A memory leak in the gs_can_open() function in drivers/net/can/usb/gs_usb.c in the Linux kernel before 5.3.11 allows attackers to cause a denial of service (memory consumption) by triggering usb_submit_urb() failures, aka CID-fb5be6a7b486.
https://www.oracle.com/security-alerts/cpuApr2021.html
https://usn.ubuntu.com/4228-2/
https://usn.ubuntu.com/4228-1/
https://usn.ubuntu.com/4227-2/
https://usn.ubuntu.com/4227-1/
https://usn.ubuntu.com/4226-1/
https://usn.ubuntu.com/4225-2/
https://usn.ubuntu.com/4225-1/
https://security.netapp.com/advisory/ntap-20191205-0001/
https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html
https://lists.debian.org/debian-lts-announce/2020/01/msg00013.html
https://github.com/torvalds/linux/commit/fb5be6a7b4863ecc44963bb80ca614584b6c7817
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.11
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00029.html