Package "linux"

  linux (4.15.0-35.38) bionic; urgency=medium

  * linux: 4.15.0-35.38 -proposed tracker (LP: #1791719)

  * device hotplug of vfio devices can lead to deadlock in vfio_pci_release
    (LP: #1792099)
    - SAUCE: vfio -- release device lock before userspace requests

  * L1TF mitigation not effective in some CPU and RAM combinations
    (LP: #1788563)
    - x86/speculation/l1tf: Fix overflow in l1tf_pfn_limit() on 32bit
    - x86/speculation/l1tf: Fix off-by-one error when warning that system has too
      much RAM
    - x86/speculation/l1tf: Increase l1tf memory limit for Nehalem+

  * CVE-2018-15594
    - x86/paravirt: Fix spectre-v2 mitigations for paravirt guests

  * CVE-2017-5715 (Spectre v2 s390x)
    - KVM: s390: implement CPU model only facilities
    - s390: detect etoken facility
    - KVM: s390: add etoken support for guests
    - s390/lib: use expoline for all bcr instructions
    - s390: fix br_r1_trampoline for machines without exrl
    - SAUCE: s390: use expoline thunks for all branches generated by the BPF JIT

  * Ubuntu18.04.1: cpuidle: powernv: Fix promotion from snooze if next state
    disabled (performance) (LP: #1790602)
    - cpuidle: powernv: Fix promotion from snooze if next state disabled

  * Watchdog CPU:19 Hard LOCKUP when kernel crash was triggered (LP: #1790636)
    - powerpc: hard disable irqs in smp_send_stop loop
    - powerpc: Fix deadlock with multiple calls to smp_send_stop
    - powerpc: smp_send_stop do not offline stopped CPUs
    - powerpc/powernv: Fix opal_event_shutdown() called with interrupts disabled

  * Security fix: check if IOMMU page is contained in the pinned physical page
    (LP: #1785675)
    - vfio/spapr: Use IOMMU pageshift rather than pagesize
    - KVM: PPC: Check if IOMMU page is contained in the pinned physical page

  * Missing Intel GPU pci-id's (LP: #1789924)
    - drm/i915/kbl: Add KBL GT2 sku
    - drm/i915/whl: Introducing Whiskey Lake platform
    - drm/i915/aml: Introducing Amber Lake platform
    - drm/i915/cfl: Add a new CFL PCI ID.

  * CVE-2018-15572
    - x86/speculation: Protect against userspace-userspace spectreRSB

  * Support Power Management for Thunderbolt Controller (LP: #1789358)
    - thunderbolt: Handle NULL boot ACL entries properly
    - thunderbolt: Notify userspace when boot_acl is changed
    - thunderbolt: Use 64-bit DMA mask if supported by the platform
    - thunderbolt: Do not unnecessarily call ICM get route
    - thunderbolt: No need to take tb->lock in domain suspend/complete
    - thunderbolt: Use correct ICM commands in system suspend
    - thunderbolt: Add support for runtime PM

  * random oopses on s390 systems using NVMe devices (LP: #1790480)
    - s390/pci: fix out of bounds access during irq setup

  * [Bionic] Spectre v4 mitigation (Speculative Store Bypass Disable) support
    for arm64 using SMC firmware call to set a hardware chicken bit
    (LP: #1787993) // CVE-2018-3639 (arm64)
    - arm64: alternatives: Add dynamic patching feature
    - KVM: arm/arm64: Do not use kern_hyp_va() with kvm_vgic_global_state
    - KVM: arm64: Avoid storing the vcpu pointer on the stack
    - arm/arm64: smccc: Add SMCCC-specific return codes
    - arm64: Call ARCH_WORKAROUND_2 on transitions between EL0 and EL1
    - arm64: Add per-cpu infrastructure to call ARCH_WORKAROUND_2
    - arm64: Add ARCH_WORKAROUND_2 probing
    - arm64: Add 'ssbd' command-line option
    - arm64: ssbd: Add global mitigation state accessor
    - arm64: ssbd: Skip apply_ssbd if not using dynamic mitigation
    - arm64: ssbd: Restore mitigation status on CPU resume
    - arm64: ssbd: Introduce thread flag to control userspace mitigation
    - arm64: ssbd: Add prctl interface for per-thread mitigation
    - arm64: KVM: Add HYP per-cpu accessors
    - arm64: KVM: Add ARCH_WORKAROUND_2 support for guests
    - arm64: KVM: Handle guest's ARCH_WORKAROUND_2 requests
    - arm64: KVM: Add ARCH_WORKAROUND_2 discovery through ARCH_FEATURES_FUNC_ID
    - [Config] ARM64_SSBD=y

  * Reconcile hns3 SAUCE patches with upstream (LP: #1787477)
    - Revert "UBUNTU: SAUCE: net: hns3: Optimize PF CMDQ interrupt switching
      process"
    - Revert "UBUNTU: SAUCE: net: hns3: Fix for VF mailbox receiving unknown
      message"
    - Revert "UBUNTU: SAUCE: net: hns3: Fix for VF mailbox cannot receiving PF
      response"
    - Revert "UBUNTU: SAUCE: {topost} net: hns3: fix comments for
      hclge_get_ring_chain_from_mbx"
    - Revert "UBUNTU: SAUCE: {topost} net: hns3: fix for using wrong mask and
      shift in hclge_get_ring_chain_from_mbx"
    - Revert "UBUNTU: SAUCE: {topost} net: hns3: fix for reset_level default
      assignment probelm"
    - Revert "UBUNTU: SAUCE: {topost} net: hns3: remove unnecessary ring
      configuration operation while resetting"
    - Revert "UBUNTU: SAUCE: {topost} net: hns3: fix return value error in
      hns3_reset_notify_down_enet"
    - Revert "UBUNTU: SAUCE: net: hns3: Fix for phy link issue when using marvell
      phy driver"
    - Revert "UBUNTU: SAUCE: {topost} net: hns3: separate roce from nic when
      resetting"
    - Revert "UBUNTU: SAUCE: {topost} net: hns3: correct reset event status
      register"
    - Revert "UBUNTU: SAUCE: {topost} net: hns3: prevent to request reset
      frequently"
    - Revert "UBUNTU: SAUCE: {topost} net: hns3: reset net device with rtnl_lock"
    - Revert "UBUNTU: SAUCE: {topost} net: hns3: modify the order of initializeing
      command queue register"
    - Revert "UBUNTU: SAUCE: {topost} net: hns3: prevent sending command during
      global or core reset"
    - Revert "UBUNTU: SAUCE: {topost} net: hns3: remove the warning when clear
      reset cause"
    - Revert "UBUNTU: SAUCE: {topost} net: hns3: fix get_vector ops in
      hclgevf_main module"
    - Revert "UBUNTU: SAUCE: {topost} net: hns3: fix warning bug when doing lp
      selftest"
    - Revert "UBUNTU: SAUCE: {topost} net: hns3: Add configure for mac minimal
      frame size"
    - Revert "UBUN

  linux (4.15.0-34.37) bionic; urgency=medium

  * linux: 4.15.0-34.37 -proposed tracker (LP: #1788744)

  * Bionic update: upstream stable patchset 2018-08-09 (LP: #1786352)
    - MIPS: c-r4k: Fix data corruption related to cache coherence
    - MIPS: ptrace: Expose FIR register through FP regset
    - MIPS: Fix ptrace(2) PTRACE_PEEKUSR and PTRACE_POKEUSR accesses to o32 FGRs
    - KVM: Fix spelling mistake: "cop_unsuable" -> "cop_unusable"
    - affs_lookup(): close a race with affs_remove_link()
    - fs: don't scan the inode cache before SB_BORN is set
    - aio: fix io_destroy(2) vs. lookup_ioctx() race
    - ALSA: timer: Fix pause event notification
    - do d_instantiate/unlock_new_inode combinations safely
    - mmc: sdhci-iproc: remove hard coded mmc cap 1.8v
    - mmc: sdhci-iproc: fix 32bit writes for TRANSFER_MODE register
    - mmc: sdhci-iproc: add SDHCI_QUIRK2_HOST_OFF_CARD_ON for cygnus
    - libata: Blacklist some Sandisk SSDs for NCQ
    - libata: blacklist Micron 500IT SSD with MU01 firmware
    - xen-swiotlb: fix the check condition for xen_swiotlb_free_coherent
    - drm/vmwgfx: Fix 32-bit VMW_PORT_HB_[IN|OUT] macros
    - arm64: lse: Add early clobbers to some input/output asm operands
    - powerpc/64s: Clear PCR on boot
    - IB/hfi1: Use after free race condition in send context error path
    - IB/umem: Use the correct mm during ib_umem_release
    - idr: fix invalid ptr dereference on item delete
    - Revert "ipc/shm: Fix shmat mmap nil-page protection"
    - ipc/shm: fix shmat() nil address after round-down when remapping
    - mm/kasan: don't vfree() nonexistent vm_area
    - kasan: free allocated shadow memory on MEM_CANCEL_ONLINE
    - kasan: fix memory hotplug during boot
    - kernel/sys.c: fix potential Spectre v1 issue
    - KVM: s390: vsie: fix < 8k check for the itdba
    - KVM: x86: Update cpuid properly when CR4.OSXAVE or CR4.PKE is changed
    - kvm: x86: IA32_ARCH_CAPABILITIES is always supported
    - powerpc/64s: Improve RFI L1-D cache flush fallback
    - powerpc/pseries: Restore default security feature flags on setup
    - powerpc/64s: Fix section mismatch warnings from setup_rfi_flush()
    - MIPS: generic: Fix machine compatible matching
    - mac80211: mesh: fix wrong mesh TTL offset calculation
    - ARC: Fix malformed ARC_EMUL_UNALIGNED default
    - ptr_ring: prevent integer overflow when calculating size
    - arm64: dts: rockchip: fix rock64 gmac2io stability issues
    - arm64: dts: rockchip: correct ep-gpios for rk3399-sapphire
    - libata: Fix compile warning with ATA_DEBUG enabled
    - selftests: sync: missing CFLAGS while compiling
    - selftest/vDSO: fix O=
    - selftests: pstore: Adding config fragment CONFIG_PSTORE_RAM=m
    - selftests: memfd: add config fragment for fuse
    - ARM: OMAP2+: timer: fix a kmemleak caused in omap_get_timer_dt
    - ARM: OMAP3: Fix prm wake interrupt for resume
    - ARM: OMAP2+: Fix sar_base inititalization for HS omaps
    - ARM: OMAP1: clock: Fix debugfs_create_*() usage
    - tls: retrun the correct IV in getsockopt
    - xhci: workaround for AMD Promontory disabled ports wakeup
    - IB/uverbs: Fix method merging in uverbs_ioctl_merge
    - IB/uverbs: Fix possible oops with duplicate ioctl attributes
    - IB/uverbs: Fix unbalanced unlock on error path for rdma_explicit_destroy
    - arm64: dts: rockchip: Fix DWMMC clocks
    - ARM: dts: rockchip: Fix DWMMC clocks
    - iwlwifi: mvm: fix security bug in PN checking
    - iwlwifi: mvm: fix IBSS for devices that support station type API
    - iwlwifi: mvm: always init rs with 20mhz bandwidth rates
    - NFC: llcp: Limit size of SDP URI
    - rxrpc: Work around usercopy check
    - MD: Free bioset when md_run fails
    - md: fix md_write_start() deadlock w/o metadata devices
    - s390/dasd: fix handling of internal requests
    - xfrm: do not call rcu_read_unlock when afinfo is NULL in xfrm_get_tos
    - mac80211: round IEEE80211_TX_STATUS_HEADROOM up to multiple of 4
    - mac80211: fix a possible leak of station stats
    - mac80211: fix calling sleeping function in atomic context
    - cfg80211: clear wep keys after disconnection
    - mac80211: Do not disconnect on invalid operating class
    - mac80211: Fix sending ADDBA response for an ongoing session
    - gpu: ipu-v3: pre: fix device node leak in ipu_pre_lookup_by_phandle
    - gpu: ipu-v3: prg: fix device node leak in ipu_prg_lookup_by_phandle
    - md raid10: fix NULL deference in handle_write_completed()
    - drm/exynos: g2d: use monotonic timestamps
    - drm/exynos: fix comparison to bitshift when dealing with a mask
    - drm/meson: fix vsync buffer update
    - arm64: perf: correct PMUVer probing
    - RDMA/bnxt_re: Unpin SQ and RQ memory if QP create fails
    - RDMA/bnxt_re: Fix system crash during load/unload
    - net/mlx5e: Return error if prio is specified when offloading eswitch vlan
      push
    - locking/xchg/alpha: Add unconditional memory barrier to cmpxchg()
    - md: raid5: avoid string overflow warning
    - virtio_net: fix XDP code path in receive_small()
    - kernel/relay.c: limit kmalloc size to KMALLOC_MAX_SIZE
    - bug.h: work around GCC PR82365 in BUG()
    - selftests/memfd: add run_fuse_test.sh to TEST_FILES
    - seccomp: add a selftest for get_metadata
    - soc: imx: gpc: de-register power domains only if initialized
    - powerpc/bpf/jit: Fix 32-bit JIT for seccomp_data access
    - s390/cio: fix ccw_device_start_timeout API
    - s390/cio: fix return code after missing interrupt
    - s390/cio: clear timer when terminating driver I/O
    - selftests/bpf/test_maps: exit child process without error in ENOMEM case
    - PKCS#7: fix direct verification of SignerInfo signature
    - arm64: dts: cavium: fix PCI bus dtc warnings
    - nfs: system crashes after NFS4ERR_MOVED recovery
    - ARM: OMAP: Fix dmtimer init for omap1
    - smsc75xx: fix smsc75xx_set_features()
    - regulatory: add NUL to request alpha2
    - integrity/security: fix d

  linux (4.15.0-33.36) bionic; urgency=medium

  * linux: 4.15.0-33.36 -proposed tracker (LP: #1787149)

  * RTNL assertion failure on ipvlan (LP: #1776927)
    - ipvlan: drop ipv6 dependency
    - ipvlan: use per device spinlock to protect addrs list updates
    - SAUCE: fix warning from "ipvlan: drop ipv6 dependency"

  * ubuntu_bpf_jit test failed on Bionic s390x systems (LP: #1753941)
    - test_bpf: flag tests that cannot be jited on s390

  * HDMI/DP audio can't work on the laptop of Dell Latitude 5495 (LP: #1782689)
    - drm/nouveau: fix nouveau_dsm_get_client_id()'s return type
    - drm/radeon: fix radeon_atpx_get_client_id()'s return type
    - drm/amdgpu: fix amdgpu_atpx_get_client_id()'s return type
    - platform/x86: apple-gmux: fix gmux_get_client_id()'s return type
    - ALSA: hda: use PCI_BASE_CLASS_DISPLAY to replace PCI_CLASS_DISPLAY_VGA
    - vga_switcheroo: set audio client id according to bound GPU id

  * locking sockets broken due to missing AppArmor socket mediation patches
    (LP: #1780227)
    - UBUNTU SAUCE: apparmor: fix apparmor mediating locking non-fs, unix sockets

  * Update2 for ocxl driver (LP: #1781436)
    - ocxl: Fix page fault handler in case of fault on dying process

  * netns: unable to follow an interface that moves to another netns
    (LP: #1774225)
    - net: core: Expose number of link up/down transitions
    - dev: always advertise the new nsid when the netns iface changes
    - dev: advertise the new ifindex when the netns iface changes

  * [Bionic] Disk IO hangs when using BFQ as io scheduler (LP: #1780066)
    - block, bfq: fix occurrences of request finish method's old name
    - block, bfq: remove batches of confusing ifdefs
    - block, bfq: add requeue-request hook

  * HP ProBook 455 G5 needs mute-led-gpio fixup (LP: #1781763)
    - ALSA: hda: add mute led support for HP ProBook 455 G5

  * [Bionic] bug fixes to improve stability of the ThunderX2 i2c driver
    (LP: #1781476)
    - i2c: xlp9xx: Fix issue seen when updating receive length
    - i2c: xlp9xx: Make sure the transfer size is not more than
      I2C_SMBUS_BLOCK_SIZE

  * x86/kvm: fix LAPIC timer drift when guest uses periodic mode (LP: #1778486)
    - x86/kvm: fix LAPIC timer drift when guest uses periodic mode

  * Please include ax88179_178a and r8152 modules in d-i udeb (LP: #1771823)
    - [Config:] d-i: Add ax88179_178a and r8152 to nic-modules

  * Nvidia fails after switching its mode (LP: #1778658)
    - PCI: Restore config space on runtime resume despite being unbound

  * Kernel error "task zfs:pid blocked for more than 120 seconds" (LP: #1781364)
    - SAUCE: (noup) zfs to 0.7.5-1ubuntu16.3

  * CVE-2018-12232
    - PATCH 1/1] socket: close race condition between sock_close() and
      sockfs_setattr()

  * CVE-2018-10323
    - xfs: set format back to extents if xfs_bmap_extents_to_btree

  * change front mic location for more lenovo m7/8/9xx machines (LP: #1781316)
    - ALSA: hda/realtek - Fix the problem of two front mics on more machines
    - ALSA: hda/realtek - two more lenovo models need fixup of MIC_LOCATION

  * Cephfs + fscache: unable to handle kernel NULL pointer dereference at
    0000000000000000 IP: jbd2__journal_start+0x22/0x1f0 (LP: #1783246)
    - ceph: track read contexts in ceph_file_info

  * Touchpad of ThinkPad P52 failed to work with message "lost sync at byte"
    (LP: #1779802)
    - Input: elantech - fix V4 report decoding for module with middle key
    - Input: elantech - enable middle button of touchpads on ThinkPad P52

  * xhci_hcd 0000:00:14.0: Root hub is not suspended (LP: #1779823)
    - usb: xhci: dbc: Fix lockdep warning
    - usb: xhci: dbc: Don't decrement runtime PM counter if DBC is not started

  * CVE-2018-13406
    - video: uvesafb: Fix integer overflow in allocation

  * CVE-2018-10840
    - ext4: correctly handle a zero-length xattr with a non-zero e_value_offs

  * CVE-2018-11412
    - ext4: do not allow external inodes for inline data

  * CVE-2018-10881
    - ext4: clear i_data in ext4_inode_info when removing inline data

  * CVE-2018-12233
    - jfs: Fix inconsistency between memory allocation and ea_buf->max_size

  * CVE-2018-12904
    - kvm: nVMX: Enforce cpl=0 for VMX instructions

  * Error parsing PCC subspaces from PCCT (LP: #1528684)
    - mailbox: PCC: erroneous error message when parsing ACPI PCCT

  * CVE-2018-13094
    - xfs: don't call xfs_da_shrink_inode with NULL bp

  * other users' coredumps can be read via setgid directory and killpriv bypass
    (LP: #1779923) // CVE-2018-13405
    - Fix up non-directory creation in SGID directories

  * Invoking obsolete 'firmware_install' target breaks snap build (LP: #1782166)
    - snapcraft.yaml: stop invoking the obsolete (and non-existing)
      'firmware_install' target

  * snapcraft.yaml: missing ubuntu-retpoline-extract-one script breaks the build
    (LP: #1782116)
    - snapcraft.yaml: copy retpoline-extract-one to scripts before build

  * Allow Raven Ridge's audio controller to be runtime suspended (LP: #1782540)
    - ALSA: hda: Add AZX_DCAPS_PM_RUNTIME for AMD Raven Ridge

  * CVE-2018-11506
    - sr: pass down correctly sized SCSI sense buffer

  * Bionic update: upstream stable patchset 2018-07-24 (LP: #1783418)
    - net: Fix a bug in removing queues from XPS map
    - net/mlx4_core: Fix error handling in mlx4_init_port_info.
    - net/sched: fix refcnt leak in the error path of tcf_vlan_init()
    - net: sched: red: avoid hashing NULL child
    - net/smc: check for missing nlattrs in SMC_PNETID messages
    - net: test tailroom before appending to linear skb
    - packet: in packet_snd start writing at link layer allocation
    - sock_diag: fix use-after-free read in __sk_free
    - tcp: purge write queue in tcp_connect_init()
    - vmxnet3: set the DMA mask before the first DMA map operation
    - vmxnet3: use DMA memory barriers where required
    - hv_netvsc: empty current transmit aggregation if flow blocked
    - hv_netvsc: Us