SUSE: 2020:4371-1 Critical: Linux Kernel Live Patch Security Fix

This update for the Linux Kernel 4.12.14-94_41 fixes several issues. The following security issues were fixed: - CVE-2019-15917: Fixed a use-after-free when hci_uart_register_dev() fails in hci_uart_set_proto() (bsc#1156334). - CVE-2018-20856: Fixed a use-after-free in block/blk-core.c due to improper error handling (bsc#1156331). - CVE-2019-13272: Fixed a privilege escalation from user to root due to improper handling of credentials by leveraging certain scenarios with a parent-child process relationship (bsc#1156321). - CVE-2018-16871: Fixed an issue where an attacker, who could mount an exported NFS filesystem, was able to trigger a null pointer dereference by using an invalid NFS sequence leading to kernel panic and deny of access to the NFS server (bsc#1156320).