This bug was fixed in the package linux-azure - 4.18.0-1018.18
---------------
linux-azure (4.18.0-1018.18) cosmic; urgency=medium
[ Ubuntu: 4.18.0-20.21 ]
* 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-azure (4.18.0-1017.17) cosmic; urgency=medium
* linux-azure: 4.18.0-1017.17 -proposed tracker (LP: #1826166)
* [linux-azure] Include mainline commits fc96df16a1ce and ba50bf1ce9a5 in
Azure kernel (LP: #1821378)
- Drivers: hv: vmbus: Return -EINVAL for the sys files for unopened channels
- Drivers: hv: vmbus: Check for ring when getting debug info
* [linux-azure] Commit To Improve NVMe Performance (LP: #1819689)
- blk-mq: remove the request_list usage
[ Ubuntu: 4.18.0-19.20 ]
* 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
linux-azure (4.18.0-1016.16) cosmic; urgency=medium
* linux-azure: 4.18.0-1016.16 -proposed tracker (LP: #1824841)
* The 4.18.0-1015.15 Azure Kernel Panics Due to Missing Commit (LP: #1823805)
- scsi: storvsc: Fix a race in sub-channel creation that can cause panic
* linux-azure: Add the Catapult FPGA Driver (LP: #1824879)
- SAUCE: linux-azure: Include Catapult FPGA PCI driver
- [Config] linux-azure: CONFIG_CATAPULT_PCI=m
linux-azure (4.18.0-1015.15) cosmic; urgency=medium
* linux-azure: 4.18.0-1015.15 -proposed tracker (LP: #1822791)
* Upstream Commits Needed for DPDK on Azure (LP: #1812123)
- vmbus: keep pointer to ring buffer page
- uio: introduce UIO_MEM_IOVA
- hv_uio_generic: map ringbuffer phys addr
- uio_hv_generic: defer opening vmbus until first use
- uio_hv_generic: set callbacks on open
- vmbus: pass channel to hv_process_channel_removal
- vmbus: split ring buffer allocation from open
- vmbus: fix subchannel removal
* [Hyper-V] Enable CONFIG_HOTPLUG_CPU in linux-azure (LP: #1821934)
- Revert "UBUNTU: [Config] azure: CONFIG_HOTPLUG_CPU=n"
[ Ubuntu: 4.18.0-18.19 ]
* linux: 4.18.0-18.19 -proposed tracker (LP: #1822796)
* 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()
* [SRU][B/C/OEM]IOMMU: add kernel dma protection (LP: #1820153)
- 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
* 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
* Avoid potential memory corruption on HiSilicon SoCs (LP: #1819546)
- iommu/arm-smmu-v3: Avoid memory corruption from Hisilicon MSI payloads
* CVE-2017-5715
- 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
* [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
* 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
* 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: 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
* 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
-- Stefan Bader <stefan.ba...@canonical.com> Tue, 07 May 2019 19:14:33
+0200
** Changed in: linux-azure (Ubuntu Cosmic)
Status: Fix Committed => Fix Released
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2017-5715
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2017-5753
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2017-5754
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2018-12126
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2018-12127
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2018-12130
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2018-16884
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2018-3620
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2018-3639
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2018-3646
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2019-3874
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2019-3882
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2019-3887
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2019-9500
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2019-9503
** Changed in: linux-azure (Ubuntu Xenial)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1819689
Title:
[linux-azure] Commit To Improve NVMe Performance
Status in linux-azure package in Ubuntu:
New
Status in linux-azure source package in Xenial:
Fix Released
Status in linux-azure source package in Cosmic:
Fix Released
Bug description:
In bug 1818138, the config option CONFIG_NO_HZ_FULL was requested to
be enabled in the linux-azure kernels(currently 4.15 and 4.18) in
order to increase NVME disks performance.
To achieve the peak IOPs we are seeing in testing, the following commit is
also needed:
7ac257b862f2c (“blk-mq: remove the request_list usage”)
This commit cleans up unused code in block-mq (mq uses pre-allocated
tags to allocate request, not request_list as it's used only in legacy
queue). The commit saves a bunch of rcu locks on I/O queuing path,
which increases the achievable IOPs seen in testing.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux-azure/+bug/1819689/+subscriptions
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