cve/2018/CVE-2018-14615.md

### [CVE-2018-14615](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-14615)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen)

### Description

An issue was discovered in the Linux kernel through 4.17.10. There is a buffer overflow in truncate_inline_inode() in fs/f2fs/inline.c when umounting an f2fs image, because a length value may be negative.

### POC

#### Reference
- https://bugzilla.kernel.org/show_bug.cgi?id=200421
- https://usn.ubuntu.com/4118-1/

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