In parse_hid_report_descriptor in drivers/input/tablet/gtco.c in the Linux kernel through 5.2.1, a malicious USB device can send an HID report that triggers an out-of-bounds write during generation of debugging messages.
https://www.debian.org/security/2019/dsa-4497
https://www.debian.org/security/2019/dsa-4495
https://usn.ubuntu.com/4147-1/
https://usn.ubuntu.com/4145-1/
https://usn.ubuntu.com/4118-1/
https://usn.ubuntu.com/4115-1/
https://security.netapp.com/advisory/ntap-20190806-0001/
https://seclists.org/bugtraq/2019/Aug/26
https://seclists.org/bugtraq/2019/Aug/18
https://seclists.org/bugtraq/2019/Aug/13
https://patchwork.kernel.org/patch/11040813/
https://lists.debian.org/debian-lts-announce/2019/08/msg00017.html
https://lists.debian.org/debian-lts-announce/2019/08/msg00016.html
http://www.securityfocus.com/bid/109291
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00056.html
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00055.html