PoC/2021/CVE-2021-39793.md

### [CVE-2021-39793](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-39793)
![](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 kbase_jd_user_buf_pin_pages of mali_kbase_mem.c, there is a possible out of bounds write due to a logic error in the code. 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-210470189References: N/A

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/IdanBanani/Linux-Kernel-VR-Exploitation
- https://github.com/Ostorlab/KEV
- https://github.com/Ostorlab/known_exploited_vulnerbilities_detectors