Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP3 RT kernel was updated to receive various security and bugfixes. The following security bugs were fixed: - CVE-2023-0461: Fixed use-after-free in icsk_ulp_data (bsc#1208787). - CVE-2023-28772: Fixed buffer overflow in seq_buf_putmem_hex in lib/seq_buf.c (bsc#1209549). - CVE-2023-1513: Fixed an uninitialized portions of the kvm_debugregs structure that could be copied to userspace, causing an information leak (bsc#1209532). - CVE-2023-28464: Fixed use-after-free that could lead to privilege escalation in hci_conn_cleanup in net/bluetooth/hci_conn.c (bsc#1209052). - CVE-2023-0394: Fixed a null pointer dereference flaw in the network subcomponent in the Linux kernel which could lead to system crash (bsc#1207168). - CVE-2023-28466: Fixed race condition that could lead to use-after-free or NULL pointer dereference in do_tls_getsockopt in net/tls/tls_main.c (bsc#1209366). - CVE-2021-3923: Fixed stack information leak vulnerability that could lead to kernel protection bypass in infiniband RDMA (bsc#1209778). - CVE-2023-1390: Fixed remote DoS vulnerability in tipc_link_xmit() (bsc#1209289). - CVE-2022-4744: Fixed double-free that could lead to DoS or privilege escalation in TUN/TAP device driver functionality (bsc#1209635). - CVE-2023-1281: Fixed use after free that could lead to privilege escalation in tcindex (bsc#1209634). - CVE-2023-1582: Fixed soft lockup in __page_mapcount (bsc#1209636). - CVE-2023-28327: Fixed DoS in in_skb in unix_diag_get_exact() (bsc#1209290). - CVE-2017-5753: Fixed spectre vulnerability in prlimit (bsc#1209256). - CVE-2023-1382: Fixed denial of service in tipc_conn_close (bsc#1209288). - CVE-2023-28328: Fixed a denial of service issue in az6027 driver in drivers/media/usb/dev-usb/az6027.c (bsc#1209291). - CVE-2023-1078: Fixed a heap out-of-bounds write in rds_rm_zerocopy_callback (bsc#1208601). - CVE-2023-1075: Fixed a type confusion in tls_is_tx_ready (bsc#1208598). - CVE-2017-5753: Fixed spectre V1 vulnerability on netlink (bsc#1209547). The following non-security bugs were fixed: - ipv6: raw: Deduct extension header length in rawv6_push_pending_frames (bsc#1207168). - net: ena: optimize data access in fast-path code (bsc#1208137). - PCI: hv: Add a per-bus mutex state_lock (bsc#1209785). - PCI: hv: fix a race condition bug in hv_pci_query_relations() (bsc#1209785). - PCI: hv: Fix a race condition in hv_irq_unmask() that can cause panic (bsc#1209785). - PCI: hv: Remove the useless hv_pcichild_state from struct hv_pci_dev (bsc#1209785).