CVEs-PoC/2021/CVE-2021-25415.md

### [CVE-2021-25415](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-25415)
![](https://img.shields.io/static/v1?label=Product&message=Samsung%20Mobile%20Devices&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=Q(10.0)%2C%20R(11.0)%20devices%20with%20Exynos9610%2C%209810%2C%209820%2C%209830%3C%20SMA%20JUN-2021%20Release%201%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-94%3A%20Improper%20Control%20of%20Generation%20of%20Code%20(Code%20Injection)&color=brighgreen)

### Description

Assuming EL1 is compromised, an improper address validation in RKP prior to SMR JUN-2021 Release 1 allows local attackers to remap EL2 memory as writable.

### POC

#### Reference
- https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=6

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