In the Linux kernel through 5.4.6, there are information leaks of uninitialized memory to a USB device in the drivers/net/can/usb/kvaser_usb/kvaser_usb_leaf.c driver, aka CID-da2311a6385c.
https://usn.ubuntu.com/4485-1/
https://usn.ubuntu.com/4427-1/
https://usn.ubuntu.com/4285-1/
https://usn.ubuntu.com/4284-1/
https://security.netapp.com/advisory/ntap-20200204-0002/
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/da2311a6385c3b499da2ed5d9be59ce331fa93e9