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CVE-2016-4486

Description

The rtnl_fill_link_ifmap function in net/core/rtnetlink.c in the Linux kernel before 4.5.5 does not initialize a certain data structure, which allows local users to obtain sensitive information from kernel stack memory by reading a Netlink message.

POC

Reference

- http://www.ubuntu.com/usn/USN-3000-1

- http://www.ubuntu.com/usn/USN-3002-1

- http://www.ubuntu.com/usn/USN-3003-1

- http://www.ubuntu.com/usn/USN-3004-1

- https://www.exploit-db.com/exploits/46006/

Github

- https://github.com/ARPSyndicate/cvemon

- https://github.com/bcoles/kasld