In the Linux kernel before 5.3.7, there is a use-after-free bug that can be caused by a malicious USB device in the drivers/usb/misc/iowarrior.c driver, aka CID-edc4746f253d.
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.7
http://www.openwall.com/lists/oss-security/2019/12/03/4
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00029.html