An issue was discovered in the Linux kernel before 5.2.1. There is a use-after-free caused by a malicious USB device in the drivers/net/wireless/intersil/p54/p54usb.c driver.
https://usn.ubuntu.com/4286-2/
https://usn.ubuntu.com/4286-1/
https://usn.ubuntu.com/4147-1/
https://usn.ubuntu.com/4118-1/
https://usn.ubuntu.com/4115-1/
https://syzkaller.appspot.com/bug?id=082c09653e43e33a6a56f8c57cf051eeacae9d5f
https://security.netapp.com/advisory/ntap-20190905-0002/
https://lists.debian.org/debian-lts-announce/2019/09/msg00025.html
https://lists.debian.org/debian-lts-announce/2019/09/msg00015.html
https://lists.debian.org/debian-lts-announce/2019/09/msg00014.html
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2.1
http://www.openwall.com/lists/oss-security/2019/08/20/2
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00066.html
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00064.html