Security update for the Linux Kernel (Live Patch 19 for SLE 15 SP3)

This update for the Linux Kernel 5.3.18-150300_59_71 fixes several issues. The following security issues were fixed: - CVE-2023-28464: Fixed user-after-free that could lead to privilege escalation in hci_conn_cleanup in net/uetooth/hci_conn.c (bsc#1211111). - CVE-2023-1989: Fixed a use after free in btsdio_remove (bsc#1210500). - CVE-2023-1872: Fixed a use after free vulnerability in the io_uring subsystem, which could lead to local privilege escalation (bsc#1210417). - CVE-2023-1281: Fixed use after free that could lead to privilege escalation in tcindex (bsc#1209683). - CVE-2023-2162: Fixed an use-after-free flaw in iscsi_sw_tcp_session_create (bsc#1210662). - CVE-2023-0461: Fixed use-after-free in icsk_ulp_data (bsc#1208911). - CVE-2023-23454: Fixed a type-confusion in the CBQ network scheduler (bsc#1207188).