The SUSE Linux Enterprise 15 LTSS kernel was updated to receive various security and bugfixes. The following security bugs were fixed: - CVE-2020-36516: Fixed an issue in the mixed IPID assignment method where an attacker was able to inject data into or terminate a victim"s TCP session . - CVE-2021-4203: Fixed use-after-free read flaw that was found in sock_getsockopt in net/core/sock.c due to SO_PEERCRED and SO_PEERGROUPS race with listen . - CVE-2022-20368: Fixed slab-out-of-bounds access in packet_recvmsg . - CVE-2022-20369: Fixed possible out of bounds write due to improper input validation in v4l2_m2m_querybuf of v4l2-mem2mem.c . - CVE-2022-21385: Fixed a flaw in net_rds_alloc_sgs that allowed unprivileged local users to crash the machine . - CVE-2022-2588: Fixed use-after-free in cls_route . - CVE-2022-26373: Fixed non-transparent sharing of return predictor targets between contexts in some Intel Processors . - CVE-2022-2639: Fixed an integer coercion error that was found in the openvswitch kernel module . - CVE-2022-2663: Fixed an issue that was found in nf_conntrack_irc where the message handling could be confused and incorrectly matches the message . - CVE-2022-2977: Fixed reference counting for struct tpm_chip . - CVE-2022-3028: Fixed race condition that was found in the IP framework for transforming packets . - CVE-2022-36879: Fixed an issue in xfrm_expand_policies in net/xfrm/xfrm_policy.c where a refcount could be dropped twice . - CVE-2022-39188: Fixed race condition in include/asm-generic/tlb.h where a device driver can free a page while it still has stale TLB entries . The following non-security bugs were fixed: - cifs: fix error paths in cifs_tree_connect . - cifs: fix uninitialized pointer in error case in dfs_cache_get_tgt_share . - cifs: report error instead of invalid when revalidating a dentry fails . - cifs: skip trailing separators of prefix paths . - kernel-obs-build: include qemu_fw_cfg - lightnvm: Remove lightnvm implemenation . - mm/rmap.c: do not reuse anon_vma if we just want a copy . - mm/rmap: Fix anon_vma-degree ambiguity leading to double-reuse . - net_sched: cls_route: disallow handle of 0 . - objtool: Add --backtrace support . - objtool: Add relocation check for alternative sections . - objtool: Add support for intra-function calls . - objtool: Allow no-op CFI ops in alternatives . - objtool: Clean instruction state before each function validation . - objtool: Convert insn type to enum . - objtool: Do not use ignore flag for fake jumps . - objtool: Fix !CFI insn_state propagation . - objtool: Fix ORC vs alternatives . - objtool: Fix sibling call detection . - objtool: Fix switch table detection in .text.unlikely . - objtool: Ignore empty alternatives . - objtool: Make BP scratch register warning more robust . - objtool: Make handle_insn_ops unconditional . - objtool: Remove INSN_STACK . - objtool: Remove check preventing branches within alternative . - objtool: Rename elf_open to prevent conflict with libelf from elftoolchain . - objtool: Rename struct cfi_state . - objtool: Rework allocating stack_ops on decode . - objtool: Rewrite alt-skip_orig . - objtool: Set insn-func for alternatives . - objtool: Support conditional retpolines . - objtool: Support multiple stack_op per instruction . - objtool: Track original function across branches . - objtool: Uniquely identify alternative instruction groups . - objtool: Use Elf_Scn typedef instead of assuming struct name . - rpm: Fix parsing of rpm/macros.kernel-source on SLE12 . Special Instructions and Notes: Please reboot the system after installing this update.