CVEs-PoC/2021/CVE-2021-25339.md

### [CVE-2021-25339](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-25339)
![](https://img.shields.io/static/v1?label=Product&message=Samsung%20Mobile%20Devices&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=Selected%20Q(10.0)%2C%20R(11.0)%3C%20SMR%20Mar-2021%20Release%201%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-20%20Improper%20Input%20Validation&color=brighgreen)

### Description

Improper address validation in HArx in Samsung mobile devices prior to SMR Mar-2021 Release 1 allows an attacker, given a compromised kernel, to corrupt EL2 memory.

### POC

#### Reference
- https://security.samsungmobile.com/securityUpdate.smsb

#### Github
No PoCs found on GitHub currently.