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[Launchpad Bug Tracker <1577024@xxxxxxxxxxxxxxxxxx>]

This bug was fixed in the package linux - 3.19.0-64.72

---------------
linux (3.19.0-64.72) vivid; urgency=low

  [ Luis Henriques ]

  * Release Tracking Bug
    - LP: #1595976

  [ Upstream Kernel Changes ]

  * netfilter: x_tables: validate e->target_offset early
    - LP: #1555338
    - CVE-2016-3134
  * netfilter: x_tables: make sure e->next_offset covers remaining blob
    size
    - LP: #1555338
    - CVE-2016-3134
  * netfilter: x_tables: fix unconditional helper
    - LP: #1555338
    - CVE-2016-3134
  * netfilter: x_tables: don't move to non-existent next rule
    - LP: #1595350
  * netfilter: x_tables: validate targets of jumps
    - LP: #1595350
  * netfilter: x_tables: add and use xt_check_entry_offsets
    - LP: #1595350
  * netfilter: x_tables: kill check_entry helper
    - LP: #1595350
  * netfilter: x_tables: assert minimum target size
    - LP: #1595350
  * netfilter: x_tables: add compat version of xt_check_entry_offsets
    - LP: #1595350
  * netfilter: x_tables: check standard target size too
    - LP: #1595350
  * netfilter: x_tables: check for bogus target offset
    - LP: #1595350
  * netfilter: x_tables: validate all offsets and sizes in a rule
    - LP: #1595350
  * netfilter: x_tables: don't reject valid target size on some
    architectures
    - LP: #1595350
  * netfilter: arp_tables: simplify translate_compat_table args
    - LP: #1595350
  * netfilter: ip_tables: simplify translate_compat_table args
    - LP: #1595350
  * netfilter: ip6_tables: simplify translate_compat_table args
    - LP: #1595350
  * netfilter: x_tables: xt_compat_match_from_user doesn't need a retval
    - LP: #1595350
  * netfilter: x_tables: do compat validation via translate_table
    - LP: #1595350
  * netfilter: x_tables: introduce and use xt_copy_counters_from_user
    - LP: #1595350

linux (3.19.0-63.71) vivid; urgency=low

  [ Kamal Mostafa ]

  * Release Tracking Bug
    - LP: #1595723

  [ Serge Hallyn ]

  * SAUCE: add a sysctl to disable unprivileged user namespace unsharing
    - LP: #1555338, #1595350

linux (3.19.0-62.70) vivid; urgency=low

  [ Kamal Mostafa ]

  * Release Tracking Bug
    - LP: #1591307

  [ Kamal Mostafa ]

  * [debian] getabis: Only git add $abidir if running in local repo
    - LP: #1584890
  * [debian] getabis: Fix inconsistent compiler versions check
    - LP: #1584890

  [ Tim Gardner ]

  * [Config] Remove arc4 from nic-modules
    - LP: #1582991

  [ Upstream Kernel Changes ]

  * Revert "usb: hub: do not clear BOS field during reset device"
    - LP: #1582864
  * ALSA: timer: Fix leak in SNDRV_TIMER_IOCTL_PARAMS
    - LP: #1580379
    - CVE-2016-4569
  * ALSA: timer: Fix leak in events via snd_timer_user_ccallback
    - LP: #1581866
    - CVE-2016-4578
  * ALSA: timer: Fix leak in events via snd_timer_user_tinterrupt
    - LP: #1581866
    - CVE-2016-4578
  * net: fix a kernel infoleak in x25 module
    - LP: #1585366
    - CVE-2016-4580
  * get_rock_ridge_filename(): handle malformed NM entries
    - LP: #1583962
    - CVE-2016-4913
  * tipc: check nl sock before parsing nested attributes
    - LP: #1585365
    - CVE-2016-4951
  * netfilter: Set /proc/net entries owner to root in namespace
    - LP: #1584953
  * USB: usbfs: fix potential infoleak in devio
    - LP: #1578493
    - CVE-2016-4482
  * USB: leave LPM alone if possible when binding/unbinding interface
    drivers
    - LP: #1577024
  * compiler-gcc: integrate the various compiler-gcc[345].h files
    - LP: #1587557
  * fix backport "IB/security: restrict use of the write() interface"
    - LP: #1587557
  * x86: LLVMLinux: Fix "incomplete type const struct x86cpu_device_id"
    - LP: #1587557
  * regulator: s2mps11: Fix invalid selector mask and voltages for buck9
    - LP: #1587557
  * regmap: spmi: Fix regmap_spmi_ext_read in multi-byte case
    - LP: #1587557
  * atomic_open(): fix the handling of create_error
    - LP: #1587557
  * crypto: hash - Fix page length clamping in hash walk
    - LP: #1587557
  * drm/radeon: fix PLL sharing on DCE6.1 (v2)
    - LP: #1587557
  * ALSA: hda - Fix white noise on Asus UX501VW headset
    - LP: #1587557
  * Input: max8997-haptic - fix NULL pointer dereference
    - LP: #1587557
  * drm/i915: Bail out of pipe config compute loop on LPT
    - LP: #1587557
  * ALSA: hda - Fix subwoofer pin on ASUS N751 and N551
    - LP: #1587557
  * tools lib traceevent: Free filter tokens in process_filter()
    - LP: #1587557
  * tools lib traceevent: Do not reassign parg after collapse_tree()
    - LP: #1587557
  * workqueue: fix rebind bound workers warning
    - LP: #1587557
  * ocfs2: fix posix_acl_create deadlock
    - LP: #1587557
  * nf_conntrack: avoid kernel pointer value leak in slab name
    - LP: #1587557
  * net: fec: only clear a queue's work bit if the queue was emptied
    - LP: #1587557
  * net/mlx4_en: Fix endianness bug in IPV6 csum calculation
    - LP: #1587557
  * macvtap: segmented packet is consumed
    - LP: #1587557
  * tcp: refresh skb timestamp at retransmit time
    - LP: #1587557
  * arm64: bpf: jit JMP_JSET_{X,K}
    - LP: #1587557
  * decnet: Do not build routes to devices without decnet private data.
    - LP: #1587557
  * route: do not cache fib route info on local routes with oif
    - LP: #1587557
  * net: use skb_postpush_rcsum instead of own implementations
    - LP: #1587557
  * vlan: pull on __vlan_insert_tag error path and fix csum correction
    - LP: #1587557
  * ipv4/fib: don't warn when primary address is missing if in_dev is dead
    - LP: #1587557
  * bpf: fix double-fdput in replace_map_fd_with_map_ptr()
    - LP: #1587557
  * net_sched: introduce qdisc_replace() helper
    - LP: #1587557
  * net_sched: update hierarchical backlog too
    - LP: #1587557
  * sch_htb: update backlog as well
    - LP: #1587557
  * sch_dsmark: update backlog as well
    - LP: #1587557
  * netem: Segment GSO packets on enqueue
    - LP: #1587557
  * VSOCK: do not disconnect socket when peer has shutdown SEND only
    - LP: #1587557
  * net: bridge: fix old ioctl unlocked net device walk
    - LP: #1587557
  * Linux 3.19.8-ckt22
    - LP: #1587557
  * usb: core: hub: hub_port_init lock controller instead of bus
    - LP: #1437492
  * i915_bpo: Check live status before reading edid
    - LP: #1588375

 -- Luis Henriques <luis.henriques@xxxxxxxxxxxxx>  Fri, 24 Jun 2016
15:39:13 +0100

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

-- 
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Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1577024

Title:
  Kernel 4.2.X and 4.4.X - Fix USB3.0 link power management (LPM)
  claim/release logic in USBFS

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

Bug description:
  I am currently carrying out kernel testing and debugging with Alan Stern on the mainline kernel. Alan has proposed a patch to resolve a bug in USBFS that causes USB machine vision cameras to fail on kernels that contain the following patch:
      commit e951f84074b84a3f5aecbffd01da74576e0068d5
      Author: Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx>
      Date:   Tue Jun 16 09:08:26 2015 +0800
      usb: core: lpm: set lpm_capable for root hub device
      commit 2d2a316765d956bc5cb6bb367b2ec52ca59ab8e9 upstream.

  There is an issue in this patch that impacts software that rapidly
  issues claim/release calls in USBFS, and all of our customers that use
  Ubuntu 14.04.4 (kernel 4.2.x) and Ubuntu 16.04 (kernel 4.4.x) are
  unable to communicate with their machine vision cameras using our
  software stack.

  The patch for the mainline kernel is being tested, and is currently posted, along with a history of this issue, at:
  https://bugzilla.kernel.org/show_bug.cgi?id=115961

  Right now, all of our customers have to either use an older kernel, or
  manually patch their own kernel with the fix provided by Alan if they
  are required to use a newer kernel. I am raising this bug so that,
  once the patch is submitted to the the mainline/linus series, it can
  be included in the next "monthly" kernel update made available to the
  general public, and so our customers can just run a normal "vanilla"
  system without having to rely on manually patching their kernel every
  time they need to update.

  I can be contacted at:
  matthew@xxxxxxxxxx
  matthew.giassa@xxxxxxxxxx

  Thank you.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-55-generic 3.13.0-55.94
  ProcVersionSignature: Ubuntu 3.13.0-55.94-generic 3.13.11-ckt20
  Uname: Linux 3.13.0-55-generic i686
  NonfreeKernelModules: nvidia
  ApportVersion: 2.14.1-0ubuntu3.19
  Architecture: i386
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  owner      4035 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Sat Apr 30 10:36:15 2016
  EcryptfsInUse: Yes
  HibernationDevice: RESUME=UUID=0287e25d-68d6-4390-aced-c682b8e13b60
  InstallationDate: Installed on 2013-09-23 (949 days ago)
  InstallationMedia: Ubuntu 12.04.3 LTS "Precise Pangolin" - Release i386 (20130820.1)
  IwConfig:
   lo        no wireless extensions.
   
   cscotun0  no wireless extensions.
   
   eth0      no wireless extensions.
  MachineType: Hewlett-Packard HP xw4600 Workstation
  ProcFB:
   
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-55-generic root=UUID=292845c9-c333-4592-aa06-bc01f45d3ee6 ro quiet splash
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-55-generic N/A
   linux-backports-modules-3.13.0-55-generic  N/A
   linux-firmware                             1.127.19
  RfKill:
   
  SourcePackage: linux
  UpgradeStatus: Upgraded to trusty on 2014-07-30 (639 days ago)
  dmi.bios.date: 07/09/2012
  dmi.bios.vendor: Hewlett-Packard
  dmi.bios.version: 786F3 v01.34
  dmi.board.asset.tag: CAC94101JZ
  dmi.board.name: 0AA0h
  dmi.board.vendor: Hewlett-Packard
  dmi.chassis.asset.tag: CAC94101JZ
  dmi.chassis.type: 6
  dmi.chassis.vendor: Hewlett-Packard
  dmi.modalias: dmi:bvnHewlett-Packard:bvr786F3v01.34:bd07/09/2012:svnHewlett-Packard:pnHPxw4600Workstation:pvr:rvnHewlett-Packard:rn0AA0h:rvr:cvnHewlett-Packard:ct6:cvr:
  dmi.product.name: HP xw4600 Workstation
  dmi.sys.vendor: Hewlett-Packard

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