SUSE Security Update: Security update for the Linux Kernel
______________________________________________________________________________

Announcement ID:    SUSE-SU-2019:0470-1
Rating:             important
References:         #1012382 #1023175 #1087036 #1094823 #1102875 
                    #1102877 #1102879 #1102882 #1102896 #1106105 
                    #1106929 #1107866 #1109695 #1114893 #1116653 
                    #1119680 #1120722 #1120758 #1120902 #1121726 
                    #1122650 #1122651 #1122779 #1122885 #1123321 
                    #1123323 #1123357 
Cross-References:   CVE-2017-18249 CVE-2019-3459 CVE-2019-3460
                   
Affected Products:
                    SUSE Linux Enterprise Real Time Extension 12-SP3
______________________________________________________________________________

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

Description:

   The SUSE Linux Enterprise 12 realtime kernel was updated to receive
   various security and bugfixes.

   The following security bugs were fixed:

   - CVE-2017-18249: Fixed tracking on allocated nid in the add_free_nid
     function fs/f2fs/node.c, which previously allowed local users to cause a
     denial of service (bnc#1087036).
   - CVE-2019-3459: Fixed remote heap address information leak in use of
     l2cap_get_conf_opt (bnc#1120758).
   - CVE-2019-3460: Fixed remote data leak in multiple location in the
     function l2cap_parse_conf_rsp (bnc#1120758).

   The following non-security bugs were fixed:

   - Disable MSI also when pcie-octeon.pcie_disable on (bnc#1012382).
   - Fix problem with sharetransport= and NFSv4 (bsc#1114893).
   - Revert "bs-upload-kernel: do not set %opensuse_bs" This reverts
 commit
     e89e2b8cbef05df6c874ba70af3cb4c57f82a821.
   - Yama: Check for pid death before checking ancestry (bnc#1012382).
   - acpi / processor: Fix the return value of acpi_processor_ids_walk() (git
     fixes (acpi)).
   - acpi/nfit: Block function zero DSMs (bsc#1123321).
   - acpi/nfit: Fix command-supported detection (bsc#1123323).
   - acpi: power: Skip duplicate power resource references in _PRx
     (bnc#1012382).
   - alsa: bebob: fix model-id of unit for Apogee Ensemble (bnc#1012382).
   - alsa: hda/realtek - Disable headset Mic VREF for headset mode of ALC225
     (bnc#1012382).
   - arm64/kvm: consistently handle host HCR_EL2 flags (bnc#1012382).
   - arm64: Do not trap host pointer auth use to EL2 (bnc#1012382).
   - arm64: perf: set suppress_bind_attrs flag to true (bnc#1012382).
   - ata: Fix racy link clearance (bsc#1107866).
   - block/loop: Use global lock for ioctl() operation (bnc#1012382).
   - block/swim3: Fix -EBUSY error when re-opening device after unmount
     (Git-fixes).
   - Btrfs: tree-check: reduce stack consumption in check_dir_item
     (bnc#1012382).
   - Btrfs: tree-checker: Check level for leaves and nodes (bnc#1012382).
   - Btrfs: tree-checker: Do not check max block group size as current max
     chunk size limit is unreliable (fixes for bnc#1012382 bsc#1102875
     bsc#1102877 bsc#1102879 bsc#1102882 bsc#1102896).
   - Btrfs: tree-checker: Fix misleading group system information
     (bnc#1012382).
   - Btrfs: validate type when reading a chunk (bnc#1012382).
   - Btrfs: wait on ordered extents on abort cleanup (bnc#1012382).
   - can: gw: ensure DLC boundaries after CAN frame modification
     (bnc#1012382).
   - cifs: Do not hide EINTR after sending network packets (bnc#1012382).
   - cifs: Fix potential OOB access of lock element array (bnc#1012382).
   - clk: imx6q: reset exclusive gates on init (bnc#1012382).
   - crypto: authenc - fix parsing key with misaligned rta_len (bnc#1012382).
   - crypto: authencesn - Avoid twice completion call in decrypt path
     (bnc#1012382).
   - crypto: cts - fix crash on short inputs (bnc#1012382).
   - crypto: user - support incremental algorithm dumps (bsc#1120902).
   - dm crypt: add cryptographic data integrity protection (authenticated
     encryption) (Git-fixes).
   - dm crypt: factor IV constructor out to separate function (Git-fixes).
   - dm crypt: fix crash by adding missing check for auth key size
     (git-fixes).
   - dm crypt: fix error return code in crypt_ctr() (git-fixes).
   - dm crypt: fix memory leak in crypt_ctr_cipher_old() (git-fixes).
   - dm crypt: introduce new format of cipher with "capi:" prefix
 (Git-fixes).
   - dm crypt: wipe kernel key copy after IV initialization (Git-fixes).
   - dm kcopyd: Fix bug causing workqueue stalls (bnc#1012382).
   - dm snapshot: Fix excessive memory usage and workqueue stalls
     (bnc#1012382).
   - dm: do not allow readahead to limit IO size (git fixes (readahead)).
   - e1000e: allow non-monotonic SYSTIM readings (bnc#1012382).
   - edac: Raise the maximum number of memory controllers (bsc#1120722).
   - efi/libstub/arm64: Use hidden attribute for struct screen_info reference
     (bsc#1122650).
   - ext4: Fix crash during online resizing (bsc#1122779).
   - ext4: fix a potential fiemap/page fault deadlock w/ inline_data
     (bnc#1012382).
   - f2fs: Add sanity_check_inode() function (bnc#1012382).
   - f2fs: avoid unneeded loop in build_sit_entries (bnc#1012382).
   - f2fs: check blkaddr more accuratly before issue a bio (bnc#1012382).
   - f2fs: clean up argument of recover_data (bnc#1012382).
   - f2fs: clean up with is_valid_blkaddr() (bnc#1012382).
   - f2fs: detect wrong layout (bnc#1012382).
   - f2fs: enhance sanity_check_raw_super() to avoid potential overflow
     (bnc#1012382).
   - f2fs: factor out fsync inode entry operations (bnc#1012382).
   - f2fs: fix inode cache leak (bnc#1012382).
   - f2fs: fix invalid memory access (bnc#1012382).
   - f2fs: fix missing up_read (bnc#1012382).
   - f2fs: fix to avoid reading out encrypted data in page cache
     (bnc#1012382).
   - f2fs: fix to convert inline directory correctly (bnc#1012382).
   - f2fs: fix to determine start_cp_addr by sbi->cur_cp_pack (bnc#1012382).
   - f2fs: fix to do sanity check with block address in main area
     (bnc#1012382).
   - f2fs: fix to do sanity check with block address in main area v2
     (bnc#1012382).
   - f2fs: fix to do sanity check with cp_pack_start_sum (bnc#1012382).
   - f2fs: fix to do sanity check with node footer and iblocks (bnc#1012382).
   - f2fs: fix to do sanity check with reserved blkaddr of inline inode
     (bnc#1012382).
   - f2fs: fix to do sanity check with secs_per_zone (bnc#1012382).
   - f2fs: fix to do sanity check with user_block_count (bnc#1012382).
   - f2fs: fix validation of the block count in sanity_check_raw_super
     (bnc#1012382).
   - f2fs: free meta pages if sanity check for ckpt is failed (bnc#1012382).
   - f2fs: give -EINVAL for norecovery and rw mount (bnc#1012382).
   - f2fs: introduce and spread verify_blkaddr (bnc#1012382).
   - f2fs: introduce get_checkpoint_version for cleanup (bnc#1012382).
   - f2fs: move sanity checking of cp into get_valid_checkpoint (bnc#1012382).
   - f2fs: not allow to write illegal blkaddr (bnc#1012382).
   - f2fs: put directory inodes before checkpoint in roll-forward recovery
     (bnc#1012382).
   - f2fs: remove an obsolete variable (bnc#1012382).
   - f2fs: return error during fill_super (bnc#1012382).
   - f2fs: sanity check on sit entry (bnc#1012382).
   - f2fs: use crc and cp version to determine roll-forward recovery
     (bnc#1012382).
   - gpiolib: Fix return value of gpio_to_desc() stub if !GPIOLIB (Git-fixes).
   - i2c: dev: prevent adapter retries and timeout being set as minus value
     (bnc#1012382).
   - ibmveth: Do not process frames after calling napi_reschedule
     (bcs#1123357).
   - ibmvnic: Add ethtool private flag for driver-defined queue limits
     (bsc#1121726).
   - ibmvnic: Increase maximum queue size limit (bsc#1121726).
   - ibmvnic: Introduce driver limits for ring sizes (bsc#1121726).
   - iommu/amd: Call free_iova_fast with pfn in map_sg (bsc#1106105).
   - iommu/amd: Fix IOMMU page flush when detach device from a domain
     (bsc#1106105).
   - iommu/amd: Unmap all mapped pages in error path of map_sg (bsc#1106105).
   - iommu/vt-d: Fix memory leak in intel_iommu_put_resv_regions()
     (bsc#1106105).
   - ip: on queued skb use skb_header_pointer instead of pskb_may_pull
     (bnc#1012382).
   - ipmi:ssif: Fix handling of multi-part return messages (bnc#1012382).
   - ipv6: Consider sk_bound_dev_if when binding a socket to a v4 mapped
     address (bnc#1012382).
   - ipv6: Take rcu_read_lock in __inet6_bind for mapped addresses
     (bnc#1012382).
   - ipv6: fix kernel-infoleak in ipv6_local_error() (bnc#1012382).
   - jffs2: Fix use of uninitialized delayed_work, lockdep breakage
     (bnc#1012382).
   - kabi: reorder new slabinfo fields in struct kmem_cache_node
     (bnc#1116653).
   - kconfig: fix file name and line number of warn_ignored_character()
     (bnc#1012382).
   - kconfig: fix memory leak when EOF is encountered in quotation
     (bnc#1012382).
   - loop: Fix double mutex_unlock(&loop_ctl_mutex) in loop_control_ioctl()
     (bnc#1012382).
   - loop: Fold __loop_release into loop_release (bnc#1012382).
   - loop: Get rid of loop_index_mutex (bnc#1012382).
   - lsm: Check for NULL cred-security on free (bnc#1012382).
   - md: batch flush requests (bsc#1119680).
   - media: em28xx: Fix misplaced reset of dev->v4l::field_count
     (bnc#1012382).
   - media: firewire: Fix app_info parameter type in avc_ca{,_app}_info
     (bnc#1012382).
   - media: vb2: be sure to unlock mutex on errors (bnc#1012382).
   - media: vb2: vb2_mmap: move lock up (bnc#1012382).
   - media: vivid: fix error handling of kthread_run (bnc#1012382).
   - media: vivid: set min width/height to a value > 0 (bnc#1012382).
   - mfd: tps6586x: Handle interrupts on suspend (bnc#1012382).
   - mips: SiByte: Enable swiotlb for SWARM, LittleSur and BigSur
     (bnc#1012382).
   - mips: fix n32 compat_ipc_parse_version (bnc#1012382).
   - mm, proc: be more verbose about unstable VMA flags in
     /proc/<pid>/smaps (bnc#1012382).
   - mm, slab: faster active and free stats (bsc#1116653, VM Performance).
   - mm, slab: maintain total slab count instead of active count
     (bsc#1116653, VM Performance).
   - mm/page-writeback.c: do not break integrity writeback on ->writepage()
     error (bnc#1012382).
   - mm/slab: improve performance of gathering slabinfo stats (bsc#1116653,
     VM Performance).
   - mm: only report isolation failures when offlining memory (generic
     hotplug debugability).
   - mmc: atmel-mci: do not assume idle after atmci_request_end (bnc#1012382).
   - net: bridge: fix a bug on using a neighbour cache entry without checking
     its state (bnc#1012382).
   - net: call sk_dst_reset when set SO_DONTROUTE (bnc#1012382).
   - net: speed up skb_rbtree_purge() (bnc#1012382).
   - ocfs2: fix panic due to unrecovered local alloc (bnc#1012382).
   - omap2fb: Fix stack memory disclosure (bsc#1106929)
   - packet: Do not leak dev refcounts on error exit (bnc#1012382).
   - pci: altera: Check link status before retrain link (bnc#1012382).
   - pci: altera: Fix altera_pcie_link_is_up() (bnc#1012382).
   - pci: altera: Move retrain from fixup to altera_pcie_host_init()
     (bnc#1012382).
   - pci: altera: Poll for link training status after retraining the link
     (bnc#1012382).
   - pci: altera: Poll for link up status after retraining the link
     (bnc#1012382).
   - pci: altera: Reorder read/write functions (bnc#1012382).
   - pci: altera: Rework config accessors for use without a struct pci_bus
     (bnc#1012382).
   - perf intel-pt: Fix error with config term "pt=0" (bnc#1012382).
   - perf parse-events: Fix unchecked usage of strncpy() (bnc#1012382).
   - perf svghelper: Fix unchecked usage of strncpy() (bnc#1012382).
   - platform/x86: asus-wmi: Tell the EC the OS will handle the display off
     hotkey (bnc#1012382).
   - powerpc, hotplug: Avoid to touch non-existent cpumasks (bsc#1109695).
   - powerpc/cacheinfo: Report the correct shared_cpu_map on big-cores
     (bsc#1109695).
   - powerpc/pseries/cpuidle: Fix preempt warning (bnc#1012382).
   - powerpc/setup: Add cpu_to_phys_id array (bsc#1109695).
   - powerpc/smp: Add Power9 scheduler topology (bsc#1109695).
   - powerpc/smp: Add cpu_l2_cache_map (bsc#1109695).
   - powerpc/smp: Rework CPU topology construction (bsc#1109695).
   - powerpc/smp: Use cpu_to_chip_id() to find core siblings (bsc#1109695).
   - powerpc/xmon: Fix invocation inside lock region (bsc#1122885).
   - powerpc: Detect the presence of big-cores via "ibm, thread-groups"
     (bsc#1109695).
   - powerpc: Use cpu_smallcore_sibling_mask at SMT level on bigcores
     (bsc#1109695).
   - powerpc: make use of for_each_node_by_type() instead of open-coding it
     (bsc#1109695).
   - proc: Remove empty line in /proc/self/status (bnc#1012382 bsc#1094823).
   - pstore/ram: Do not treat empty buffers as valid (bnc#1012382).
   - r8169: Add support for new Realtek Ethernet (bnc#1012382).
   - scsi: megaraid: fix out-of-bound array accesses (bnc#1012382).
   - scsi: sd: Fix cache_type_store() (bnc#1012382).
   - scsi: target: use consistent left-aligned ASCII INQUIRY data
     (bnc#1012382).
   - sctp: allocate sctp_sockaddr_entry with kzalloc (bnc#1012382).
   - selinux: fix GPF on invalid policy (bnc#1012382).
   - slab: alien caches must not be initialized if the allocation of the
     alien cache failed (bnc#1012382).
   - sunrpc: handle ENOMEM in rpcb_getport_async (bnc#1012382).
   - sysfs: Disable lockdep for driver bind/unbind files (bnc#1012382).
   - tipc: fix uninit-value in tipc_nl_compat_bearer_enable (bnc#1012382).
   - tipc: fix uninit-value in tipc_nl_compat_doit (bnc#1012382).
   - tipc: fix uninit-value in tipc_nl_compat_link_reset_stats (bnc#1012382).
   - tipc: fix uninit-value in tipc_nl_compat_link_set (bnc#1012382).
   - tipc: fix uninit-value in tipc_nl_compat_name_table_dump (bnc#1012382).
   - tty/ldsem: Wake up readers after timed out down_write() (bnc#1012382).
   - usb: Add USB_QUIRK_DELAY_CTRL_MSG quirk for Corsair K70 RGB
     (bnc#1012382).
   - usb: cdc-acm: send ZLP for Telit 3G Intel based modems (bnc#1012382).
   - usb: storage: add quirk for SMI SM3350 (bnc#1012382).
   - usb: storage: do not insert sane sense for SPC3+ when bad sense
     specified (bnc#1012382).
   - writeback: do not decrement wb->refcnt if !wb->bdi (git fixes
     (writeback)).
   - x86/pkeys: Properly copy pkey state at fork() (bsc#1106105).


Special Instructions and Notes:

   Please reboot the system after installing this update.

Patch Instructions:

   To install this SUSE Security Update use the SUSE recommended installation
 methods
   like YaST online_update or "zypper patch".

   Alternatively you can run the command listed for your product:

   - SUSE Linux Enterprise Real Time Extension 12-SP3:

      zypper in -t patch SUSE-SLE-RT-12-SP3-2019-470=1



Package List:

   - SUSE Linux Enterprise Real Time Extension 12-SP3 (noarch):

      kernel-devel-rt-4.4.172-3.35.1
      kernel-source-rt-4.4.172-3.35.1

   - SUSE Linux Enterprise Real Time Extension 12-SP3 (x86_64):

      cluster-md-kmp-rt-4.4.172-3.35.1
      cluster-md-kmp-rt-debuginfo-4.4.172-3.35.1
      dlm-kmp-rt-4.4.172-3.35.1
      dlm-kmp-rt-debuginfo-4.4.172-3.35.1
      gfs2-kmp-rt-4.4.172-3.35.1
      gfs2-kmp-rt-debuginfo-4.4.172-3.35.1
      kernel-rt-4.4.172-3.35.1
      kernel-rt-base-4.4.172-3.35.1
      kernel-rt-base-debuginfo-4.4.172-3.35.1
      kernel-rt-debuginfo-4.4.172-3.35.1
      kernel-rt-debugsource-4.4.172-3.35.1
      kernel-rt-devel-4.4.172-3.35.1
      kernel-rt_debug-debuginfo-4.4.172-3.35.1
      kernel-rt_debug-debugsource-4.4.172-3.35.1
      kernel-rt_debug-devel-4.4.172-3.35.1
      kernel-rt_debug-devel-debuginfo-4.4.172-3.35.1
      kernel-syms-rt-4.4.172-3.35.1
      ocfs2-kmp-rt-4.4.172-3.35.1
      ocfs2-kmp-rt-debuginfo-4.4.172-3.35.1


References:

   https://www.suse.com/security/cve/CVE-2017-18249.html
   https://www.suse.com/security/cve/CVE-2019-3459.html
   https://www.suse.com/security/cve/CVE-2019-3460.html
   https://bugzilla.suse.com/1012382
   https://bugzilla.suse.com/1023175
   https://bugzilla.suse.com/1087036
   https://bugzilla.suse.com/1094823
   https://bugzilla.suse.com/1102875
   https://bugzilla.suse.com/1102877
   https://bugzilla.suse.com/1102879
   https://bugzilla.suse.com/1102882
   https://bugzilla.suse.com/1102896
   https://bugzilla.suse.com/1106105
   https://bugzilla.suse.com/1106929
   https://bugzilla.suse.com/1107866
   https://bugzilla.suse.com/1109695
   https://bugzilla.suse.com/1114893
   https://bugzilla.suse.com/1116653
   https://bugzilla.suse.com/1119680
   https://bugzilla.suse.com/1120722
   https://bugzilla.suse.com/1120758
   https://bugzilla.suse.com/1120902
   https://bugzilla.suse.com/1121726
   https://bugzilla.suse.com/1122650
   https://bugzilla.suse.com/1122651
   https://bugzilla.suse.com/1122779
   https://bugzilla.suse.com/1122885
   https://bugzilla.suse.com/1123321
   https://bugzilla.suse.com/1123323
   https://bugzilla.suse.com/1123357

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