This bug was fixed in the package linux-oem - 4.15.0-1036.41 --------------- linux-oem (4.15.0-1036.41) bionic; urgency=medium * linux-oem: 4.15.0-1036.41 -proposed tracker (LP: #1822803) * Need to add Intel CML related pci-id's (LP: #1821863) - drm/i915/cml: Introduce Comet Lake PCH - drm/i915/cml: Add CML PCI IDS * [SRU] [B/OEM] Fix ACPI bug that causes boot failure (LP: #1819921) - SAUCE: ACPI / bus: Add some Lenovo laptops in list of acpi table term list * Miscellaneous Ubuntu changes - [Config] update configs following rebase to 4.15.0-48.51 [ Ubuntu: 4.15.0-48.51 ] * linux: 4.15.0-48.51 -proposed tracker (LP: #1822820) * Packaging resync (LP: #1786013) - [Packaging] update helper scripts - [Packaging] resync retpoline extraction * 3b080b2564287be91605bfd1d5ee985696e61d3c in ubuntu_btrfs_kernel_fixes triggers system hang on i386 (LP: #1812845) - btrfs: raid56: properly unmap parity page in finish_parity_scrub() * [P9][LTCTest][Opal][FW910] cpupower monitor shows multiple stop Idle_Stats (LP: #1719545) - cpupower : Fix header name to read idle state name * [amdgpu] screen corruption when using touchpad (LP: #1818617) - drm/amdgpu/gmc: steal the appropriate amount of vram for fw hand-over (v3) - drm/amdgpu: Free VGA stolen memory as soon as possible. * [SRU][B/C/OEM]IOMMU: add kernel dma protection (LP: #1820153) - ACPICA: AML parser: attempt to continue loading table after error - ACPI / property: Allow multiple property compatible _DSD entries - PCI / ACPI: Identify untrusted PCI devices - iommu/vt-d: Force IOMMU on for platform opt in hint - iommu/vt-d: Do not enable ATS for untrusted devices - thunderbolt: Export IOMMU based DMA protection support to userspace - iommu/vt-d: Disable ATS support on untrusted devices * Add basic support to NVLink2 passthrough (LP: #1819989) - powerpc/powernv/npu: Do not try invalidating 32bit table when 64bit table is enabled - powerpc/powernv: call OPAL_QUIESCE before OPAL_SIGNAL_SYSTEM_RESET - powerpc/powernv: Export opal_check_token symbol - powerpc/powernv: Make possible for user to force a full ipl cec reboot - powerpc/powernv/idoa: Remove unnecessary pcidev from pci_dn - powerpc/powernv: Move npu struct from pnv_phb to pci_controller - powerpc/powernv/npu: Move OPAL calls away from context manipulation - powerpc/pseries/iommu: Use memory@ nodes in max RAM address calculation - powerpc/pseries/npu: Enable platform support - powerpc/pseries: Remove IOMMU API support for non-LPAR systems - powerpc/powernv/npu: Check mmio_atsd array bounds when populating - powerpc/powernv/npu: Fault user page into the hypervisor's pagetable * Huawei Hi1822 NIC has poor performance (LP: #1820187) - net-next: hinic: fix a problem in free_tx_poll() - hinic: remove ndo_poll_controller - net-next/hinic: add checksum offload and TSO support - hinic: Fix l4_type parameter in hinic_task_set_tunnel_l4 - net-next/hinic:replace multiply and division operators - net-next/hinic:add rx checksum offload for HiNIC - net-next/hinic:fix a bug in set mac address - net-next/hinic: fix a bug in rx data flow - net: hinic: fix null pointer dereference on pointer hwdev - hinic: optmize rx refill buffer mechanism - net-next/hinic:add shutdown callback - net-next/hinic: replace disable_irq_nosync/enable_irq * [CONFIG] please enable highdpi font FONT_TER16x32 (LP: #1819881) - Fonts: New Terminus large console font - [Config]: enable highdpi Terminus 16x32 font support * [19.04 FEAT] qeth: Enhanced link speed - kernel part (LP: #1814892) - s390/qeth: report 25Gbit link speed * CVE-2017-5754 - x86/nmi: Fix NMI uaccess race against CR3 switching - x86/mm: Fix documentation of module mapping range with 4-level paging - x86/pti: Enable global pages for shared areas - x86/pti: Never implicitly clear _PAGE_GLOBAL for kernel image - x86/pti: Leave kernel text global for !PCID - x86/pti: Fix boot problems from Global-bit setting - x86/pti: Fix boot warning from Global-bit setting - x86/pti: Reduce amount of kernel text allowed to be Global - x86/pti: Disallow global kernel text with RANDSTRUCT - x86/entry/32: Add explicit 'l' instruction suffix - x86/asm-offsets: Move TSS_sp0 and TSS_sp1 to asm-offsets.c - x86/entry/32: Rename TSS_sysenter_sp0 to TSS_entry2task_stack - x86/entry/32: Load task stack from x86_tss.sp1 in SYSENTER handler - x86/entry/32: Put ESPFIX code into a macro - x86/entry/32: Unshare NMI return path - x86/entry/32: Split off return-to-kernel path - x86/entry/32: Enter the kernel via trampoline stack - x86/entry/32: Leave the kernel via trampoline stack - x86/entry/32: Introduce SAVE_ALL_NMI and RESTORE_ALL_NMI - x86/entry/32: Handle Entry from Kernel-Mode on Entry-Stack - x86/entry/32: Simplify debug entry point - x86/entry/32: Add PTI cr3 switch to non-NMI entry/exit points - x86/entry/32: Add PTI CR3 switches to NMI handler code - x86/entry: Rename update_sp0 to update_task_stack - x86/pgtable: Rename pti_set_user_pgd() to pti_set_user_pgtbl() - x86/pgtable/pae: Unshare kernel PMDs when PTI is enabled - x86/pgtable/32: Allocate 8k page-tables when PTI is enabled - x86/pgtable: Move pgdp kernel/user conversion functions to pgtable.h - x86/pgtable: Move pti_set_user_pgtbl() to pgtable.h - x86/pgtable: Move two more functions from pgtable_64.h to pgtable.h - x86/mm/pae: Populate valid user PGD entries - x86/mm/pae: Populate the user page-table with user pgd's - x86/mm/pti: Add an overflow check to pti_clone_pmds() - x86/mm/pti: Define X86_CR3_PTI_PCID_USER_BIT on x86_32 - x86/mm/pti: Clone CPU_ENTRY_AREA on PMD level on x86_32 - x86/mm/pti: Make pti_clone_kernel_text() compile on 32 bit - x86/mm/pti: Keep permissions when cloning kernel text in pti_clone_kernel_text() - x86/mm/pti: Introduce pti_finalize() - x86/mm/pti: Clone entry-text again in pti_finalize() - x86/mm/dump_pagetables: Define INIT_PGD - x86/pgtable/pae: Use separate kernel PMDs for user page-table - x86/ldt: Reserve address-space range on 32 bit for the LDT - x86/ldt: Define LDT_END_ADDR - x86/ldt: Split out sanity check in map_ldt_struct() - x86/ldt: Enable LDT user-mapping for PAE - x86/pti: Allow CONFIG_PAGE_TABLE_ISOLATION for x86_32 - [Config] Update PAGE_TABLE_ISOLATION annotations - x86/mm/pti: Add Warning when booting on a PCID capable CPU - x86/entry/32: Add debug code to check entry/exit CR3 - x86/pti: Check the return value of pti_user_pagetable_walk_p4d() - x86/pti: Check the return value of pti_user_pagetable_walk_pmd() - perf/core: Make sure the ring-buffer is mapped in all page-tables - x86/entry/32: Check for VM86 mode in slow-path check - x86/mm: Remove in_nmi() warning from vmalloc_fault() - x86/kexec: Allocate 8k PGDs for PTI - x86/mm/pti: Clear Global bit more aggressively - mm: Allow non-direct-map arguments to free_reserved_area() - x86/mm/init: Pass unconverted symbol addresses to free_init_pages() - x86/mm/init: Add helper for freeing kernel image pages - x86/mm/init: Remove freed kernel image areas from alias mapping - x86/mm/pti: Fix 32 bit PCID check - x86/mm/pti: Don't clear permissions in pti_clone_pmd() - x86/mm/pti: Clone kernel-image on PTE level for 32 bit - x86/relocs: Add __end_rodata_aligned to S_REL - x86/mm/pti: Move user W+X check into pti_finalize() - x86/efi: Load fixmap GDT in efi_call_phys_epilog() - x86/efi: Load fixmap GDT in efi_call_phys_epilog() before setting %cr3 - x86/mm/doc: Clean up the x86-64 virtual memory layout descriptions - x86/mm/doc: Enhance the x86-64 virtual memory layout descriptions - x86/entry/32: Clear the CS high bits - x86/mm: Move LDT remap out of KASLR region on 5-level paging - x86/ldt: Unmap PTEs for the slot before freeing LDT pages - x86/ldt: Remove unused variable in map_ldt_struct() - x86/mm: Fix guard hole handling - x86/dump_pagetables: Fix LDT remap address marker * Avoid potential memory corruption on HiSilicon SoCs (LP: #1819546) - iommu/arm-smmu-v3: Avoid memory corruption from Hisilicon MSI payloads * Ubuntu18.04.01: [Power9] power8 Compat guest(RHEL7.6) crashes during guest boot with > 256G of memory (kernel/kvm) (LP: #1818645) - ]PATCH] KVM: PPC: Book3S HV: Don't truncate HPTE index in xlate function * Fix for dual Intel NVMes (LP: #1821961) - SAUCE: nvme: Merge two quirk entries into one for Intel 760p/Pro 7600p * CVE-2017-5715 - tools headers: Synchronize prctl.h ABI header - x86/spectre: Add missing family 6 check to microcode check - x86/speculation: Enable cross-hyperthread spectre v2 STIBP mitigation - x86/speculation: Apply IBPB more strictly to avoid cross-process data leak - x86/speculation: Propagate information about RSB filling mitigation to sysfs - x86/speculation: Add RETPOLINE_AMD support to the inline asm CALL_NOSPEC variant - x86/retpoline: Make CONFIG_RETPOLINE depend on compiler support - x86/retpoline: Remove minimal retpoline support - x86/speculation: Update the TIF_SSBD comment - x86/speculation: Clean up spectre_v2_parse_cmdline() - x86/speculation: Remove unnecessary ret variable in cpu_show_common() - x86/speculation: Move STIPB/IBPB string conditionals out of cpu_show_common() - x86/speculation: Disable STIBP when enhanced IBRS is in use - x86/speculation: Rename SSBD update functions - x86/speculation: Reorganize speculation control MSRs update - sched/smt: Make sched_smt_present track topology - x86/Kconfig: Select SCHED_SMT if SMP enabled - sched/smt: Expose sched_smt_present static key - x86/speculation: Rework SMT state change - x86/l1tf: Show actual SMT state - x86/speculation: Reorder the spec_v2 code - x86/speculation: Mark string arrays const correctly - x86/speculataion: Mark command line parser data __initdata - x86/speculation: Unify conditional spectre v2 print functions - x86/speculation: Add command line control for indirect branch speculation - x86/speculation: Prepare for per task indirect branch speculation control - x86/process: Consolidate and simplify switch_to_xtra() code - x86/speculation: Avoid __switch_to_xtra() calls - x86/speculation: Prepare for conditional IBPB in switch_mm() - ptrace: Remove unused ptrace_may_access_sched() and MODE_IBRS - x86/speculation: Split out TIF update - x86/speculation: Prevent stale SPEC_CTRL msr content - x86/speculation: Prepare arch_smt_update() for PRCTL mode - x86/speculation: Add prctl() control for indirect branch speculation - x86/speculation: Enable prctl mode for spectre_v2_user - x86/speculation: Add seccomp Spectre v2 user space protection mode - x86/speculation: Provide IBPB always command line options - kvm: svm: Ensure an IBPB on all affected CPUs when freeing a vmcb - x86/speculation: Change misspelled STIPB to STIBP - x86/speculation: Add support for STIBP always-on preferred mode - x86, modpost: Replace last remnants of RETPOLINE with CONFIG_RETPOLINE - s390: remove closung punctuation from spectre messages - x86/speculation: Simplify the CPU bug detection logic * CVE-2018-3639 - x86/bugs: Add AMD's variant of SSB_NO - x86/bugs: Add AMD's SPEC_CTRL MSR usage - x86/bugs: Switch the selection of mitigation from CPU vendor to CPU features - x86/bugs: Update when to check for the LS_CFG SSBD mitigation - x86/bugs: Fix the AMD SSBD usage of the SPEC_CTRL MSR - KVM: x86: SVM: Call x86_spec_ctrl_set_guest/host() with interrupts disabled * [Ubuntu] vfio-ap: add subsystem to matrix device to avoid libudev failures (LP: #1818854) - s390: vfio_ap: link the vfio_ap devices to the vfio_ap bus subsystem * Kernel regularly logs: Bluetooth: hci0: last event is not cmd complete (0x0f) (LP: #1748565) - Bluetooth: Fix unnecessary error message for HCI request completion * HiSilicon HNS ethernet broken in 4.15.0-45 (LP: #1818294) - net: hns: Fix WARNING when hns modules installed * rtl8723be wifi does not work under linux-modules-extra-4.15.0-33-generic (LP: #1788997) - SAUCE: Revert "rtlwifi: cleanup 8723be ant_sel definition" * Crash from :i915 module with 4.15.0-46-generic using multi-display (LP: #1819486) - SAUCE: Revert "drm/i915: Fix hotplug irq ack on i965/g4x" * kernel linux-image-4.15.0-44 not booting on Hyperv Server 2008R2 (LP: #1814069) - hv/netvsc: fix handling of fallback to single queue mode - hv/netvsc: Fix NULL dereference at single queue mode fallback * Lenovo ideapad 330-15ICH Wifi rfkill hard blocked (LP: #1811815) - platform/x86: ideapad: Add ideapad 330-15ICH to no_hw_rfkill * Qualcomm Atheros QCA9377 wireless does not work (LP: #1818204) - platform/x86: ideapad-laptop: Add Ideapad 530S-14ARR to no_hw_rfkill list * fscache: jobs might hang when fscache disk is full (LP: #1821395) - fscache: fix race between enablement and dropping of object * hns3: fix oops in hns3_clean_rx_ring() (LP: #1821064) - net: hns3: add dma_rmb() for rx description * Hard lockup in 2 CPUs due to deadlock in cpu_stoppers (LP: #1821259) - stop_machine: Disable preemption after queueing stopper threads - stop_machine: Atomically queue and wake stopper threads * tcm_loop.ko: move from modules-extra into main modules package (LP: #1817786) - [Packaging] move tcm_loop.lo to main linux-modules package * tcmu user space crash results in kernel module hang. (LP: #1819504) - scsi: tcmu: delete unused __wait - scsi: tcmu: track nl commands - scsi: tcmu: simplify nl interface - scsi: tcmu: add module wide block/reset_netlink support * Intel XL710 - i40e driver does not work with kernel 4.15 (Ubuntu 18.04) (LP: #1779756) - i40e: Fix for Tx timeouts when interface is brought up if DCB is enabled - i40e: prevent overlapping tx_timeout recover * some codecs stop working after S3 (LP: #1820930) - ALSA: hda - Enforces runtime_resume after S3 and S4 for each codec * i40e xps management broken when > 64 queues/cpus (LP: #1820948) - i40e: Do not allow use more TC queue pairs than MSI-X vectors exist - i40e: Fix the number of queues available to be mapped for use * 4.15 s390x kernel BUG at /build/linux- Gycr4Z/linux-4.15.0/drivers/block/virtio_blk.c:565! (LP: #1788432) - virtio/s390: avoid race on vcdev->config - virtio/s390: fix race in ccw_io_helper() * [SRU][B/B-OEM/C/D] Fix AMD IOMMU NULL dereference (LP: #1820990) - iommu/amd: Fix NULL dereference bug in match_hid_uid * New Intel Wireless-AC 9260 [8086:2526] card not correctly probed in Ubuntu system (LP: #1821271) - iwlwifi: add new card for 9260 series * Add support for MAC address pass through on RTL8153-BD (LP: #1821276) - r8152: Add support for MAC address pass through on RTL8153-BD - r8152: Fix an error on RTL8153-BD MAC Address Passthrough support -- Chia-Lin Kao (AceLan)