cve/2022/CVE-2022-0480.md

### [CVE-2022-0480](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-0480)
![](https://img.shields.io/static/v1?label=Product&message=kernel&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3D%20Not%20Known%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-770%20-%20Allocation%20of%20Resources%20Without%20Limits%20or%20Throttling.&color=brighgreen)

### Description

A flaw was found in the filelock_init in fs/locks.c function in the Linux kernel. This issue can lead to host memory exhaustion due to memcg not limiting the number of Portable Operating System Interface (POSIX) file locks.

### POC

#### Reference
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0f12156dff2862ac54235fc72703f18770769042
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0f12156dff2862ac54235fc72703f18770769042
- https://github.com/kata-containers/kata-containers/issues/3373
- https://github.com/kata-containers/kata-containers/issues/3373
- https://ubuntu.com/security/CVE-2022-0480
- https://ubuntu.com/security/CVE-2022-0480

#### Github
- https://github.com/ARPSyndicate/cvemon