cve/2005/CVE-2005-4783.md

### [CVE-2005-4783](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-4783)
![](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

kernfs_xread in kernfs_vnops.c in NetBSD before 20050831 does not check for a negative offset when reading the message buffer, which allows local users to read arbitrary kernel memory.

### POC

#### Reference
- http://www.packetstormsecurity.org/0601-advisories/NetBSD-SA2006-001.txt

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