check_input_term in sound/usb/mixer.c in the Linux kernel through 5.2.9 mishandles recursion, leading to kernel stack exhaustion.
lists.opensuse.org/opensuse-security-announce/2019-09/msg00064.html
lists.opensuse.org/opensuse-security-announce/2019-09/msg00066.html
packetstormsecurity.com/files/155212/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html
git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git/commit/?id=19bce474c45be69a284ecee660aa12d8f1e88f18
lists.debian.org/debian-lts-announce/2019/09/msg00025.html
lists.debian.org/debian-lts-announce/2019/10/msg00000.html
lore.kernel.org/lkml/20190815043554.16623-1-benquike%40gmail.com/
seclists.org/bugtraq/2019/Nov/11
seclists.org/bugtraq/2019/Sep/41
security.netapp.com/advisory/ntap-20190905-0002/
usn.ubuntu.com/4147-1/
usn.ubuntu.com/4162-1/
usn.ubuntu.com/4162-2/
usn.ubuntu.com/4163-1/
usn.ubuntu.com/4163-2/
www.debian.org/security/2019/dsa-4531