An issue was discovered in the Linux kernel before 5.1.17. There is a NULL pointer dereference caused by a malicious USB device in the sound/usb/line6/pcm.c driver.
lists.opensuse.org/opensuse-security-announce/2019-09/msg00064.html
lists.opensuse.org/opensuse-security-announce/2019-09/msg00066.html
www.openwall.com/lists/oss-security/2019/08/20/2
cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.1.17
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3450121997ce872eb7f1248417225827ea249710
lists.debian.org/debian-lts-announce/2019/09/msg00014.html
lists.debian.org/debian-lts-announce/2019/09/msg00015.html
lists.debian.org/debian-lts-announce/2019/09/msg00025.html
security.netapp.com/advisory/ntap-20190905-0002/
syzkaller.appspot.com/bug?id=240f09164db2c3d3af33a117c713dc7650dc29d6
usn.ubuntu.com/4115-1/
usn.ubuntu.com/4118-1/
usn.ubuntu.com/4147-1/
usn.ubuntu.com/4286-1/
usn.ubuntu.com/4286-2/