An issue was discovered in the Linux kernel before 4.19.9. The USB subsystem mishandles size checks during the reading of an extra descriptor, related to __usb_get_extra_descriptor in drivers/usb/core/usb.c.
https://usn.ubuntu.com/4118-1/
https://usn.ubuntu.com/4094-1/
https://usn.ubuntu.com/3879-2/
https://usn.ubuntu.com/3879-1/
https://lists.debian.org/debian-lts-announce/2019/05/msg00002.html
https://lists.debian.org/debian-lts-announce/2019/04/msg00004.html
https://lists.debian.org/debian-lts-announce/2019/03/msg00034.html
https://github.com/torvalds/linux/commit/704620afc70cf47abb9d6a1a57f3825d2bca49cf
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.9
https://access.redhat.com/errata/RHSA-2019:3517