Xenial update: 4.4.184 upstream stable release

Applied patches:

* Linux 4.4.184

All patches from this updated were already applied.

This bug was fixed in the package linux - 4.4.0-159.187

---------------
linux (4.4.0-159.187) xenial; urgency=medium

  * CVE-2019-1125
    - x86/cpufeatures: Carve out CQM features retrieval
    - x86/cpufeatures: Combine word 11 and 12 into a new scattered features word
    - x86/speculation: Prepare entry code for Spectre v1 swapgs mitigations
    - x86/speculation: Enable Spectre v1 swapgs mitigations
    - x86/entry/64: Use JMP instead of JMPQ
    - x86/speculation/swapgs: Exclude ATOMs from speculation through SWAPGS

linux (4.4.0-158.186) xenial; urgency=medium

  * xenial/linux: 4.4.0-158.186 -proposed tracker (LP: #1837609)

  * Packaging resync (LP: #1786013)
    - [Packaging] resync git-ubuntu-log
    - [Packaging] update helper scripts

  * ixgbe{vf} - Physical Function gets IRQ when VF checks link state
    (LP: #1836760)
    - ixgbevf: Use cached link state instead of re-reading the value for ethtool

  * CVE-2018-5383
    - crypto: kpp - Key-agreement Protocol Primitives API (KPP)
    - crypto: dh - Add DH software implementation
    - crypto: ecdh - Add ECDH software support
    - crypto: ecdh - make ecdh_shared_secret unique
    - crypto: doc - add KPP documentation
    - crypto: kpp, (ec)dh - fix typos
    - crypto: ecc - remove unused function arguments
    - crypto: ecc - remove unnecessary casts
    - crypto: ecc - rename ecdh_make_pub_key()
    - crypto: ecdh - add privkey generation support
    - crypto: ecc - Fix NULL pointer deref. on no default_rng
    - [Config] CRYPTO_ECDH=m
    - Bluetooth: convert smp and selftest to crypto kpp API
    - crypto: ecdh - add public key verification test

  * Xenial update: 4.4.185 upstream stable release (LP: #1836668)
    - fs/binfmt_flat.c: make load_flat_shared_library() work
    - scsi: vmw_pscsi: Fix use-after-free in pvscsi_queue_lck()
    - tracing: Silence GCC 9 array bounds warning
    - gcc-9: silence 'address-of-packed-member' warning
    - usb: chipidea: udc: workaround for endpoint conflict issue
    - Input: uinput - add compat ioctl number translation for UI_*_FF_UPLOAD
    - apparmor: enforce nullbyte at end of tag string
    - parport: Fix mem leak in parport_register_dev_model
    - parisc: Fix compiler warnings in float emulation code
    - IB/hfi1: Insure freeze_work work_struct is canceled on shutdown
    - MIPS: uprobes: remove set but not used variable 'epc'
    - net: hns: Fix loopback test failed at copper ports
    - sparc: perf: fix updated event period in response to PERF_EVENT_IOC_PERIOD
    - scripts/checkstack.pl: Fix arm64 wrong or unknown architecture
    - scsi: ufs: Check that space was properly alloced in copy_query_response
    - s390/qeth: fix VLAN attribute in bridge_hostnotify udev event
    - hwmon: (pmbus/core) Treat parameters as paged if on multiple pages
    - Btrfs: fix race between readahead and device replace/removal
    - btrfs: start readahead also in seed devices
    - can: flexcan: fix timeout when set small bitrate
    - can: purge socket error queue on sock destruct
    - ARM: imx: cpuidle-imx6sx: Restrict the SW2ISO increase to i.MX6SX
    - Bluetooth: Align minimum encryption key size for LE and BR/EDR connections
    - Bluet...