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[Launchpad Bug Tracker <1582771@xxxxxxxxxxxxxxxxxx>]

This bug was fixed in the package linux - 3.19.0-61.69

---------------
linux (3.19.0-61.69) vivid; urgency=low

  [ Kamal Mostafa ]

  * CVE-2016-1583 (LP: #1588871)
    - ecryptfs: fix handling of directory opening
    - SAUCE: proc: prevent stacking filesystems on top
    - SAUCE: ecryptfs: forbid opening files without mmap handler
    - SAUCE: sched: panic on corrupted stack end

 -- Andy Whitcroft <apw@xxxxxxxxxxxxx>  Wed, 08 Jun 2016 22:25:58 +0100

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

** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2016-1583

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https://bugs.launchpad.net/bugs/1582771

Title:
  Vivid update to v3.19.8-ckt21 stable release

Status in linux package in Ubuntu:
  New
Status in linux source package in Vivid:
  Fix Released

Bug description:
  SRU Justification

      Impact:
         The upstream process for stable tree updates is quite similar
         in scope to the Ubuntu SRU process, e.g., each patch has to
         demonstrably fix a bug, and each patch is vetted by upstream
         by originating either directly from a mainline/stable Linux tree or
         a minimally backported form of that patch. The v3.19.8-ckt21 upstream stable
         patch set is now available. It should be included in the Ubuntu
         kernel as well.

         git://git.launchpad.net/~canonical-kernel/linux/+git/linux-
  stable-ckt

      TEST CASE: TBD

         The following patches from the v3.19.8-ckt21 stable release
  shall be applied:

  Linux 3.19.8-ckt21
  net/mlx4_en: fix spurious timestamping callbacks
  cxgbi: fix uninitialized flowi6
  batman-adv: Fix broadcast/ogm queue limit on a removed interface
  batman-adv: Reduce refcnt of removed router when updating route
  batman-adv: Check skb size before using encapsulated ETH+VLAN header
  jme: Fix device PM wakeup API usage
  jme: Do not enable NIC WoL functions on S0
  parisc: fix a bug when syscall number of tracee is __NR_Linux_syscalls
  x86/tsc: Read all ratio bits from MSR_PLATFORM_INFO
  mm, cma: prevent nr_isolated_* counters from going negative
  x86/sysfb_efi: Fix valid BAR address range check
  MAINTAINERS: Remove asterisk from EFI directory names
  drm/radeon: make sure vertical front porch is at least 1
  tracing: Don't display trigger file for events that can't be enabled
  Minimal fix-up of bad hashing behavior of hash_64()
  powerpc: Fix bad inline asm constraint in create_zero_mask()
  EDAC: i7core, sb_edac: Don't return NOTIFY_BAD from mce_decoder callback
  mm: vmscan: reclaim highmem zone if buffer_heads is over limit
  mm/huge_memory: replace VM_NO_THP VM_BUG_ON with actual VMA check
  IB/security: Restrict use of the write() interface
  ARM: SoCFPGA: Fix secondary CPU startup in thumb2 kernel
  drm/i915/ddi: Fix eDP VDD handling during booting and suspend/resume
  drm/i915: Fix system resume if PCI device remained enabled
  cxl: Keep IRQ mappings on context teardown
  drm/dp/mst: Get validated port ref in drm_dp_update_payload_part1()
  workqueue: fix ghost PENDING flag while doing MQ IO
  ALSA: hda - Add dock support for ThinkPad X260
  USB: serial: cp210x: add Straizona Focusers device ids
  USB: serial: cp210x: add ID for Link ECU
  efi: Fix out-of-bounds read in variable_matches()
  i2c: exynos5: Fix possible ABBA deadlock by keeping I2C clock prepared
  i2c: cpm: Fix build break due to incompatible pointer types
  iio: ak8975: Fix NULL pointer exception on early interrupt
  ASoC: dapm: Make sure we have a card when displaying component widgets
  ASoC: rt5640: Correct the digital interface data select
  [3.19-stable-only] fix backport "KVM: s390: avoid memory overwrites on emergency signal injection"

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