Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP3 kernel was updated to receive various security and bugfixes. The following security bugs were fixed: - CVE-2020-26555: Fixed Bluetooth legacy BR/EDR PIN code pairing in Bluetooth Core Specification 1.0B that may permit an unauthenticated nearby device to spoof the BD_ADDR of the peer device to complete pairing without knowledge of the PIN (bsc#1179610 bsc#1215237). - CVE-2023-51779: Fixed a use-after-free because of a bt_sock_ioctl race condition in bt_sock_recvmsg (bsc#1218559). - CVE-2023-6121: Fixed an out-of-bounds read vulnerability in the NVMe-oF/TCP subsystem that could lead to information leak (bsc#1217250). - CVE-2023-6606: Fixed an out of bounds read in the SMB client when receiving a malformed length from a server (bsc#1217947). - CVE-2023-6610: Fixed an out of bounds read in the SMB client when printing debug information (bsc#1217946). - CVE-2023-6931: Fixed a heap out-of-bounds write vulnerability in the Linux kernel's Performance Events system component that could lead to local privilege escalation. (bsc#1218258). - CVE-2023-6932: Fixed a use-after-free vulnerability in the Linux kernel's ipv4: igmp component that could lead to local privilege escalation (bsc#1218253). The following non-security bugs were fixed: - clocksource: Avoid accidental unstable marking of clocksources (bsc#1218105). - clocksource: Suspend the watchdog temporarily when high read latency detected (bsc#1218105). - doc/README.SUSE: Add how to update the config for module signing (jsc#PED-5021) - doc/README.SUSE: Remove how to build modules using kernel-source (jsc#PED-5021) - doc/README.SUSE: Simplify the list of references (jsc#PED-5021). - efi/mokvar: Reserve the table only if it is in boot services data (bsc#1215375). - io_uring: fix 32-bit compatability with sendmsg/recvmsg (bsc#1217709).