CVEs-PoC/2018/CVE-2018-14611.md

### [CVE-2018-14611](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-14611)
![](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 use-after-free in try_merge_free_space() when mounting a crafted btrfs image, because of a lack of chunk type flag checks in btrfs_check_chunk_valid in fs/btrfs/volumes.c.

### POC

#### Reference
- https://usn.ubuntu.com/3932-1/
- https://usn.ubuntu.com/4118-1/

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