An issue was discovered in the Linux kernel before 5.0.5. There is a use-after-free issue when hci_uart_register_dev() fails in hci_uart_set_proto() in drivers/bluetooth/hci_ldisc.c.
lists.opensuse.org/opensuse-security-announce/2019-09/msg00064.html
lists.opensuse.org/opensuse-security-announce/2019-09/msg00066.html
packetstormsecurity.com/files/155890/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html
cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.5
github.com/torvalds/linux/commit/56897b217a1d0a91c9920cb418d6b3fe922f590a
lists.debian.org/debian-lts-announce/2019/09/msg00025.html
lists.debian.org/debian-lts-announce/2020/03/msg00001.html
seclists.org/bugtraq/2020/Jan/10
security.netapp.com/advisory/ntap-20191004-0001/