In the Linux kernel before 5.3.11, there is a use-after-free bug that can be caused by a malicious USB device in the drivers/net/can/usb/mcba_usb.c driver, aka CID-4d6636498c41.
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00029.html
http://www.openwall.com/lists/oss-security/2019/12/03/4
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.11
https://usn.ubuntu.com/4225-1/
https://usn.ubuntu.com/4225-2/
https://usn.ubuntu.com/4226-1/
Source: MITRE
Published: 2019-12-03
Updated: 2020-08-12
Type: CWE-416
Base Score: 6.9
Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C
Impact Score: 10
Exploitability Score: 3.4
Severity: MEDIUM
Base Score: 6.3
Vector: CVSS:3.1/AV:P/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 0.4
Severity: MEDIUM