cve/2021/CVE-2021-1894.md

### [CVE-2021-1894](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-1894)
![](https://img.shields.io/static/v1?label=Product&message=Snapdragon%20Auto%2C%20Snapdragon%20Compute%2C%20Snapdragon%20Connectivity%2C%20Snapdragon%20Consumer%20IOT%2C%20Snapdragon%20Industrial%20IOT%2C%20Snapdragon%20Voice%20%26%20Music%2C%20Snapdragon%20Wired%20Infrastructure%20and%20Networking&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Permissions%2C%20Privileges%20and%20Access%20Controls%20in%20TrustZone&color=brighgreen)

### Description

Improper access control in TrustZone due to improper error handling while handling the signing key in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking

### POC

#### Reference
- https://www.qualcomm.com/company/product-security/bulletins/december-2021-bulletin

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