This bug was fixed in the package linux - 4.18.0-20.21

---------------
linux (4.18.0-20.21) cosmic; urgency=medium

  * CVE-2018-12126 // CVE-2018-12127 // CVE-2018-12130
    - Documentation/l1tf: Fix small spelling typo
    - x86/cpu: Sanitize FAM6_ATOM naming
    - kvm: x86: Report STIBP on GET_SUPPORTED_CPUID
    - locking/atomics, asm-generic: Move some macros from <linux/bitops.h> to a
      new <linux/bits.h> file
    - tools include: Adopt linux/bits.h
    - x86/msr-index: Cleanup bit defines
    - x86/speculation: Consolidate CPU whitelists
    - x86/speculation/mds: Add basic bug infrastructure for MDS
    - x86/speculation/mds: Add BUG_MSBDS_ONLY
    - x86/kvm: Expose X86_FEATURE_MD_CLEAR to guests
    - x86/speculation/mds: Add mds_clear_cpu_buffers()
    - x86/speculation/mds: Clear CPU buffers on exit to user
    - x86/kvm/vmx: Add MDS protection when L1D Flush is not active
    - x86/speculation/mds: Conditionally clear CPU buffers on idle entry
    - x86/speculation/mds: Add mitigation control for MDS
    - x86/speculation/mds: Add sysfs reporting for MDS
    - x86/speculation/mds: Add mitigation mode VMWERV
    - Documentation: Move L1TF to separate directory
    - Documentation: Add MDS vulnerability documentation
    - x86/speculation/mds: Add mds=full,nosmt cmdline option
    - x86/speculation: Move arch_smt_update() call to after mitigation decisions
    - x86/speculation/mds: Add SMT warning message
    - x86/speculation/mds: Fix comment
    - x86/speculation/mds: Print SMT vulnerable on MSBDS with mitigations off
    - x86/speculation/mds: Add 'mitigations=' support for MDS

  * CVE-2017-5715 // CVE-2017-5753
    - s390/speculation: Support 'mitigations=' cmdline option

  * CVE-2017-5715 // CVE-2017-5753 // CVE-2017-5754 // CVE-2018-3639
    - powerpc/speculation: Support 'mitigations=' cmdline option

  * CVE-2017-5715 // CVE-2017-5754 // CVE-2018-3620 // CVE-2018-3639 //
    CVE-2018-3646
    - cpu/speculation: Add 'mitigations=' cmdline option
    - x86/speculation: Support 'mitigations=' cmdline option

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

linux (4.18.0-19.20) cosmic; urgency=medium

  * linux: 4.18.0-19.20 -proposed tracker (LP: #1826171)

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

  * autopkgtests run too often, too much and don't skip enough (LP: #1823056)
    - [Debian] Set +x on rebuild testcase.
    - [Debian] Skip rebuild test, for regression-suite deps.
    - [Debian] Make ubuntu-regression-suite skippable on unbootable kernels.
    - [Debian] make rebuild use skippable error codes when skipping.
    - [Debian] Only run regression-suite, if requested to.

  * CVE-2017-5753
    - s390/keyboard: sanitize array index in do_kdsk_ioctl
    - drm/bufs: Fix Spectre v1 vulnerability
    - drivers/misc/sgi-gru: fix Spectre v1 vulnerability
    - ipv4: Fix potential Spectre v1 vulnerability
    - aio: fix spectre gadget in lookup_ioctx
    - ALSA: emux: Fix potential Spectre v1 vulnerabilities
    - ALSA: pcm: Fix potential Spectre v1 vulnerability
    - ip6mr: Fix potential Spectre v1 vulnerability
    - ALSA: rme9652: Fix potential Spectre v1 vulnerability
    - ALSA: emu10k1: Fix potential Spectre v1 vulnerabilities
    - KVM: arm/arm64: vgic: Fix off-by-one bug in vgic_get_irq()
    - drm/ioctl: Fix Spectre v1 vulnerabilities
    - net: core: Fix Spectre v1 vulnerability
    - phonet: af_phonet: Fix Spectre v1 vulnerability
    - nfc: af_nfc: Fix Spectre v1 vulnerability
    - can: af_can: Fix Spectre v1 vulnerability
    - net: Revert recent Spectre-v1 patches.
    - char/mwave: fix potential Spectre v1 vulnerability
    - applicom: Fix potential Spectre v1 vulnerabilities
    - ipmi: msghandler: Fix potential Spectre v1 vulnerabilities
    - powerpc/ptrace: Mitigate potential Spectre v1
    - cfg80211: prevent speculation on cfg80211_classify8021d() return
    - ALSA: rawmidi: Fix potential Spectre v1 vulnerability
    - ALSA: seq: oss: Fix Spectre v1 vulnerability

  * NULL pointer dereference when using z3fold and zswap (LP: #1814874)
    - z3fold: fix possible reclaim races

  * The Realtek card reader does not enter PCIe 1.1/1.2 (LP: #1825487)
    - misc: rtsx: Enable OCP for rts522a rts524a rts525a rts5260
    - SAUCE: misc: rtsx: Fixed rts5260 power saving parameter and sd glitch

  * headset-mic doesn't work on two Dell laptops. (LP: #1825272)
    - ALSA: hda/realtek - add two more pin configuration sets to quirk table

  * CVE-2018-16884
    - sunrpc: use SVC_NET() in svcauth_gss_* functions
    - sunrpc: use-after-free in svc_process_common()

  * AMD Rome :  Minimal support patches (LP: #1816669)
    - x86: irq_remapping: Move irq remapping mode enum
    - iommu/amd: Add support for higher 64-bit IOMMU Control Register
    - iommu/amd: Add support for IOMMU XT mode

  * sky2 ethernet card don't work after returning from suspension (LP: #1798921)
    - sky2: Increase D3 delay again

  * CVE-2019-9500
    - brcmfmac: assure SSID length from firmware is limited

  * CVE-2019-9503
    - brcmfmac: add subtype check for event handling in data path

  * CVE-2019-3882
    - vfio/type1: Limit DMA mappings per container

  * CVE-2019-3887
    - KVM: x86: nVMX: close leak of L0's x2APIC MSRs (CVE-2019-3887)
    - KVM: x86: nVMX: fix x2APIC VTPR read intercept

  * CVE-2019-3874
    - sctp: use sk_wmem_queued to check for writable space
    - sctp: implement memory accounting on tx path
    - sctp: implement memory accounting on rx path

  * Intel I210 Ethernet card not working after hotplug [8086:1533]
    (LP: #1818490)
    - igb: Fix WARN_ONCE on runtime suspend

  * autofs kernel module missing (LP: #1824333)
    - [Config] Update autofs4 path in inclusion list

  * tasks doing write()/fsync() hit deadlock in write_cache_pages()
    (LP: #1824827)
    - mm/page-writeback.c: fix range_cyclic writeback vs writepages deadlock

  * Pop noise when headset is plugged in or removed from GHS/Line-out jack
    (LP: #1821290)
    - ALSA: hda/realtek - Add unplug function into unplug state of Headset Mode
      for ALC225
    - ALSA: hda/realtek - Disable headset Mic VREF for headset mode of ALC225
    - ALSA: hda/realtek - Add support headset mode for DELL WYSE AIO
    - ALSA: hda/realtek - Add support headset mode for New DELL WYSE NB

  * mac80211_hwsim unable to handle kernel NULL pointer dereference
    at0000000000000000  (LP: #1825058)
    - mac80211_hwsim: Timer should be initialized before device registered

  * [regression][snd_hda_codec_realtek] repeating crackling noise after 19.04
    upgrade (LP: #1821663)
    - ALSA: hda - add Lenovo IdeaCentre B550 to the power_save_blacklist
    - ALSA: hda - Add two more machines to the power_save_blacklist

  * systemd cause kernel trace "BUG: unable to handle kernel paging request at
    6db23a14" on Cosmic i386 (LP: #1813244) // systemd cause kernel trace "BUG:
    unable to handle kernel paging request at 6db23a14" on Cosmic i386
    (LP: #1813244)
    - openvswitch: fix flow actions reallocation

 -- Stefan Bader <stefan.ba...@canonical.com>  Mon, 06 May 2019 18:19:46
+0200

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

** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2019-11683

** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2019-1999

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https://bugs.launchpad.net/bugs/1818490

Title:
  Intel I210 Ethernet card not working after hotplug [8086:1533]

Status in HWE Next:
  Confirmed
Status in OEM Priority Project:
  Triaged
Status in linux package in Ubuntu:
  In Progress
Status in linux source package in Trusty:
  Fix Committed
Status in linux source package in Xenial:
  Fix Released
Status in linux source package in Bionic:
  Fix Released
Status in linux source package in Cosmic:
  Fix Released
Status in linux source package in Disco:
  Fix Released

Bug description:
  Summary:
  Intel I210 Ethernet card not working after hotplug

  Steps to reproduce:
  1. Power on system with ethernet cable on Intel I210
  2. Check ethernet is workable
  3. Unplug then plug the ethernet cable

  Expected result:
  Intel I210 Ethernet card is working, e.g. IP address acquired automatically 
if configured as DHCP.

  Actual result:
  Intel I210 Ethernet card not working after hotplug. dmesg has following error 
messages instead:
  [ 16.464321] ------------[ cut here ]------------
  [ 16.464326] PCI PM: State of device not saved by 
igb_runtime_suspend+0x0/0x90 [igb]
  [ 16.464334] WARNING: CPU: 2 PID: 49 at 
/build/linux-oem-ta19Pv/linux-oem-4.15.0/drivers/pci/pci-driver.c:1282 
pci_pm_runtime_suspend+0x175/0x180
  [ 16.464334] Modules linked in: joydev input_leds nls_iso8859_1 
snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic intel_rapl 
x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm snd_hda_intel 
irqbypass snd_hda_codec crct10dif_pclmul snd_hda_core crc32_pclmul snd_hwdep 
ghash_clmulni_intel pcbc snd_pcm dell_smm_hwmon aesni_intel aes_x86_64 
snd_seq_midi crypto_simd snd_seq_midi_event glue_helper cryptd snd_rawmidi 
intel_cstate snd_seq intel_rapl_perf dell_wmi snd_seq_device dell_smbios dcdbas 
snd_timer dell_wmi_aio dell_wmi_descriptor intel_wmi_thunderbolt snd 
sparse_keymap wmi_bmof soundcore idma64 virt_dma mei_me intel_lpss_pci 
intel_pch_thermal mei intel_lpss mac_hid acpi_pad sch_fq_codel parport_pc ppdev 
lp parport ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456
  [ 16.464354] async_raid6_recov async_memcpy async_pq async_xor async_tx xor 
raid6_pq libcrc32c raid1 raid0 multipath linear dm_mirror dm_region_hash dm_log 
hid_generic usbhid hid i915 igb drm_kms_helper syscopyarea dca sysfillrect 
i2c_algo_bit e1000e sysimgblt ptp fb_sys_fops pps_core ahci libahci drm wmi 
video
  [ 16.464366] CPU: 2 PID: 49 Comm: kworker/2:1 Not tainted 4.15.0-1032-oem 
#37-Ubuntu
  [ 16.464367] Hardware name: Dell Inc. Precision 3630 Tower/, BIOS 99.2.2 
01/14/2019
  [ 16.464369] Workqueue: pm pm_runtime_work
  [ 16.464370] RIP: 0010:pci_pm_runtime_suspend+0x175/0x180
  [ 16.464371] RSP: 0018:ffffa968c3363d48 EFLAGS: 00010282
  [ 16.464372] RAX: 0000000000000000 RBX: ffff8a2557aee0a0 RCX: 0000000000000006
  [ 16.464372] RDX: 0000000000000007 RSI: 0000000000000096 RDI: ffff8a257c496490
  [ 16.464373] RBP: ffffa968c3363d70 R08: 0000000000000001 R09: 0000000000000373
  [ 16.464373] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
  [ 16.464373] R13: ffffffffc0481540 R14: ffff8a2557aee000 R15: 0000000000000000
  [ 16.464374] FS: 0000000000000000(0000) GS:ffff8a257c480000(0000) 
knlGS:0000000000000000
  [ 16.464375] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
  [ 16.464375] CR2: 00007f30b3e93170 CR3: 0000000842c0a004 CR4: 00000000003606e0
  [ 16.464376] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
  [ 16.464376] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
  [ 16.464376] Call Trace:
  [ 16.464379] ? pci_pm_runtime_resume+0xb0/0xb0
  [ 16.464380] __rpm_callback+0xca/0x210
  [ 16.464381] ? __switch_to_asm+0x40/0x70
  [ 16.464382] ? __switch_to_asm+0x34/0x70
  [ 16.464382] rpm_callback+0x59/0x80
  [ 16.464383] ? pci_pm_runtime_resume+0xb0/0xb0
  [ 16.464384] rpm_suspend+0x137/0x640
  [ 16.464385] ? __switch_to_asm+0x40/0x70
  [ 16.464386] pm_runtime_work+0x81/0xa0
  [ 16.464388] process_one_work+0x1de/0x410
  [ 16.464389] worker_thread+0x32/0x410
  [ 16.464390] kthread+0x121/0x140
  [ 16.464391] ? process_one_work+0x410/0x410
  [ 16.464392] ? kthread_create_worker_on_cpu+0x70/0x70
  [ 16.464392] ret_from_fork+0x35/0x40
  [ 16.464393] Code: 2b ff ff ff 80 3d 21 c6 11 01 00 0f 85 1e ff ff ff 49 8b 
b5 a0 00 00 00 48 c7 c7 a0 56 b2 ad c6 05 06 c6 11 01 01 e8 0b 74 b9 ff <0f> 0b 
e9 fd fe ff ff 0f 1f 40 00 0f 1f 44 00 00 55 48 89 e5 53
  [ 16.464408] ---[ end trace 97e5f2cf651b62e6 ]---

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