cve/2018/CVE-2018-13096.md

### [CVE-2018-13096](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-13096)
![](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 fs/f2fs/super.c in the Linux kernel through 4.14. A denial of service (out-of-bounds memory access and BUG) can occur upon encountering an abnormal bitmap size when mounting a crafted f2fs image.

### POC

#### Reference
- http://packetstormsecurity.com/files/151420/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html
- http://packetstormsecurity.com/files/151420/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html
- https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=e34438c903b653daca2b2a7de95aed46226f8ed3
- https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=e34438c903b653daca2b2a7de95aed46226f8ed3
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e34438c903b653daca2b2a7de95aed46226f8ed3
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e34438c903b653daca2b2a7de95aed46226f8ed3
- https://usn.ubuntu.com/3821-1/
- https://usn.ubuntu.com/3821-1/
- https://usn.ubuntu.com/3821-2/
- https://usn.ubuntu.com/3821-2/
- https://usn.ubuntu.com/4118-1/
- https://usn.ubuntu.com/4118-1/

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