cve/2015/CVE-2015-5697.md

### [CVE-2015-5697](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-5697)
![](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

The get_bitmap_file function in drivers/md/md.c in the Linux kernel before 4.1.6 does not initialize a certain bitmap data structure, which allows local users to obtain sensitive information from kernel memory via a GET_BITMAP_FILE ioctl call.

### POC

#### Reference
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
- http://www.ubuntu.com/usn/USN-2732-1
- https://github.com/torvalds/linux/commit/b6878d9e03043695dbf3fa1caa6dfc09db225b16

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