system
Provide references for <CVE-2019-18786>.
user
Where can I find more information about <CVE-2019-18786>?
assistant
References are available at: https://patchwork.linuxtv.org/patch/59542/, https://usn.ubuntu.com/4285-1/, https://usn.ubuntu.com/4287-1/, https://usn.ubuntu.com/4287-2/, https://usn.ubuntu.com/4284-1/.