The Linux kernel is vulnerable to memory leak. usbtest_disconnect in drivers/usb/misc/usbtest.c has a memory leak, aka CID-28ebeb8db770.
lists.opensuse.org/opensuse-security-announce/2020-07/msg00071.html
lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html
git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=831eebad70a25f55b5745453ac252d4afe997187
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=28ebeb8db77035e058a510ce9bd17c2b9a009dba
lists.debian.org/debian-lts-announce/2020/08/msg00019.html
lists.debian.org/debian-lts-announce/2020/10/msg00032.html
lists.debian.org/debian-lts-announce/2020/10/msg00034.html
lkml.org/lkml/2020/6/2/968
usn.ubuntu.com/4463-1/
usn.ubuntu.com/4465-1/
usn.ubuntu.com/4483-1/
usn.ubuntu.com/4485-1/