Red Hat Security Advisory: kernel-alt security and bug fix update

CVE-2018-16871 — kernel: nfs: NULL pointer dereference due to an anomalized NFS message sequence CVE-2019-3459 — kernel: Heap address information leak while using L2CAP_GET_CONF_OPT CVE-2019-3460 — kernel: Heap address information leak while using L2CAP_PARSE_CONF_RSP CVE-2019-11884 — kernel: sensitive information disclosure from kernel stack memory via HIDPCONNADD command CVE-2019-15030 — kernel: powerpc: local user can read vector registers of other users' processes via a Facility Unavailable exception CVE-2019-15916 — kernel: memory leak in register_queue_kobjects() in net/core/net-sysfs.c leads to denial of service CVE-2019-17666 — kernel: rtl_p2p_noa_ie in drivers/net/wireless/realtek/rtlwifi/ps.c in the Linux kernel lacks a certain upper-bound check, leading to a buffer overflow CVE-2019-18805 — kernel: integer overflow in tcp_ack_update_rtt in net/ipv4/tcp_input.c