This bug was fixed in the package linux-aws - 4.15.0-1027.27 --------------- linux-aws (4.15.0-1027.27) bionic; urgency=medium * linux-aws: 4.15.0-1027.27 -proposed tracker (LP: #1801116) * Update ENA driver to version 2.0.1K (LP: #1798182) - net: ena: remove ndo_poll_controller - net: ena: fix warning in rmmod caused by double iounmap - net: ena: fix rare bug when failed restart/resume is followed by driver removal - net: ena: fix NULL dereference due to untimely napi initialization - net: ena: fix auto casting to boolean - net: ena: minor performance improvement - net: ena: complete host info to match latest ENA spec - net: ena: introduce Low Latency Queues data structures according to ENA spec - net: ena: add functions for handling Low Latency Queues in ena_com - net: ena: add functions for handling Low Latency Queues in ena_netdev - net: ena: use CSUM_CHECKED device indication to report skb's checksum status - net: ena: explicit casting and initialization, and clearer error handling - net: ena: limit refill Rx threshold to 256 to avoid latency issues - net: ena: change rx copybreak default to reduce kernel memory pressure - net: ena: remove redundant parameter in ena_com_admin_init() - net: ena: update driver version to 2.0.1 - net: ena: fix indentations in ena_defs for better readability - net: ena: Fix Kconfig dependency on X86 - net: ena: enable Low Latency Queues - net: ena: fix compilation error in xtensa architecture linux-aws (4.15.0-1026.26) bionic; urgency=medium * linux-aws: 4.15.0-1026.26 -proposed tracker (LP: #1799414) * Linux: insufficient shootdown for paging-structure caches (LP: #1798897) - [Config] CONFIG_HAVE_RCU_TABLE_INVALIDATE=y [ Ubuntu: 4.15.0-39.42 ] * linux: 4.15.0-39.42 -proposed tracker (LP: #1799411) * Linux: insufficient shootdown for paging-structure caches (LP: #1798897) - mm: move tlb_table_flush to tlb_flush_mmu_free - mm/tlb: Remove tlb_remove_table() non-concurrent condition - mm/tlb, x86/mm: Support invalidating TLB caches for RCU_TABLE_FREE - [Config] CONFIG_HAVE_RCU_TABLE_INVALIDATE=y * Ubuntu18.04: GPU total memory is reduced (LP: #1792102) - Revert "powerpc/powernv: Increase memory block size to 1GB on radix" * arm64: snapdragon: reduce boot noise (LP: #1797154) - [Config] arm64: snapdragon: DRM_MSM=m - [Config] arm64: snapdragon: SND*=m - [Config] arm64: snapdragon: disable ARM_SDE_INTERFACE - [Config] arm64: snapdragon: disable DRM_I2C_ADV7511_CEC - [Config] arm64: snapdragon: disable VIDEO_ADV7511, VIDEO_COBALT * [Bionic] CPPC bug fixes (LP: #1796949) - ACPI / CPPC: Update all pr_(debug/err) messages to log the susbspace id - cpufreq: CPPC: Don't set transition_latency - ACPI / CPPC: Fix invalid PCC channel status errors * regression in 'ip --family bridge neigh' since linux v4.12 (LP: #1796748) - rtnetlink: fix rtnl_fdb_dump() for ndmsg header * screen displays abnormally on the lenovo M715 with the AMD GPU (Radeon Vega 8 Mobile, rev ca, 1002:15dd) (LP: #1796786) - drm/amd/display: Fix takover from VGA mode - drm/amd/display: early return if not in vga mode in disable_vga - drm/amd/display: Refine disable VGA * arm64: snapdragon: WARNING: CPU: 0 PID: 1 arch/arm64/kernel/setup.c:271 reserve_memblock_reserved_regions (LP: #1797139) - SAUCE: arm64: Fix /proc/iomem for reserved but not memory regions * The front MIC can't work on the Lenovo M715 (LP: #1797292) - ALSA: hda/realtek - Fix the problem of the front MIC on the Lenovo M715 * Keyboard backlight sysfs sometimes is missing on Dell laptops (LP: #1797304) - platform/x86: dell-smbios: Correct some style warnings - platform/x86: dell-smbios: Rename dell-smbios source to dell-smbios-base - platform/x86: dell-smbios: Link all dell-smbios-* modules together - [Config] CONFIG_DELL_SMBIOS_SMM=y, CONFIG_DELL_SMBIOS_WMI=y * rpi3b+: ethernet not working (LP: #1797406) - lan78xx: Don't reset the interface on open * 87cdf3148b11 was never backported to 4.15 (LP: #1795653) - xfrm: Verify MAC header exists before overwriting eth_hdr(skb)->h_proto * [Ubuntu18.04][Power9][DD2.2]package installation segfaults inside debian chroot env in P9 KVM guest with HTM enabled (kvm) (LP: #1792501) - KVM: PPC: Book3S HV: Fix guest r11 corruption with POWER9 TM workarounds * Provide mode where all vCPUs on a core must be the same VM (LP: #1792957) - KVM: PPC: Book3S HV: Provide mode where all vCPUs on a core must be the same VM * fscache: bad refcounting in fscache_op_complete leads to OOPS (LP: #1797314) - SAUCE: fscache: Fix race in decrementing refcount of op->npages * CVE-2018-9363 - Bluetooth: hidp: buffer overflow in hidp_process_report * CVE-2017-13168 - scsi: sg: mitigate read/write abuse * [Bionic] ACPI / PPTT: use ACPI ID whenever ACPI_PPTT_ACPI_PROCESSOR_ID_VALID is set (LP: #1797200) - ACPI / PPTT: use ACPI ID whenever ACPI_PPTT_ACPI_PROCESSOR_ID_VALID is set * [Bionic] arm64: topology: Avoid checking numa mask for scheduler MC selection (LP: #1797202) - arm64: topology: Avoid checking numa mask for scheduler MC selection * crypto/vmx - Backport of Fix sleep-in-atomic bugs patch for 18.04 (LP: #1790832) - crypto: vmx - Fix sleep-in-atomic bugs * hns3: autoneg settings get lost on down/up (LP: #1797654) - net: hns3: Fix for information of phydev lost problem when down/up * not able to unwind the stack from within __kernel_clock_gettime in the Linux vDSO (LP: #1797963) - powerpc/vdso: Correct call frame information * Signal 7 error when running GPFS tracing in cluster (LP: #1792195) - powerpc/mm/books3s: Add new pte bit to mark pte temporarily invalid. - powerpc/mm/radix: Only need the Nest MMU workaround for R -> RW transition * Support Edge Gateway's WIFI LED (LP: #1798330) - SAUCE: mwifiex: Switch WiFi LED state according to the device status * Support Edge Gateway's Bluetooth LED (LP: #1798332) - SAUCE: Bluetooth: Support for LED on Edge Gateways * USB cardreader (0bda:0328) make the system can't enter s3 or hang (LP: #1798328) - usb: Don't disable Latency tolerance Messaging (LTM) before port reset * CVE-2018-15471 - xen-netback: fix input validation in xenvif_set_hash_mapping() * CVE-2018-16658 - cdrom: Fix info leak/OOB read in cdrom_ioctl_drive_status * [Bionic] Update ThunderX2 implementation defined pmu core events (LP: #1796904) - perf vendor events arm64: Update ThunderX2 implementation defined pmu core events * the machine of lenovo M715 with the AMD GPU (Radeon Vega 8 Mobile, rev ca, 1002:15dd) often hangs randomly (LP: #1796789) - drm/amd: Add missing fields in atom_integrated_system_info_v1_11 * [18.04] GLK hang after a while (LP: #1760545) - drm/i915/glk: Add MODULE_FIRMWARE for Geminilake * Fix usbcore.quirks when used at boot (LP: #1795784) - usb: core: safely deal with the dynamic quirk lists -- Khalid Elmously