The vhci_hcd driver in the Linux Kernel before version 4.14.8 and 4.4.114 allows allows local attackers to disclose kernel memory addresses. Successful exploitation requires that a USB device is attached over IP.
https://www.spinics.net/lists/linux-usb/msg163480.html
https://www.debian.org/security/2018/dsa-4187
https://usn.ubuntu.com/3754-1/
https://usn.ubuntu.com/3619-2/
https://usn.ubuntu.com/3619-1/
https://secuniaresearch.flexerasoftware.com/secunia_research/2017-20/
https://secuniaresearch.flexerasoftware.com/advisories/80454/
https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.114
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.8