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CVE-2015-5697

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.