cve/2020/CVE-2020-11935.md

### [CVE-2020-11935](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11935)
![](https://img.shields.io/static/v1?label=Product&message=Linux%20kernel%20(aufs%20filesystem%20module)&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=4.4!%3E%3D%204.4.0-186.216%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-911%20Improper%20Update%20of%20Reference%20Count&color=brighgreen)

### Description

It was discovered that aufs improperly managed inode reference counts in the vfsub_dentry_open() method. A local attacker could use this vulnerability to cause a denial of service attack.

### POC

#### Reference
- https://ubuntu.com/security/CVE-2020-11935
- https://ubuntu.com/security/CVE-2020-11935

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