cve/2017/CVE-2017-7495.md

### [CVE-2017-7495](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7495)
![](https://img.shields.io/static/v1?label=Product&message=Linux%20kernel%20before%204.6.2&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3D%20Linux%20kernel%20before%204.6.2%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=filesystem%20mishandling&color=brighgreen)

### Description

fs/ext4/inode.c in the Linux kernel before 4.6.2, when ext4 data=ordered mode is used, mishandles a needs-flushing-before-commit list, which allows local users to obtain sensitive information from other users' files in opportunistic circumstances by waiting for a hardware reset, creating a new file, making write system calls, and reading this file.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/thdusdl1219/CVE-Study