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[Launchpad Bug Tracker <1546145@xxxxxxxxxxxxxxxxxx>]

This bug was fixed in the package linux - 4.2.0-34.39

---------------
linux (4.2.0-34.39) wily; urgency=low

  [ Brad Figg ]

  * Release Tracking Bug
    - LP: #1555821

  [ Florian Westphal ]

  * SAUCE: [nf] netfilter: x_tables: check for size overflow
    - LP: #1555353
  * SAUCE: [nf,v2] netfilter: x_tables: don't rely on well-behaving
    userspace
    - LP: #1555338

linux (4.2.0-33.38) wily; urgency=low

  [ Brad Figg ]

  * Release Tracking Bug
    - LP: #1554649

  [ Upstream Kernel Changes ]

  * Revert "drm/radeon: call hpd_irq_event on resume"
    - LP: #1554608
  * cxl: Fix PSL timebase synchronization detection
    - LP: #1532914

linux (4.2.0-32.37) wily; urgency=low

  [ Kamal Mostafa ]

  * Release Tracking Bug
    - LP: #1550045

  [ Kamal Mostafa ]

  * Merged back Ubuntu-4.2.0-31.36

linux (4.2.0-31.36) wily; urgency=low

  [ Brad Figg ]

  * Release Tracking Bug
    - LP: #1548579

  [ Andy Whitcroft ]

  * [Debian] hv: hv_set_ifconfig -- convert to python3
    - LP: #1506521
  * [Debian] hv: hv_set_ifconfig -- switch to approved indentation
    - LP: #1540586
  * [Debian] hv: hv_set_ifconfig -- fix numerous parameter handling issues
    - LP: #1540586

  [ Carol L Soto ]

  * SAUCE: IB/IPoIB: Do not set skb truesize since using one linearskb
    - LP: #1541326

  [ Dan Streetman ]

  * SAUCE: nbd: ratelimit error msgs after socket close
    - LP: #1505564

  [ Tim Gardner ]

  * Revert "SAUCE: (noup) cxlflash: Fix to avoid virtual LUN failover
    failure"
    - LP: #1541635
  * Revert "SAUCE: (noup) cxlflash: Fix to escalate LINK_RESET also on port
    1"
    - LP: #1541635
  * [Config] ARMV8_DEPRECATED=y
    - LP: #1545542

  [ Upstream Kernel Changes ]

  * x86/xen/p2m: hint at the last populated P2M entry
    - LP: #1542941
  * mm: add dma_pool_zalloc() call to DMA API
    - LP: #1543737
  * sctp: Prevent soft lockup when sctp_accept() is called during a timeout
    event
    - LP: #1543737
  * xen-netback: respect user provided max_queues
    - LP: #1543737
  * xen-netfront: respect user provided max_queues
    - LP: #1543737
  * xen-netfront: update num_queues to real created
    - LP: #1543737
  * iio: adis_buffer: Fix out-of-bounds memory access
    - LP: #1543737
  * KVM: PPC: Fix emulation of H_SET_DABR/X on POWER8
    - LP: #1543737
  * KVM: PPC: Fix ONE_REG AltiVec support
    - LP: #1543737
  * x86/irq: Call chip->irq_set_affinity in proper context
    - LP: #1543737
  * drm/amdgpu: fix tonga smu resume
    - LP: #1543737
  * perf kvm record/report: 'unprocessable sample' error while
    recording/reporting guest data
    - LP: #1543737
  * hrtimer: Handle remaining time proper for TIME_LOW_RES
    - LP: #1543737
  * timerfd: Handle relative timers with CONFIG_TIME_LOW_RES proper
    - LP: #1543737
  * posix-timers: Handle relative timers with CONFIG_TIME_LOW_RES proper
    - LP: #1543737
  * itimers: Handle relative timers with CONFIG_TIME_LOW_RES proper
    - LP: #1543737
  * drm/amdgpu: Use drm_calloc_large for VM page_tables array
    - LP: #1543737
  * drm/amdgpu: fix amdgpu_bo_pin_restricted VRAM placing v2
    - LP: #1543737
  * drm/radeon: properly byte swap vce firmware setup
    - LP: #1543737
  * ACPI: Revert "ACPI / video: Add Dell Inspiron 5737 to the blacklist"
    - LP: #1543737
  * ACPI / PCI / hotplug: unlock in error path in acpiphp_enable_slot()
    - LP: #1543737
  * hwmon: (dell-smm) Blacklist Dell Studio XPS 8000
    - LP: #1543737
  * usb: cdc-acm: handle unlinked urb in acm read callback
    - LP: #1543737
  * usb: cdc-acm: send zero packet for intel 7260 modem
    - LP: #1543737
  * cdc-acm:exclude Samsung phone 04e8:685d
    - LP: #1543737
  * usb: hub: do not clear BOS field during reset device
    - LP: #1543737
  * USB: cp210x: add ID for IAI USB to RS485 adaptor
    - LP: #1543737
  * USB: visor: fix null-deref at probe
    - LP: #1543737
  * USB: serial: visor: fix crash on detecting device without write_urbs
    - LP: #1543737
  * USB: serial: option: Adding support for Telit LE922
    - LP: #1543737
  * ALSA: seq: Fix incorrect sanity check at snd_seq_oss_synth_cleanup()
    - LP: #1543737
  * ALSA: seq: Degrade the error message for too many opens
    - LP: #1543737
  * USB: serial: ftdi_sio: add support for Yaesu SCU-18 cable
    - LP: #1543737
  * arm64: kernel: fix architected PMU registers unconditional access
    - LP: #1543737
  * USB: option: fix Cinterion AHxx enumeration
    - LP: #1543737
  * ALSA: compress: Disable GET_CODEC_CAPS ioctl for some architectures
    - LP: #1543737
  * ALSA: usb-audio: Fix TEAC UD-501/UD-503/NT-503 usb delay
    - LP: #1543737
  * virtio_pci: fix use after free on release
    - LP: #1543737
  * ALSA: bebob: Use a signed return type for get_formation_index
    - LP: #1543737
  * arm64: errata: Add -mpc-relative-literal-loads to build flags
    - LP: #1533009, #1543737
  * arm64: mm: avoid calling apply_to_page_range on empty range
    - LP: #1543737
  * x86/mm: Fix types used in pgprot cacheability flags translations
    - LP: #1543737
  * powerpc/eeh: Fix PE location code
    - LP: #1543737
  * SCSI: fix crashes in sd and sr runtime PM
    - LP: #1543737
  * tty: Fix unsafe ldisc reference via ioctl(TIOCGETD)
    - LP: #1543737
  * n_tty: Fix unsafe reference to "other" ldisc
    - LP: #1543737
  * staging/speakup: Use tty_ldisc_ref() for paste kworker
    - LP: #1543737
  * tick/nohz: Set the correct expiry when switching to nohz/lowres mode
    - LP: #1543737
  * irqchip/atmel-aic: Fix wrong bit operation for IRQ priority
    - LP: #1543737
  * seccomp: always propagate NO_NEW_PRIVS on tsync
    - LP: #1543737
  * drm/radeon: cleaned up VCO output settings for DP audio
    - LP: #1543737
  * drm/radeon: Add a common function for DFS handling
    - LP: #1543737
  * drm/radeon: fix DP audio support for APU with DCE4.1 display engine
    - LP: #1543737
  * cpufreq: Fix NULL reference crash while accessing policy->governor_data
    - LP: #1543737
  * cpufreq: pxa2xx: fix pxa_cpufreq_change_voltage prototype
    - LP: #1543737
  * ALSA: dummy: Disable switching timer backend via sysfs
    - LP: #1543737
  * drm/vmwgfx: respect 'nomodeset'
    - LP: #1543737
  * Staging: speakup: Fix getting port information
    - LP: #1543737
  * x86/mm/pat: Avoid truncation when converting cpa->numpages to address
    - LP: #1543737
  * serial: 8250_pci: Add Intel Broadwell ports
    - LP: #1543737
  * perf annotate browser: Fix behaviour of Shift-Tab with nothing focussed
    - LP: #1543737
  * perf hists: Fix HISTC_MEM_DCACHELINE width setting
    - LP: #1543737
  * powerpc/perf: Remove PPMU_HAS_SSLOT flag for Power8
    - LP: #1543737
  * Linux 4.2.8-ckt4
    - LP: #1543737
  * cxlflash: Resolve oops in wait_port_offline
    - LP: #1541635
  * cxlflash: Fix to resolve cmd leak after host reset
    - LP: #1541635
  * cxlflash: Removed driver date print
    - LP: #1541635
  * cxlflash: drop unlikely before IS_ERR_OR_NULL
    - LP: #1541635
  * powerpc/powernv: Panic on unhandled Machine Check
    - LP: #1541635
  * cxlflash: Fix to avoid virtual LUN failover failure
    - LP: #1541635
  * cxlflash: Fix to escalate LINK_RESET also on port 1
    - LP: #1541635
  * IB/ipoib: Suppress warning for send only join failures
    - LP: #1542444
  * IB/ipoib: Expire sendonly multicast joins
    - LP: #1542444
  * IB/ipoib: increase the max mcast backlog queue
    - LP: #1542444
  * IB/ipoib: For sendonly join free the multicast group on leave
    - LP: #1542444
  * qeth: initialize net_device with carrier off
    - LP: #1541907
  * mwifiex: remove USB8897 chipset support
    - LP: #1494593
  * powerpc/powernv: Fix stale PE primary bus
    - LP: #1546145
  * ALSA: usb-audio: avoid freeing umidi object twice
    - LP: #1546177
    - CVE-2016-2384

 -- Brad Figg <brad.figg@xxxxxxxxxxxxx>  Thu, 10 Mar 2016 13:46:44 -0800

** Changed in: linux (Ubuntu Wily)
       Status: Fix Committed => Fix Released

** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2016-2384

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https://bugs.launchpad.net/bugs/1546145

Title:
  Surelock-GA2:kernel panic @ cxl_configure_adapter+0x418/0x8b0

Status in linux package in Ubuntu:
  Fix Released
Status in linux source package in Wily:
  Fix Released
Status in linux source package in Xenial:
  Fix Released

Bug description:
  == Comment: #18 - Andrew Donnellan - 2016-02-15 20:17:01 ==
  Canonical kernel team - please apply 1bc74f1ccd457832dc515fc1febe6655985fdcd2 from the powerpc-fixes tree.

  https://git.kernel.org/cgit/linux/kernel/git/powerpc/linux.git/commit/?h=fixes&id=1bc74f1ccd457832dc515fc1febe6655985fdcd2

  powerpc/powernv: Fix stale PE primary bus
  When PCI bus is unplugged during full hotplug for EEH recovery,
  the platform PE instance (struct pnv_ioda_pe) isn't released and
  it dereferences the stale PCI bus that has been released. It leads
  to kernel crash when referring to the stale PCI bus.

  This fixes the issue by correcting the PE's primary bus when it's
  oneline at plugging time, in pnv_pci_dma_bus_setup() which is to
  be called by pcibios_fixup_bus().

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