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CVE-2016-2543

Description

The snd_seq_ioctl_remove_events function in sound/core/seq/seq_clientmgr.c in the Linux kernel before 4.4.1 does not verify FIFO assignment before proceeding with FIFO clearing, which allows local users to cause a denial of service (NULL pointer dereference and OOPS) via a crafted ioctl call.

POC

Reference

- http://www.ubuntu.com/usn/USN-2930-2

- http://www.ubuntu.com/usn/USN-2932-1

Github

No PoCs found on GitHub currently.