SUSE Security Update: Security update for the Linux Kernel
______________________________________________________________________________

Announcement ID:    SUSE-SU-2019:0801-1
Rating:             important
References:         #1012382 #1020413 #1065600 #1070767 #1075697 
                    #1082943 #1087092 #1090435 #1102959 #1103429 
                    #1106929 #1109137 #1109248 #1119019 #1119843 
                    #1120691 #1120902 #1121713 #1121805 #1124235 
                    #1125315 #1125446 #1126389 #1126772 #1126773 
                    #1126805 #1127082 #1127155 #1127561 #1127725 
                    #1127731 #1127961 #1128166 #1128452 #1128565 
                    #1128696 #1128756 #1128893 #1129080 #1129179 
                    #1129237 #1129238 #1129239 #1129240 #1129241 
                    #1129413 #1129414 #1129415 #1129416 #1129417 
                    #1129418 #1129419 #1129581 #1129770 #1129923 
                    
Cross-References:   CVE-2019-2024 CVE-2019-9213
Affected Products:
                    SUSE Linux Enterprise Live Patching 12-SP3
______________________________________________________________________________

   An update that solves two vulnerabilities and has 53 fixes
   is now available.

Description:



   The SUSE Linux Enterprise 12 SP3 kernel was updated to 4.4.176 to receive
   various security and bugfixes.

   The following security bugs were fixed:

   - CVE-2019-9213: expand_downwards in mm/mmap.c lacked a check for the mmap
     minimum address, which made it easier for attackers to exploit kernel
     NULL pointer dereferences on non-SMAP platforms. This is related to a
     capability check for the wrong task (bnc#1128166).
   - CVE-2019-2024: A use-after-free when disconnecting a source was fixed
     which could lead to crashes. bnc#1129179).

   The following non-security bugs were fixed:

   - ax25: fix possible use-after-free (bnc#1012382).
   - block_dev: fix crash on chained bios with O_DIRECT (bsc#1090435).
   - block: do not use bio->bi_vcnt to figure out segment number
     (bsc#1128893).
   - bnxt_re: Fix couple of memory leaks that could lead to IOMMU call traces
     (bsc#1020413).
   - bpf: fix replace_map_fd_with_map_ptr's ldimm64 second imm field
     (bsc#1012382).
   - btrfs: ensure that a DUP or RAID1 block group has exactly two stripes
     (bsc#1128452).
   - ceph: avoid repeatedly adding inode to mdsc->snap_flush_list
     (bsc#1126773).
   - ch: add missing mutex_lock()/mutex_unlock() in ch_release()
     (bsc#1124235).
   - ch: fixup refcounting imbalance for SCSI devices (bsc#1124235).
   - copy_mount_string: Limit string length to PATH_MAX (bsc#1082943).
   - device property: Fix the length used in PROPERTY_ENTRY_STRING()
     (bsc#1129770).
   - drivers: hv: vmbus: Check for ring when getting debug info (bsc#1126389).
   - drm: Fix error handling in drm_legacy_addctx (bsc#1106929)
   - drm/nouveau/bios/ramcfg: fix missing parentheses when calculating RON
     (bsc#1106929)
   - drm/nouveau/pmu: do not print reply values if exec is false (bsc#1106929)
   - drm/radeon/evergreen_cs: fix missing break in switch statement
     (bsc#1106929)
   - drm/vmwgfx: Do not double-free the mode stored in par->set_mode
     (bsc#1103429)
   - enic: add wq clean up budget (bsc#1075697, bsc#1120691. bsc#1102959).
   - enic: do not overwrite error code (bnc#1012382).
   - fbdev: chipsfb: remove set but not used variable 'size' (bsc#1106929)
   - ibmvnic: Report actual backing device speed and duplex values
     (bsc#1129923).
   - ibmvscsi: Fix empty event pool access during host removal (bsc#1119019).
   - input: mms114 - fix license module information (bsc#1087092).
   - iommu/dmar: Fix buffer overflow during PCI bus notification
     (bsc#1129237).
   - iommu/io-pgtable-arm-v7s: Only kmemleak_ignore L2 tables (bsc#1129238).
   - iommu/vt-d: Check identity map for hot-added devices (bsc#1129239).
   - iommu/vt-d: Fix NULL pointer reference in intel_svm_bind_mm()
     (bsc#1129240).
   - ixgbe: fix crash in build_skb Rx code path (git-fixes).
   - kabi: protect struct inet_peer (kabi).
   - kallsyms: Handle too long symbols in kallsyms.c (bsc#1126805).
   - KMPs: obsolete older KMPs of the same flavour (bsc#1127155, bsc#1109137).
   - kvm: arm/arm64: vgic-its: Check CBASER/BASER validity before enabling
     the ITS (bsc#1109248).
   - kvm: arm/arm64: vgic-its: Check GITS_BASER Valid bit before saving
     tables (bsc#1109248).
   - kvm: arm/arm64: vgic-its: Fix return value for device table restore
     (bsc#1109248).
   - kvm: arm/arm64: vgic-its: Fix vgic_its_restore_collection_table returned
     value (bsc#1109248).
   - kvm: nVMX: Do not halt vcpu when L1 is injecting events to L2
     (bsc#1129413).
   - kvm: nVMX: Free the VMREAD/VMWRITE bitmaps if alloc_kvm_area() fails
     (bsc#1129414).
   - kvm: nVMX: NMI-window and interrupt-window exiting should wake L2 from
     HLT (bsc#1129415).
   - kvm: nVMX: Set VM instruction error for VMPTRLD of unbacked page
     (bsc#1129416).
   - kvm: VMX: Do not allow reexecute_instruction() when skipping MMIO instr
     (bsc#1129417).
   - kvm: vmx: Set IA32_TSC_AUX for legacy mode guests (bsc#1129418).
   - kvm: x86: Add AMD's EX_CFG to the list of ignored MSRs (bsc#1127082).
   - kvm: x86: IA32_ARCH_CAPABILITIES is always supported (bsc#1129419).
   - libceph: handle an empty authorize reply (bsc#1126772).
   - mdio_bus: Fix use-after-free on device_register fails (git-fixes).
   - mfd: as3722: Handle interrupts on suspend (bnc#1012382).
   - mfd: as3722: Mark PM functions as __maybe_unused (bnc#1012382).
   - mISDN: fix a race in dev_expire_timer() (bnc#1012382).
   - mlxsw: pci: Correctly determine if descriptor queue is full (git-fixes).
   - mlxsw: reg: Use correct offset in field definiton (git-fixes).
   - mm, devm_memremap_pages: mark devm_memremap_pages() EXPORT_SYMBOL_GPL
     (bnc#1012382).
   - mm,memory_hotplug: fix scan_movable_pages() for gigantic hugepages
     (bsc#1127731).
   - net: Add header for usage of fls64() (bnc#1012382).
   - net: Do not allocate page fragments that are not skb aligned
     (bnc#1012382).
   - net: dsa: bcm_sf2: Do not assume DSA master supports WoL (git-fixes).
   - net: dsa: mv88e6xxx: fix port VLAN maps (git-fixes).
   - net: Fix for_each_netdev_feature on Big endian (bnc#1012382).
   - net: fix IPv6 prefix route residue (bnc#1012382).
   - net/hamradio/6pack: Convert timers to use timer_setup() (git-fixes).
   - net/hamradio/6pack: use mod_timer() to rearm timers (git-fixes).
   - net: ipv4: use a dedicated counter for icmp_v4 redirect packets
     (bnc#1012382).
   - net: lan78xx: Fix race in tx pending skb size calculation (git-fixes).
   - net/mlx4_core: drop useless LIST_HEAD (git-fixes).
   - net/mlx4_core: Fix qp mtt size calculation (git-fixes).
   - net/mlx4_core: Fix reset flow when in command polling mode (git-fixes).
   - net/mlx4: Fix endianness issue in qp context params (git-fixes).
   - net/mlx5: Continue driver initialization despite debugfs failure
     (git-fixes).
   - net/mlx5e: Fix TCP checksum in LRO buffers (git-fixes).
   - net/mlx5: Fix driver load bad flow when having fw initializing timeout
     (git-fixes).
   - net/mlx5: fix uaccess beyond "count" in debugfs read/write handlers     (git-fixes).
   - net/mlx5: Fix use-after-free in self-healing flow (git-fixes).
   - net/mlx5: Return success for PAGE_FAULT_RESUME in internal error state
     (git-fixes).
   - net: mv643xx_eth: fix packet corruption with TSO and tiny unaligned
     packets (git-fixes).
   - net: phy: Avoid polling PHY with PHY_IGNORE_INTERRUPTS (git-fixes).
   - net: phy: bcm7xxx: Fix shadow mode 2 disabling (git-fixes).
   - net: qca_spi: Fix race condition in spi transfers (git-fixes).
   - net: stmmac: Fix a race in EEE enable callback (bnc#1012382).
   - net: stmmac: Fix a race in EEE enable callback (git-fixes).
   - net: thunderx: set tso_hdrs pointer to NULL in nicvf_free_snd_queue
     (git-fixes).
   - net/x25: do not hold the cpu too long in x25_new_lci() (bnc#1012382).
   - PCI/PME: Fix hotplug/sysfs remove deadlock in pcie_pme_remove()
     (bsc#1129241).
   - perf/x86: Add sysfs entry to freeze counters on SMI (bsc#1121805).
   - perf/x86/intel: Delay memory deallocation until x86_pmu_dead_cpu()
     (bsc#1121805).
   - perf/x86/intel: Do not enable freeze-on-smi for PerfMon V1 (bsc#1121805).
   - perf/x86/intel: Fix memory corruption (bsc#1121805).
   - perf/x86/intel: Generalize dynamic constraint creation (bsc#1121805).
   - perf/x86/intel: Implement support for TSX Force Abort (bsc#1121805).
   - perf/x86/intel: Make cpuc allocations consistent (bsc#1121805).
   - phy: micrel: Ensure interrupts are reenabled on resume (git-fixes).
   - powerpc/pseries: Add CPU dlpar remove functionality (bsc#1128756).
   - powerpc/pseries: Consolidate CPU hotplug code to hotplug-cpu.c
     (bsc#1128756).
   - powerpc/pseries: Factor out common cpu hotplug code (bsc#1128756).
   - powerpc/pseries: Perform full re-add of CPU for topology update
     post-migration (bsc#1128756).
   - pppoe: fix reception of frames with no mac header (git-fixes).
   - pptp: dst_release sk_dst_cache in pptp_sock_destruct (git-fixes).
   - pseries/energy: Use OF accessor function to read ibm,drc-indexes
     (bsc#1129080).
   - rdma/bnxt_re: Synchronize destroy_qp with poll_cq (bsc#1125446).
   - Revert "mm, devm_memremap_pages: mark devm_memremap_pages()
     EXPORT_SYMBOL_GPL" (bnc#1012382).
   - Revert "x86/platform/UV: Use efi_runtime_lock to serialise BIOS calls"
     (bsc#1128565).
   - s390/qeth: cancel close_dev work before removing a card (LTC#175898,
     bsc#1127561).
   - scsi: aacraid: Fix missing break in switch statement (bsc#1128696).
   - scsi: ibmvscsi: Fix empty event pool access during host removal
     (bsc#1119019).
   - scsi: lpfc: do not set queue->page_count to 0 if pc_sli4_params.wqpcnt
     is invalid (bsc#1127725).
   - scsi: qla2xxx: Fix early srb free on abort (bsc#1121713).
   - scsi: qla2xxx: Fix for double free of SRB structure (bsc#1121713).
   - scsi: qla2xxx: Increase abort timeout value (bsc#1121713).
   - scsi: qla2xxx: Move {get|rel}_sp to base_qpair struct (bsc#1121713).
   - scsi: qla2xxx: Return switch command on a timeout (bsc#1121713).
   - scsi: qla2xxx: Turn off IOCB timeout timer on IOCB completion
     (bsc#1121713).
   - scsi: qla2xxx: Use correct qpair for ABTS/CMD (bsc#1121713).
   - scsi: sym53c8xx: fix NULL pointer dereference panic in sym_int_sir()
     (bsc#1125315).
   - sky2: Increase D3 delay again (bnc#1012382).
   - tcp: clear icsk_backoff in tcp_write_queue_purge() (bnc#1012382).
   - tcp: tcp_v4_err() should be more careful (bnc#1012382).
   - team: avoid complex list operations in team_nl_cmd_options_set()
     (bnc#1012382).
   - team: Free BPF filter when unregistering netdev (git-fixes).
   - tracing: Do not free iter->trace in fail path of tracing_open_pipe()
     (bsc#1129581).
   - vsock: cope with memory allocation failure at socket creation time
     (bnc#1012382).
   - vxlan: test dev->flags & IFF_UP before calling netif_rx() (bnc#1012382).
   - wireless: airo: potential buffer overflow in sprintf() (bsc#1120902).
   - x86: Add TSX Force Abort CPUID/MSR (bsc#1121805).
   - x86: Fix incorrect value for X86_FEATURE_TSX_FORCE_ABORT
   - x86: livepatch: Treat R_X86_64_PLT32 as R_X86_64_PC32 (bnc#1012382).
   - xen, cpu_hotplug: Prevent an out of bounds access (bsc#1065600).
   - xen: remove pre-xen3 fallback handlers (bsc#1065600).
   - xfs: remove filestream item xfs_inode reference (bsc#1127961).


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 Live Patching 12-SP3:

      zypper in -t patch SUSE-SLE-Live-Patching-12-SP3-2019-801=1



Package List:

   - SUSE Linux Enterprise Live Patching 12-SP3 (ppc64le x86_64):

      kgraft-patch-4_4_176-94_88-default-1-4.9.1
      kgraft-patch-4_4_176-94_88-default-debuginfo-1-4.9.1


References:

   https://www.suse.com/security/cve/CVE-2019-2024.html
   https://www.suse.com/security/cve/CVE-2019-9213.html
   https://bugzilla.suse.com/1012382
   https://bugzilla.suse.com/1020413
   https://bugzilla.suse.com/1065600
   https://bugzilla.suse.com/1070767
   https://bugzilla.suse.com/1075697
   https://bugzilla.suse.com/1082943
   https://bugzilla.suse.com/1087092
   https://bugzilla.suse.com/1090435
   https://bugzilla.suse.com/1102959
   https://bugzilla.suse.com/1103429
   https://bugzilla.suse.com/1106929
   https://bugzilla.suse.com/1109137
   https://bugzilla.suse.com/1109248
   https://bugzilla.suse.com/1119019
   https://bugzilla.suse.com/1119843
   https://bugzilla.suse.com/1120691
   https://bugzilla.suse.com/1120902
   https://bugzilla.suse.com/1121713
   https://bugzilla.suse.com/1121805
   https://bugzilla.suse.com/1124235
   https://bugzilla.suse.com/1125315
   https://bugzilla.suse.com/1125446
   https://bugzilla.suse.com/1126389
   https://bugzilla.suse.com/1126772
   https://bugzilla.suse.com/1126773
   https://bugzilla.suse.com/1126805
   https://bugzilla.suse.com/1127082
   https://bugzilla.suse.com/1127155
   https://bugzilla.suse.com/1127561
   https://bugzilla.suse.com/1127725
   https://bugzilla.suse.com/1127731
   https://bugzilla.suse.com/1127961
   https://bugzilla.suse.com/1128166
   https://bugzilla.suse.com/1128452
   https://bugzilla.suse.com/1128565
   https://bugzilla.suse.com/1128696
   https://bugzilla.suse.com/1128756
   https://bugzilla.suse.com/1128893
   https://bugzilla.suse.com/1129080
   https://bugzilla.suse.com/1129179
   https://bugzilla.suse.com/1129237
   https://bugzilla.suse.com/1129238
   https://bugzilla.suse.com/1129239
   https://bugzilla.suse.com/1129240
   https://bugzilla.suse.com/1129241
   https://bugzilla.suse.com/1129413
   https://bugzilla.suse.com/1129414
   https://bugzilla.suse.com/1129415
   https://bugzilla.suse.com/1129416
   https://bugzilla.suse.com/1129417
   https://bugzilla.suse.com/1129418
   https://bugzilla.suse.com/1129419
   https://bugzilla.suse.com/1129581
   https://bugzilla.suse.com/1129770
   https://bugzilla.suse.com/1129923

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