SUSE-SU-2022:3291-1

Description

Security update for the Linux Kernel 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 (bnc#1196616). - 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() (bnc#1194535). - CVE-2022-20368: Fixed slab-out-of-bounds access in packet_recvmsg() (bsc#1202346). - CVE-2022-20369: Fixed possible out of bounds write due to improper input validation in v4l2_m2m_querybuf of v4l2-mem2mem.c (bnc#1202347). - CVE-2022-21385: Fixed a flaw in net_rds_alloc_sgs() that allowed unprivileged local users to crash the machine (bnc#1202897). - CVE-2022-2588: Fixed use-after-free in cls_route (bsc#1202096). - CVE-2022-26373: Fixed non-transparent sharing of return predictor targets between contexts in some Intel Processors (bnc#1201726). - CVE-2022-2639: Fixed an integer coercion error that was found in the openvswitch kernel module (bnc#1202154). - 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 (bnc#1202097). - CVE-2022-2977: Fixed reference counting for struct tpm_chip (bsc#1202672). - CVE-2022-3028: Fixed race condition that was found in the IP framework for transforming packets (XFRM subsystem) (bnc#1202898). - CVE-2022-36879: Fixed an issue in xfrm_expand_policies in net/xfrm/xfrm_policy.c where a refcount could be dropped twice (bnc#1201948). - 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 (bnc#1203107). The following non-security bugs were fixed: - cifs: fix error paths in cifs_tree_connect() (bsc#1177440). - cifs: fix uninitialized pointer in error case in dfs_cache_get_tgt_share (bsc#1188944). - cifs: report error instead of invalid when revalidating a dentry fails (bsc#1177440). - cifs: skip trailing separators of prefix paths (bsc#1188944). - kernel-obs-build: include qemu_fw_cfg (boo#1201705) - lightnvm: Remove lightnvm implemenation (bsc#1191881 bsc#1201420 ZDI-CAN-17325). - mm/rmap.c: do not reuse anon_vma if we just want a copy (git-fixes, bsc#1203098). - mm/rmap: Fix anon_vma->degree ambiguity leading to double-reuse (git-fixes, bsc#1203098). - net_sched: cls_route: disallow handle of 0 (bsc#1202393). - objtool: Add --backtrace support (bsc#1202396). - objtool: Add relocation check for alternative sections (bsc#1202396). - objtool: Add support for intra-function calls (bsc#1202396). - objtool: Allow no-op CFI ops in alternatives (bsc#1202396). - objtool: Clean instruction state before each function validation (bsc#1169514). - objtool: Convert insn type to enum (bsc#1202396). - objtool: Do not use ignore flag for fake jumps (bsc#1202396). - objtool: Fix !CFI insn_state propagation (bsc#1202396). - objtool: Fix ORC vs alternatives (bsc#1202396). - objtool: Fix sibling call detection (bsc#1202396). - objtool: Fix switch table detection in .text.unlikely (bsc#1202396). - objtool: Ignore empty alternatives (bsc#1169514). - objtool: Make BP scratch register warning more robust (bsc#1202396). - objtool: Make handle_insn_ops() unconditional (bsc#1202396). - objtool: Remove INSN_STACK (bsc#1202396). - objtool: Remove check preventing branches within alternative (bsc#1202396). - objtool: Rename elf_open() to prevent conflict with libelf from elftoolchain (bsc#1202396). - objtool: Rename struct cfi_state (bsc#1202396). - objtool: Rework allocating stack_ops on decode (bsc#1202396). - objtool: Rewrite alt->skip_orig (bsc#1202396). - objtool: Set insn->func for alternatives (bsc#1202396). - objtool: Support conditional retpolines (bsc#1202396). - objtool: Support multiple stack_op per instruction (bsc#1202396). - objtool: Track original function across branches (bsc#1202396). - objtool: Uniquely identify alternative instruction groups (bsc#1202396). - objtool: Use Elf_Scn typedef instead of assuming struct name (bsc#1202396). - rpm: Fix parsing of rpm/macros.kernel-source on SLE12 (bsc#1201019).

Affected Systems

• suse•kernel-default&distro=SUSE Linux Enterprise High Availability Extension 15

  < 4.12.14-150000.150.101.1

• suse•kernel-default&distro=SUSE Linux Enterprise High Performance Computing 15-ESPOS

  < 4.12.14-150000.150.101.1

• suse•kernel-default&distro=SUSE Linux Enterprise High Performance Computing 15-LTSS

  < 4.12.14-150000.150.101.1

• suse•kernel-default&distro=SUSE Linux Enterprise Live Patching 15

  < 4.12.14-150000.150.101.1

• suse•kernel-default&distro=SUSE Linux Enterprise Server 15-LTSS

  < 4.12.14-150000.150.101.1

• suse•kernel-default&distro=SUSE Linux Enterprise Server for SAP Applications 15

  < 4.12.14-150000.150.101.1

• suse•kernel-docs&distro=SUSE Linux Enterprise High Performance Computing 15-ESPOS

  < 4.12.14-150000.150.101.1

• suse•kernel-docs&distro=SUSE Linux Enterprise High Performance Computing 15-LTSS

  < 4.12.14-150000.150.101.1

• suse•kernel-docs&distro=SUSE Linux Enterprise Server 15-LTSS

  < 4.12.14-150000.150.101.1

• suse•kernel-docs&distro=SUSE Linux Enterprise Server for SAP Applications 15

  < 4.12.14-150000.150.101.1

• suse•kernel-livepatch-SLE15_Update_33&distro=SUSE Linux Enterprise Live Patching 15

  < 1-150000.1.3.1

• suse•kernel-obs-build&distro=SUSE Linux Enterprise High Performance Computing 15-ESPOS

  < 4.12.14-150000.150.101.1

• suse•kernel-obs-build&distro=SUSE Linux Enterprise High Performance Computing 15-LTSS

  < 4.12.14-150000.150.101.1

• suse•kernel-obs-build&distro=SUSE Linux Enterprise Server 15-LTSS

  < 4.12.14-150000.150.101.1

• suse•kernel-obs-build&distro=SUSE Linux Enterprise Server for SAP Applications 15

  < 4.12.14-150000.150.101.1

• suse•kernel-source&distro=SUSE Linux Enterprise High Performance Computing 15-ESPOS

  < 4.12.14-150000.150.101.1

• suse•kernel-source&distro=SUSE Linux Enterprise High Performance Computing 15-LTSS

  < 4.12.14-150000.150.101.1

• suse•kernel-source&distro=SUSE Linux Enterprise Server 15-LTSS

  < 4.12.14-150000.150.101.1

• suse•kernel-source&distro=SUSE Linux Enterprise Server for SAP Applications 15

  < 4.12.14-150000.150.101.1

• suse•kernel-syms&distro=SUSE Linux Enterprise High Performance Computing 15-ESPOS

  < 4.12.14-150000.150.101.1

• suse•kernel-syms&distro=SUSE Linux Enterprise High Performance Computing 15-LTSS

  < 4.12.14-150000.150.101.1

• suse•kernel-syms&distro=SUSE Linux Enterprise Server 15-LTSS

  < 4.12.14-150000.150.101.1

• suse•kernel-syms&distro=SUSE Linux Enterprise Server for SAP Applications 15

  < 4.12.14-150000.150.101.1

• suse•kernel-vanilla&distro=SUSE Linux Enterprise High Performance Computing 15-ESPOS

  < 4.12.14-150000.150.101.1

• suse•kernel-vanilla&distro=SUSE Linux Enterprise High Performance Computing 15-LTSS

  < 4.12.14-150000.150.101.1

• suse•kernel-vanilla&distro=SUSE Linux Enterprise Server 15-LTSS

  < 4.12.14-150000.150.101.1

• suse•kernel-vanilla&distro=SUSE Linux Enterprise Server for SAP Applications 15

  < 4.12.14-150000.150.101.1

• suse•kernel-zfcpdump&distro=SUSE Linux Enterprise Server 15-LTSS

  < 4.12.14-150000.150.101.1

References (37)

• https://www.suse.com/support/update/announcement/2022/suse-su-20223291-1/
• https://bugzilla.suse.com/1169514
• https://bugzilla.suse.com/1177440
• https://bugzilla.suse.com/1188944
• https://bugzilla.suse.com/1191881
• https://bugzilla.suse.com/1194535
• https://bugzilla.suse.com/1196616
• https://bugzilla.suse.com/1201019
• https://bugzilla.suse.com/1201420
• https://bugzilla.suse.com/1201705
• https://bugzilla.suse.com/1201726
• https://bugzilla.suse.com/1201948
• https://bugzilla.suse.com/1202096
• https://bugzilla.suse.com/1202097
• https://bugzilla.suse.com/1202154
• https://bugzilla.suse.com/1202346
• https://bugzilla.suse.com/1202347
• https://bugzilla.suse.com/1202393
• https://bugzilla.suse.com/1202396
• https://bugzilla.suse.com/1202672
• https://bugzilla.suse.com/1202897
• https://bugzilla.suse.com/1202898
• https://bugzilla.suse.com/1203098
• https://bugzilla.suse.com/1203107
• https://www.suse.com/security/cve/CVE-2020-36516
• https://www.suse.com/security/cve/CVE-2021-4203
• https://www.suse.com/security/cve/CVE-2022-20368
• https://www.suse.com/security/cve/CVE-2022-20369
• https://www.suse.com/security/cve/CVE-2022-21385
• https://www.suse.com/security/cve/CVE-2022-2588
• https://www.suse.com/security/cve/CVE-2022-26373
• https://www.suse.com/security/cve/CVE-2022-2639
• https://www.suse.com/security/cve/CVE-2022-2663
• https://www.suse.com/security/cve/CVE-2022-2977
• https://www.suse.com/security/cve/CVE-2022-3028
• https://www.suse.com/security/cve/CVE-2022-36879
• https://www.suse.com/security/cve/CVE-2022-39188