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[Launchpad Bug Tracker <1837638@xxxxxxxxxxxxxxxxxx>]

This bug was fixed in the package linux-aws - 4.4.0-1092.103

---------------
linux-aws (4.4.0-1092.103) xenial; urgency=medium

  * xenial/linux-aws: 4.4.0-1092.103 -proposed tracker (LP: #1841533)

  [ Ubuntu: 4.4.0-161.189 ]

  * xenial/linux: 4.4.0-161.189 -proposed tracker (LP: #1841544)
  * flock not mediated by 'k' (LP: 1658219)
    - Revert "UBUNTU: SAUCE: apparmor: flock mediation is not being, enforced on
      cache check"
  * Packaging resync (LP: #1786013)
    - [Packaging] resync getabis

linux-aws (4.4.0-1091.102) xenial; urgency=medium

  * xenial/linux-aws: 4.4.0-1091.102 -proposed tracker (LP: #1840010)

  * CVE-2019-10638
    - [Config] aws: CONFIG_TEST_HASH=n

  * Add the EFA driver into linux-aws (LP: #1837638)
    - RDMA/efa: Add EFA device definitions
    - RDMA/efa: Add the ABI definitions
    - RDMA/efa: Add the efa.h header file
    - RDMA/efa: Add the efa_com.h file
    - RDMA/efa: Add the com service API definitions
    - RDMA/efa: Implement functions that submit and complete admin commands
    - RDMA/efa: Add common command handlers
    - RDMA/efa: Add EFA verbs implementation
    - RDMA/efa: Add the efa module
    - RDMA/efa: Add driver to Kconfig/Makefile
    - [Config] aws: CONFIG_INFINIBAND_EFA=m
    - RDMA/efa: Remove MAYEXEC flag check from mmap flow
    - RDMA/efa: Fix success return value in case of error
    - RDMA/efa: Handle mmap insertions overflow
    - SAUCE: Add kernel compatibility fixups
    - SAUCE: linux/efa: Be consistent with success flow return value
    - SAUCE: linux/efa: Entropy in admin commands id
    - SAUCE: linux/efa: Fix modify QP udata check backport

  [ Ubuntu: 4.4.0-160.188 ]

  * xenial/linux: 4.4.0-160.188 -proposed tracker (LP: #1840021)
  * Packaging resync (LP: #1786013)
    - [Packaging] update helper scripts
  * EeePC 1005px laptop backlight is off after system boot up (LP: #1837117)
    - platform/x86: asus-wmi: Only Tell EC the OS will handle display hotkeys from
      asus_nb_wmi
  * CVE-2019-10638
    - [Config] CONFIG_TEST_HASH=n
    - siphash: add cryptographically secure PRF
    - inet: switch IP ID generator to siphash
  * Stacked onexec transitions fail when under NO NEW PRIVS restrictions
    (LP: #1839037)
    - SAUCE: apparmor: fix nnp subset check failure, when stacking
  * AppArmor onexec transition causes WARN kernel stack trace (LP: #1838627)
    - SAUCE: apparmor: fix audit failures when performing profile transitions
  * flock not mediated by 'k' (LP: 1658219) // Ubuntu 16.04: read access
    incorrectly implies 'm' rule (LP: 1838090)
    - SAUCE: apparmor: flock mediation is not being, enforced on cache check
  * bcache: bch_allocator_thread(): hung task timeout (LP: #1784665) // Tight
    timeout for bcache removal causes spurious failures (LP: #1796292)
    - SAUCE: bcache: fix deadlock in bcache_allocator
  * bcache: bch_allocator_thread(): hung task timeout (LP: #1784665)
    - bcache: improve bcache_reboot()
    - bcache: add journal statistic
    - bcache: fix high CPU occupancy during journal
    - bcache: fix incorrect sysfs output value of strip size
    - bcache: fix error return value in memory shrink
    - bcache: fix using of loop variable in memory shrink
    - bcache: Fix indentation
    - bcache: Add __printf annotation to __bch_check_keys()
    - bcache: Annotate switch fall-through
    - bcache: Fix kernel-doc warnings
    - bcache: Remove an unused variable
    - bcache: Suppress more warnings about set-but-not-used variables
    - bcache: Reduce the number of sparse complaints about lock imbalances
    - bcache: Move couple of functions to sysfs.c
  * CVE-2019-3900
    - vhost: introduce vhost_vq_avail_empty()
    - vhost_net: tx batching
    - vhost_net: do not stall on zerocopy depletion
    - vhost-net: set packet weight of tx polling to 2 * vq size
    - vhost_net: use packet weight for rx handler, too
    - vhost_net: introduce vhost_exceeds_weight()
    - vhost: introduce vhost_exceeds_weight()
    - vhost_net: fix possible infinite loop
    - vhost: scsi: add weight support
  * Xenial: ZFS deadlock in shrinker path with xattrs (LP: #1839521)
    - SAUCE: (noup) Update zfs to 0.6.5.6-0ubuntu28
  * CVE-2019-13648
    - powerpc/tm: Fix oops on sigreturn on systems without TM
  * CVE-2018-20856
    - block: blk_init_allocated_queue() set q->fq as NULL in the fail case
  * CVE-2019-14283
    - floppy: fix out-of-bounds read in copy_buffer
  * CVE-2019-14284
    - floppy: fix div-by-zero in setup_format_params
  * Xenial update: 4.4.186 upstream stable release (LP: #1838467)
    - Input: elantech - enable middle button support on 2 ThinkPads
    - samples, bpf: fix to change the buffer size for read()
    - mac80211: mesh: fix RCU warning
    - dt-bindings: can: mcp251x: add mcp25625 support
    - can: mcp251x: add support for mcp25625
    - Input: imx_keypad - make sure keyboard can always wake up system
    - ARM: davinci: da850-evm: call regulator_has_full_constraints()
    - ARM: davinci: da8xx: specify dma_coherent_mask for lcdc
    - md: fix for divide error in status_resync
    - bnx2x: Check if transceiver implements DDM before access
    - udf: Fix incorrect final NOT_ALLOCATED (hole) extent length
    - x86/ptrace: Fix possible spectre-v1 in ptrace_get_debugreg()
    - x86/tls: Fix possible spectre-v1 in do_get_thread_area()
    - mwifiex: Abort at too short BSS descriptor element
    - fscrypt: don't set policy for a dead directory
    - mwifiex: Don't abort on small, spec-compliant vendor IEs
    - USB: serial: ftdi_sio: add ID for isodebug v1
    - USB: serial: option: add support for GosunCn ME3630 RNDIS mode
    - usb: gadget: ether: Fix race between gether_disconnect and rx_submit
    - usb: renesas_usbhs: add a workaround for a race condition of workqueue
    - staging: comedi: dt282x: fix a null pointer deref on interrupt
    - staging: comedi: amplc_pci230: fix null pointer deref on interrupt
    - carl9170: fix misuse of device driver API
    - VMCI: Fix integer overflow in VMCI handle arrays
    - MIPS: Remove superfluous check for __linux__
    - e1000e: start network tx queue only when link is up
    - perf/core: Fix perf_sample_regs_user() mm check
    - ARM: omap2: remove incorrect __init annotation
    - be2net: fix link failure after ethtool offline test
    - ppp: mppe: Add softdep to arc4
    - sis900: fix TX completion
    - dm verity: use message limit for data block corruption message
    - kvm: x86: avoid warning on repeated KVM_SET_TSS_ADDR
    - ARC: hide unused function unw_hdr_alloc
    - s390: fix stfle zero padding
    - s390/qdio: (re-)initialize tiqdio list entries
    - s390/qdio: don't touch the dsci in tiqdio_add_input_queues()
    - KVM: x86: protect KVM_CREATE_PIT/KVM_CREATE_PIT2 with kvm->lock
    - Linux 4.4.186

 -- Stefan Bader <stefan.bader@xxxxxxxxxxxxx>  Tue, 27 Aug 2019 12:01:45
+0200

** Changed in: linux-aws (Ubuntu Xenial)
       Status: Fix Committed => Fix Released

** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2018-20856

** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2019-10638

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https://bugs.launchpad.net/bugs/1837638

Title:
  Add the EFA driver into linux-aws

Status in linux package in Ubuntu:
  Invalid
Status in linux-aws package in Ubuntu:
  Invalid
Status in linux source package in Xenial:
  Invalid
Status in linux-aws source package in Xenial:
  Fix Released
Status in linux source package in Bionic:
  Invalid
Status in linux-aws source package in Bionic:
  Fix Released
Status in linux source package in Disco:
  Invalid
Status in linux-aws source package in Disco:
  Fix Released

Bug description:
  [Impact]

  * The open source EFA driver belongs in the AWS kernels
  (https://github.com/amzn/amzn-drivers/tree/master/kernel/linux/efa)

  [Test Case]

   * Boot tested into each kernel. Loaded and unloaded the module.

  [Regression Potential]

  This is a new feature constrained to a custom kernel. Most of the
  patches have been reviewed and applied to mainline. The compatibility
  fixup sauce patch is big, but is all preprocessor directives for
  conditional compilation and these have been maintained in the Github
  repo during the driver's development. Basically, the blast radius of
  this pull request should be confined only to this new module and
  should not impact any other area of the kernel.

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