In the Linux kernel before 5.6.1, drivers/media/usb/gspca/xirlink_cit.c (aka the Xirlink camera USB driver) mishandles invalid descriptors, aka CID-a246b4d54770.
https://www.debian.org/security/2020/dsa-4698
https://usn.ubuntu.com/4369-1/
https://usn.ubuntu.com/4368-1/
https://usn.ubuntu.com/4364-1/
https://usn.ubuntu.com/4345-1/
https://security.netapp.com/advisory/ntap-20200430-0004/
https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html
https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html
https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html
https://github.com/torvalds/linux/commit/a246b4d547708f33ff4d4b9a7a5dbac741dc89d8
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.1