### [CVE-2018-3574](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-3574)
![](https://img.shields.io/static/v1?label=Product&message=Android%20for%20MSM%2C%20Firefox%20OS%20for%20MSM%2C%20QRD%20Android&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Improper%20Input%20Validation%20in%20Kernel&color=brighgreen)

### Description

In all android releases (Android for MSM, Firefox OS for MSM, QRD Android) from CAF using the linux kernel, userspace can request ION cache maintenance on a secure ION buffer for which the ION_FLAG_SECURE ion flag is not set and cause the kernel to attempt to perform cache maintenance on memory which does not belong to HLOS.

### POC

#### Reference
- https://support.blackberry.com/kb/articleDetail?language=en_US&articleNumber=000049462
- https://support.blackberry.com/kb/articleDetail?language=en_US&articleNumber=000049462

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