### [CVE-2015-8953](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8953)
![](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)
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### Description

fs/overlayfs/copy_up.c in the Linux kernel before 4.2.6 uses an incorrect cleanup code path, which allows local users to cause a denial of service (dentry reference leak) via filesystem operations on a large file in a lower overlayfs layer.

### POC

#### Reference
- http://www.openwall.com/lists/oss-security/2016/08/23/9

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