QEMU (aka Quick Emulator), when built with USB xHCI controller emulator support, allows local guest OS privileged users to cause a denial of service (infinite recursive call) via vectors involving control transfer descriptors sequencing.
https://lists.debian.org/debian-lts-announce/2019/09/msg00021.html
https://bugzilla.redhat.com/show_bug.cgi?id=1458744
https://access.redhat.com/errata/RHSA-2017:2408
https://access.redhat.com/errata/RHSA-2017:2392
http://www.securityfocus.com/bid/98915