CVEs-PoC/2021/CVE-2021-25407.md

### [CVE-2021-25407](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-25407)
![](https://img.shields.io/static/v1?label=Product&message=Samsung%20Mobile%20Devices&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=P(9.0)%2C%20Q(10.0)%2C%20R(11.0)%20devices%20with%20Exynos9820%2C%209830%2C%20980%2C%202100%20chipsets%3C%20SMR%20JUN-2021%20Release%201%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-787%3A%20Out-of-bounds%20Write&color=brighgreen)

### Description

A possible out of bounds write vulnerability in NPU driver prior to SMR JUN-2021 Release 1 allows arbitrary memory write.

### POC

#### Reference
- http://packetstormsecurity.com/files/163198/Samsung-NPU-npu_session_format-Out-Of-Bounds-Write.html
- https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=6

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