Security update for the Linux Kernel

SUSE Security Update: Security update for the Linux Kernel
Announcement ID: SUSE-SU-2017:0407-1
Rating: important
References: #1003813 #1005666 #1007197 #1008557 #1008567 #1008831 #1008833 #1008876 #1008979 #1009062 #1009969 #1010040 #1010213 #1010294 #1010475 #1010478 #1010501 #1010502 #1010507 #1010612 #1010711 #1010716 #1011685 #1012060 #1012422 #1012754 #1012917 #1012985 #1013001 #1013038 #1013479 #1013531 #1013533 #1013540 #1013604 #1014410 #1014746 #1016713 #1016725 #1016961 #1017164 #1017170 #1017410 #1017710 #1018100 #1019032 #1019148 #1019260 #1019300 #1019783 #1019851 #1020214 #1020602 #1021258 #856380 #857394 #858727 #921338 #921778 #922052 #922056 #923036 #923037 #924381 #938963 #972993 #980560 #981709 #983087 #983348 #984194 #984419 #985850 #987192 #987576 #990384 #991273 #993739 #997807 #999101
Affected Products:
  • SUSE Linux Enterprise Real Time Extension 12-SP1

  • An update that solves 24 vulnerabilities and has 56 fixes is now available.

    Description:


    The SUSE Linux Enterprise 12 rt-kernel was updated to 3.12.69 to receive
    various security and bugfixes.

    The following security bugs were fixed:

    - CVE-2015-8962: Fixed a double free vulnerability in the SCSI subsystem
    that allowed local users to gain privileges or cause a denial of service
    (memory corruption and system crash) (bnc#1010501).
    - CVE-2015-8963: Fixed a race condition in kernel/events/core.c that
    allowed local users to gain privileges or cause a denial of service
    (use-after-free) (bnc#1010502).
    - CVE-2015-8964: Fixed a bug in the tty_set_termios_ldisc function that
    allowed local users to obtain sensitive information from kernel memory
    (bnc#1010507).
    - CVE-2016-10088: The sg implementation in the Linux kernel did not
    properly restrict write operations in situations where the KERNEL_DS
    option is set, which allowed local users to read or write to arbitrary
    kernel memory locations or cause a denial of service (use-after-free)
    (bnc#1017710).
    - CVE-2016-7910: Fixed a use-after-free vulnerability in the block
    subsystem that allowed local users to gain privileges (bnc#1010716).
    - CVE-2016-7911: Fixed a race condition in the get_task_ioprio function
    that allowed local users to gain privileges or cause a denial of service
    (use-after-free) (bnc#1010711).
    - CVE-2016-7913: Fixed a bug in the xc2028_set_config function that
    allowed local users to gain privileges or cause a denial of service
    (use-after-free) (bnc#1010478).
    - CVE-2016-7914: The assoc_array_insert_into_terminal_node function did
    not check whether a slot is a leaf, which allowed local users to obtain
    sensitive information from kernel memory or cause a denial of service
    (invalid pointer dereference and out-of-bounds read) (bnc#1010475).
    - CVE-2016-8399: Fixed a bug in the kernel networking subsystem that could
    have enabled a local malicious application to execute arbitrary code
    within the context of the kernel. (bnc#1014746).
    - CVE-2016-8632: The net subsystem did not validate the relationship
    between the minimum fragment length and the maximum packet size, which
    allowed local users to gain privileges or cause a denial of service
    (heap-based buffer overflow) (bnc#1008831).
    - CVE-2016-8633: The firewire subsystem allowed remote attackers to
    execute arbitrary code via crafted fragmented packets in certain unusual
    hardware configurations (bnc#1008833).
    - CVE-2016-8645: The TCP stack in the Linux kernel mishandled skb
    truncation, which allowed local users to cause a denial of service
    (system crash) (bnc#1009969).
    - CVE-2016-8655: Fixed a race condition in the network subsystem that
    allowed local users to gain privileges or cause a denial of service
    (use-after-free) (bnc#1012754).
    - CVE-2016-9083: The PCI subsystem local users to bypass integer overflow
    checks and cause a denial of service (memory corruption) or have
    unspecified other impact (bnc#1007197).
    - CVE-2016-9084: The PCI subsystem misused the kzalloc() function, which
    allowed local users to cause a denial of service (integer overflow) or
    have unspecified other impact (bnc#1007197).
    - CVE-2016-9555: Fixed a bug in the network subsystem that allowed remote
    attackers to cause a denial of service (out-of-bounds slab access) or
    possibly have unspecified other impact via crafted SCTP data
    (bnc#1011685).
    - CVE-2016-9576: The block subsystem did not properly restrict the type of
    iterator, which allowed local users to read or write to arbitrary kernel
    memory locations or cause a denial of service (use-after-free)
    (bnc#1013604).
    - CVE-2016-9756: The kernel did not properly initialize Code Segment (CS)
    in certain error cases, which allowed local users to obtain sensitive
    information from kernel stack memory (bnc#1013038).
    - CVE-2016-9793: The net subsystem mishandled negative values of sk_sndbuf
    and sk_rcvbuf, which allowed local users to cause a denial of service
    (memory corruption and system crash) or possibly have unspecified other
    impact (bnc#1013531).
    - CVE-2016-9794: Fixed a race condition in the ALSA subsystem that allowed
    local users to cause a denial of service (use-after-free) or possibly
    have unspecified other impact (bnc#1013533).
    - CVE-2016-9806: Fixed a race condition in the netlink_dump() function
    which could have allowed local users to cause a denial of service
    (double free) or possibly have unspecified other impact (bnc#1013540).
    - CVE-2017-2583: kvm: x86: fixed emulation of "MOV SS, null selector"
    (bsc#1020602).
    - CVE-2017-2584: arch: x86: kvm: fixed a bug that could have allowed local
    users to obtain sensitive information from kernel memory or cause a
    denial of service (use-after-free) (bnc#1019851).
    - CVE-2017-5551: tmpfs: Fixed a bug that could have allowed users to set
    setgid bits on files they don't down. (bsc#1021258, CVE-2017-5551).

    The following non-security bugs were fixed:

    - 8250_pci: Fix potential use-after-free in error path (bsc#1013001).
    - block_dev: do not test bdev->bd_contains when it is not stable
    (bsc#1008557).
    - bna: Add synchronization for tx ring (bsc#993739).
    - bnx2i/bnx2fc : fix randconfig error in next-20140909 (bsc#922052
    bsc#922056).
    - bnx2x: Correct ringparam estimate when DOWN (bsc#1020214).
    - bnx2x: fix lockdep splat (bsc#922052 bsc#922056).
    - btrfs: Ensure proper sector alignment for btrfs_free_reserved_data_space
    (bsc#1005666).
    - btrfs: Export and move leaf/subtree qgroup helpers to qgroup.c
    (bsc#983087).
    - btrfs: Revert "do not delay inode ref updates during log replay"
    (bsc#987192).
    - btrfs: bugfix: handle FS_IOC32_{GETFLAGS,SETFLAGS,GETVERSION} in
    btrfs_ioctl (bsc#1018100).
    - btrfs: do not delay inode ref updates during log replay (bsc#987192).
    - btrfs: fix incremental send failure caused by balance (bsc#985850).
    - btrfs: fix relocation incorrectly dropping data references (bsc#990384).
    - btrfs: increment ctx->pos for every emitted or skipped dirent in readdir
    (bsc#981709).
    - btrfs: qgroup: Fix qgroup data leaking by using subtree tracing
    (bsc#983087).
    - btrfs: remove old tree_root dirent processing in btrfs_real_readdir()
    (bsc#981709).
    - btrfs: send, do not bug on inconsistent snapshots (bsc#985850).
    - cpufreq: intel_pstate: Fix divide by zero on Knights Landing (KNL)
    (bsc#1008876).
    - cpuset: fix sched_load_balance that was accidentally broken in a
    previous update (bsc#1010294).
    - ext4: fix data exposure after a crash (bsc#1012985).
    - fs/dcache: move the call of __d_drop(anon) into
    __d_materialise_unique(dentry, anon) (bsc#984194).
    - fuse: do not use iocb after it may have been freed (bsc#1012985).
    - hpilo: Add support for iLO5 (bsc#999101).
    - ib/core: Avoid unsigned int overflow in sg_alloc_table (bsc#924381
    bsc#921338).
    - ib/mlx5: Fix FW version diaplay in sysfs (bnc#923036).
    - ib/mlx5: Fix entries check in mlx5_ib_resize_cq (bnc#858727).
    - ib/mlx5: Fix entries checks in mlx5_ib_create_cq (bnc#858727).
    - ib/mlx5: Remove per-MR pas and dma pointers (bnc#923036).
    - ibmveth: calculate gso_segs for large packets (bsc#1019148).
    - ibmveth: check return of skb_linearize in ibmveth_start_xmit
    (bsc#1019148).
    - ibmveth: consolidate kmalloc of array, memset 0 to kcalloc (bsc#1019148).
    - ibmveth: set correct gso_size and gso_type (bsc#1019148).
    - igb: Fix oops caused by missing queue pairing (bnc#857394).
    - ipmi_si: create hardware-independent softdep for ipmi_devintf
    (bsc#1009062).
    - ipr: Enable SIS pipe commands for SIS-32 devices (bsc#1016961).
    - ipv4: Fix ip_queue_xmit to pass sk into ip_local_out_sk (bsc#938963).
    - kabi: protect __sk_mem_reclaim (kabi).
    - kabi: protect struct perf_event_context (kabi).
    - kabi: reintroduce sk_filter (kabi).
    - kernel: remove broken memory detection sanity check (bnc#1008567,
    LTC#148072).
    - kgr: ignore zombie tasks during the patching (bnc#1008979).
    - kgraft/iscsi-target: Do not block kGraft in iscsi_np kthread
    (bsc#1010612).
    - kgraft/xen: Do not block kGraft in xenbus kthread (bsc#1017410).
    - net/mlx5: Avoid passing dma address 0 to firmware (bnc#858727).
    - net/mlx5: Fix typo in mlx5_query_port_pvlc (bnc#923036).
    - net/mlx5e: Do not modify CQ before it was created (bnc#923036).
    - net/mlx5e: Do not try to modify CQ moderation if it is not supported
    (bnc#923036).
    - net/mlx5e: Fix MLX5E_100BASE_T define (bnc#923036).
    - net/mlx5e: Remove wrong poll CQ optimization (bnc#923036).
    - netback: correct array index (bsc#983348).
    - nfsv4: Cap the transport reconnection timer at 1/2 lease period
    (bsc#1014410).
    - nfsv4: Cleanup the setting of the nfs4 lease period (bsc#1014410).
    - nfsv4: Fix "NFS Lock reclaim failed" errors (bsc#1014410).
    - ocfs2: fix BUG_ON() in ocfs2_ci_checkpointed() (bnc#1019783).
    - posix_acl: Fixup acl reference leak and missing conversions in ext3,
    gfs2, jfs, hfsplus.
    - powerpc/pseries: Use H_CLEAR_HPT to clear MMU hash table during kexec
    (bsc#1003813).
    - proc: avoid including "mountproto=" with no protocol in /proc/mounts
    (bsc#1019260).
    - raid1: ignore discard error (bsc#1017164).
    - reiserfs: fix race in prealloc discard (bsc#987576).
    - rpm/kernel-binary.spec.in: Export a make-stderr.log file (bsc#1012422)
    - rpm/kernel-spec-macros: Fix the check if there is no rebuild counter
    (bsc#1012060)
    - rpm/kernel-spec-macros: Ignore too high rebuild counter (bsc#1012060)
    - serial: 8250_pci: Detach low-level driver during PCI error recovery
    (bsc#1013001).
    - sfc: clear napi_hash state when copying channels (bsc#923037).
    - sfc: fix potential stack corruption from running past stat bitmask
    (bsc#923037).
    - sfc: on MC reset, clear PIO buffer linkage in TXQs (bnc#856380).
    - sunrpc: Enforce an upper limit on the number of cached credentials
    (bsc#1012917).
    - sunrpc: Fix reconnection timeouts (bsc#1014410).
    - sunrpc: Limit the reconnect backoff timer to the max RPC message timeout
    (bsc#1014410).
    - target: Make EXTENDED_COPY 0xe4 failure return COPY TARGET DEVICE NOT
    REACHABLE (bsc#991273).
    - target: add XCOPY target/segment desc sense codes (bsc#991273).
    - target: bounds check XCOPY segment descriptor list (bsc#991273).
    - target: bounds check XCOPY total descriptor list length (bsc#991273).
    - target: check XCOPY segment descriptor CSCD IDs (bsc#1017170).
    - target: check for XCOPY parameter truncation (bsc#991273).
    - target: return UNSUPPORTED TARGET/SEGMENT DESC TYPE CODE sense
    (bsc#991273).
    - target: simplify XCOPY wwn->se_dev lookup helper (bsc#991273).
    - target: support XCOPY requests without parameters (bsc#991273).
    - target: use XCOPY TOO MANY TARGET DESCRIPTORS sense (bsc#991273).
    - target: use XCOPY segment descriptor CSCD IDs (bsc#1017170).
    - tg3: Avoid NULL pointer dereference in tg3_io_error_detected()
    (bsc#921778).
    - tty: Prevent ldisc drivers from re-using stale tty fields (bnc#1010507).
    - x86/apic: Order irq_enter/exit() calls correctly vs. ack_APIC_irq()
    (bsc#1013479).
    - xen/ftrace/x86: Set ftrace_stub to weak to prevent gcc from using short
    jumps to it (bsc#984419).
    - xenbus: correctly signal errors from xenstored_local_init() (luckily
    none so far).
    - xfs: allow lazy sb counter sync during filesystem freeze sequence
    (bsc#980560).
    - xfs: refactor xlog_recover_process_data() (bsc#1019300).

    Patch Instructions:

    To install this SUSE Security Update use YaST online_update.
    Alternatively you can run the command listed for your product:

    • SUSE Linux Enterprise Real Time Extension 12-SP1:
      zypper in -t patch SUSE-SLE-RT-12-SP1-2017-202=1

    To bring your system up-to-date, use "zypper patch".

    Package List:

    • SUSE Linux Enterprise Real Time Extension 12-SP1 (noarch):
      • kernel-devel-rt-3.12.69-60.30.1
      • kernel-source-rt-3.12.69-60.30.1
    • SUSE Linux Enterprise Real Time Extension 12-SP1 (x86_64):
      • kernel-compute-3.12.69-60.30.1
      • kernel-compute-base-3.12.69-60.30.1
      • kernel-compute-base-debuginfo-3.12.69-60.30.1
      • kernel-compute-debuginfo-3.12.69-60.30.1
      • kernel-compute-debugsource-3.12.69-60.30.1
      • kernel-compute-devel-3.12.69-60.30.1
      • kernel-compute_debug-debuginfo-3.12.69-60.30.1
      • kernel-compute_debug-debugsource-3.12.69-60.30.1
      • kernel-compute_debug-devel-3.12.69-60.30.1
      • kernel-compute_debug-devel-debuginfo-3.12.69-60.30.1
      • kernel-rt-3.12.69-60.30.1
      • kernel-rt-base-3.12.69-60.30.1
      • kernel-rt-base-debuginfo-3.12.69-60.30.1
      • kernel-rt-debuginfo-3.12.69-60.30.1
      • kernel-rt-debugsource-3.12.69-60.30.1
      • kernel-rt-devel-3.12.69-60.30.1
      • kernel-rt_debug-debuginfo-3.12.69-60.30.1
      • kernel-rt_debug-debugsource-3.12.69-60.30.1
      • kernel-rt_debug-devel-3.12.69-60.30.1
      • kernel-rt_debug-devel-debuginfo-3.12.69-60.30.1
      • kernel-syms-rt-3.12.69-60.30.1

    References: