Security update for the Linux Kernel RT (Live Patch 1 for SUSE Linux Enterprise 16)

This update for the SUSE Linux Enterprise Kernel 6.12.0-160000.6.1 fixes various security issues The following security issues were fixed: - CVE-2025-40214: af_unix: Initialise scc_index in unix_add_edge() (bsc#1255052). - CVE-2025-40258: mptcp: fix race condition in mptcp_schedule_work() (bsc#1255053). - CVE-2025-40284: Bluetooth: MGMT: cancel mesh send timer when hdev removed (bsc#1257669). - CVE-2025-40297: net: bridge: fix use-after-free due to MST port state bypass (bsc#1255895). - CVE-2025-68284: libceph: prevent potential out-of-bounds writes in handle_auth_session_key() (bsc#1255378). - CVE-2025-68285: libceph: fix potential use-after-free in have_mon_and_osd_map() (bsc#1255402). - CVE-2025-68813: ipvs: fix ipv4 null-ptr-deref in route error path (bsc#1256644). - CVE-2025-71085: ipv6: BUG() in pskb_expand_head() as part of calipso_skbuff_setattr() (bsc#1256624).