Package "linux-gcp"

  linux-gcp (4.13.0-1020.24) xenial; urgency=medium

  * linux-gcp: 4.13.0-1020.24 -proposed tracker (LP: #1776335)

  [ Ubuntu: 4.13.0-46.51 ]

  * linux: 4.13.0-46.51 -proposed tracker (LP: #1776333)
  * register on binfmt_misc may overflow and crash the system (LP: #1775856)
    - fs/binfmt_misc.c: do not allow offset overflow
  * CVE-2018-11508
    - compat: fix 4-byte infoleak via uninitialized struct field
  * rfi-flush: Switch to new linear fallback flush (LP: #1744173)
    - SAUCE: rfi-flush: Factor out init_fallback_flush()
    - SAUCE: rfi-flush: Move rfi_flush_fallback_area to end of paca
    - powerpc/64s: Improve RFI L1-D cache flush fallback
    - powerpc/rfi-flush: Make it possible to call setup_rfi_flush() again
    - powerpc/rfi-flush: Differentiate enabled and patched flush types
    - powerpc/rfi-flush: Call setup_rfi_flush() after LPM migration
  * Fix enabling bridge MMIO windows (LP: #1771344)
    - powerpc/eeh: Fix enabling bridge MMIO windows
  * CVE-2018-1130
    - dccp: check sk for closed state in dccp_sendmsg()
  * CVE-2018-7757
    - scsi: libsas: fix memory leak in sas_smp_get_phy_events()
  * cpum_sf: ensure sample freq is non-zero (LP: #1772593)
    - s390/cpum_sf: ensure sample frequency of perf event attributes is non-zero
  * wlp3s0: failed to remove key (1, ff:ff:ff:ff:ff:ff) from hardware (-22)
    (LP: #1720930)
    - iwlwifi: mvm: fix "failed to remove key" message
  * CVE-2018-6927
    - futex: Prevent overflow by strengthen input validation
  * After update to 4.13-43 Intel Graphics are Laggy (LP: #1773520)
    - SAUCE: Revert "drm/i915/edp: Allow alternate fixed mode for eDP if
      available."
  * ELANPAD ELAN0612 does not work, patch available (LP: #1773509)
    - SAUCE: Input: elan_i2c - add ELAN0612 to the ACPI table
  * kernel backtrace when receiving large UDP packages (LP: #1772031)
    - iov_iter: fix page_copy_sane for compound pages
  * FS-Cache: Assertion failed: FS-Cache: 6 == 5 is false (LP: #1774336)
    - SAUCE: CacheFiles: fix a read_waiter/read_copier race
  * CVE-2018-5803
    - sctp: verify size of a new chunk in _sctp_make_chunk()
  * enable mic-mute hotkey and led on Lenovo M820z and M920z (LP: #1774306)
    - ALSA: hda/realtek - Enable mic-mute hotkey for several Lenovo AIOs
  * CVE-2018-7755
    - SAUCE: floppy: Do not copy a kernel pointer to user memory in FDGETPRM ioctl
  * CVE-2018-5750
    - ACPI: sbshc: remove raw pointer from printk() message

 -- Khalid Elmously <email address hidden> Tue, 12 Jun 2018 01:36:34 -0400

  linux-gcp (4.13.0-1019.23) xenial; urgency=medium

  * linux-gcp: 4.13.0-1019.23 -proposed tracker (LP: #1774127)

  [ Ubuntu: 4.13.0-45.50 ]

  * linux: 4.13.0-45.50 -proposed tracker (LP: #1774124)
  * CVE-2018-3639 (x86)
    - SAUCE: Set generic SSBD feature for Intel cpus

  linux-gcp (4.13.0-1018.22) xenial; urgency=medium

  * linux-gcp: 4.13.0-1018.22 -proposed tracker (LP: #1772953)

  [ Ubuntu: 4.13.0-44.49 ]

  * linux: 4.13.0-44.49 -proposed tracker (LP: #1772951)
  * CVE-2018-3639 (x86)
    - x86/cpu: Make alternative_msr_write work for 32-bit code
    - x86/cpu/AMD: Fix erratum 1076 (CPB bit)
    - x86/bugs: Fix the parameters alignment and missing void
    - KVM: SVM: Move spec control call after restore of GS
    - x86/speculation: Use synthetic bits for IBRS/IBPB/STIBP
    - x86/cpufeatures: Disentangle MSR_SPEC_CTRL enumeration from IBRS
    - x86/cpufeatures: Disentangle SSBD enumeration
    - x86/cpufeatures: Add FEATURE_ZEN
    - x86/speculation: Handle HT correctly on AMD
    - x86/bugs, KVM: Extend speculation control for VIRT_SPEC_CTRL
    - x86/speculation: Add virtualized speculative store bypass disable support
    - x86/speculation: Rework speculative_store_bypass_update()
    - x86/bugs: Unify x86_spec_ctrl_{set_guest,restore_host}
    - x86/bugs: Expose x86_spec_ctrl_base directly
    - x86/bugs: Remove x86_spec_ctrl_set()
    - x86/bugs: Rework spec_ctrl base and mask logic
    - x86/speculation, KVM: Implement support for VIRT_SPEC_CTRL/LS_CFG
    - KVM: SVM: Implement VIRT_SPEC_CTRL support for SSBD
    - x86/bugs: Rename SSBD_NO to SSB_NO
    - bpf: Prevent memory disambiguation attack
    - KVM: VMX: Expose SSBD properly to guests.
  * [Ubuntu 16.04] kernel: fix rwlock implementation (LP: #1761674)
    - SAUCE: (no-up) s390: fix rwlock implementation
  * CVE-2018-7492
    - rds: Fix NULL pointer dereference in __rds_rdma_map
  * CVE-2018-8781
    - drm: udl: Properly check framebuffer mmap offsets
  * fsnotify: Fix fsnotify_mark_connector race (LP: #1765564)
    - fsnotify: Fix fsnotify_mark_connector race
  * Kernel panic on boot (m1.small in cn-north-1) (LP: #1771679)
    - x86/xen: Reset VCPU0 info pointer after shared_info remap
  * Suspend to idle: Open lid didn't resume (LP: #1771542)
    - ACPI / PM: Do not reconfigure GPEs for suspend-to-idle
  * CVE-2018-1092
    - ext4: fail ext4_iget for root directory if unallocated
  * [SRU][Artful] using vfio-pci on a combination of cn8xxx and some PCI devices
    results in a kernel panic. (LP: #1770254)
    - PCI: Avoid bus reset if bridge itself is broken
    - PCI: Mark Cavium CN8xxx to avoid bus reset
    - PCI: Avoid slot reset if bridge itself is broken
  * Battery drains when laptop is off (shutdown) (LP: #1745646)
    - PCI / PM: Check device_may_wakeup() in pci_enable_wake()
  * perf record crash: refcount_inc assertion failed (LP: #1769027)
    - perf cgroup: Fix refcount usage
    - perf xyarray: Fix wrong processing when closing evsel fd
  * Dell Latitude 5490/5590 BIOS update 1.1.9 causes black screen at boot
    (LP: #1764194)
    - drm/i915/bios: filter out invalid DDC pins from VBT child devices
  * Fix an issue that some PCI devices get incorrectly suspended (LP: #1764684)
    - PCI / PM: Always check PME wakeup capability for runtime wakeup support
  * [SRU][Bionic/Artful] fix false positives in W+X checking (LP: #1769696)
    - init: fix false positives in W+X checking
  * CVE-2018-1068
    - netfilter: ebtables: CONFIG_COMPAT: don't trust userland offsets
  * CVE-2018-8087
    - mac80211_hwsim: fix possible memory leak in hwsim_new_radio_nl()
  * Integrated Webcam Realtek Integrated_Webcam_HD (0bda:58f4) not working in
    DELL XPS 13 9370 with firmware 1.50 (LP: #1763748)
    - SAUCE: media: uvcvideo: Support realtek's UVC 1.5 device
  * unregister_netdevice: waiting for eth0 to become free. Usage count = 5
    (LP: #1746474)
    - ipv4: convert dst_metrics.refcnt from atomic_t to refcount_t
    - xfrm: reuse uncached_list to track xdsts
  * Acer Swift sf314-52 power button not managed (LP: #1766054)
    - SAUCE: platform/x86: acer-wmi: add another KEY_POWER keycode
  * set PINCFG_HEADSET_MIC to parse_flags for Dell precision 3630 (LP: #1766398)
    - ALSA: hda/realtek - set PINCFG_HEADSET_MIC to parse_flags
  * Change the location for one of two front mics on a lenovo thinkcentre
    machine (LP: #1766477)
    - ALSA: hda/realtek - adjust the location of one mic

 -- Khalid Elmously <email address hidden> Fri, 25 May 2018 18:00:33 +0000

  linux-gcp (4.13.0-1017.21) xenial; urgency=medium

  [ Ubuntu: 4.13.0-43.48 ]

  * CVE-2018-3639 (powerpc)
    - SAUCE: rfi-flush: update H_CPU_* macro names to upstream
    - SAUCE: rfi-flush: update plpar_get_cpu_characteristics() signature to
      upstream
    - SAUCE: update pseries_setup_rfi_flush() capitalization to upstream
    - powerpc/pseries: Support firmware disable of RFI flush
    - powerpc/powernv: Support firmware disable of RFI flush
    - powerpc/64s: Allow control of RFI flush via debugfs
    - powerpc/rfi-flush: Move the logic to avoid a redo into the debugfs code
    - powerpc/rfi-flush: Always enable fallback flush on pseries
    - powerpc/rfi-flush: Differentiate enabled and patched flush types
    - powerpc/pseries: Add new H_GET_CPU_CHARACTERISTICS flags
    - powerpc: Add security feature flags for Spectre/Meltdown
    - powerpc/powernv: Set or clear security feature flags
    - powerpc/pseries: Set or clear security feature flags
    - powerpc/powernv: Use the security flags in pnv_setup_rfi_flush()
    - powerpc/pseries: Use the security flags in pseries_setup_rfi_flush()
    - powerpc/pseries: Fix clearing of security feature flags
    - powerpc: Move default security feature flags
    - powerpc/pseries: Restore default security feature flags on setup
    - powerpc/64s: Add support for a store forwarding barrier at kernel entry/exit
  * CVE-2018-3639 (x86)
    - SAUCE: Add X86_FEATURE_ARCH_CAPABILITIES
    - SAUCE: x86: Add alternative_msr_write
    - x86/nospec: Simplify alternative_msr_write()
    - x86/pti: Do not enable PTI on CPUs which are not vulnerable to Meltdown
    - x86/bugs: Concentrate bug detection into a separate function
    - x86/bugs: Concentrate bug reporting into a separate function
    - x86/msr: Add definitions for new speculation control MSRs
    - x86/bugs: Read SPEC_CTRL MSR during boot and re-use reserved bits
    - x86/bugs, KVM: Support the combination of guest and host IBRS
    - x86/bugs: Expose /sys/../spec_store_bypass
    - x86/cpufeatures: Add X86_FEATURE_RDS
    - x86/bugs: Provide boot parameters for the spec_store_bypass_disable
      mitigation
    - x86/bugs/intel: Set proper CPU features and setup RDS
    - x86/bugs: Whitelist allowed SPEC_CTRL MSR values
    - x86/bugs/AMD: Add support to disable RDS on Fam[15,16,17]h if requested
    - x86/KVM/VMX: Expose SPEC_CTRL Bit(2) to the guest
    - x86/speculation: Create spec-ctrl.h to avoid include hell
    - prctl: Add speculation control prctls
    - x86/process: Allow runtime control of Speculative Store Bypass
    - x86/speculation: Add prctl for Speculative Store Bypass mitigation
    - nospec: Allow getting/setting on non-current task
    - proc: Provide details on speculation flaw mitigations
    - seccomp: Enable speculation flaw mitigations
    - SAUCE: x86/bugs: Honour SPEC_CTRL default
    - x86/bugs: Make boot modes __ro_after_init
    - prctl: Add force disable speculation
    - seccomp: Use PR_SPEC_FORCE_DISABLE
    - seccomp: Add filter flag to opt-out of SSB mitigation
    - seccomp: Move speculation migitation control to arch code
    - x86/speculation: Make "seccomp" the default mode for Speculative Store
      Bypass
    - x86/bugs: Rename _RDS to _SSBD
    - proc: Use underscores for SSBD in 'status'
    - Documentation/spec_ctrl: Do some minor cleanups
    - x86/bugs: Fix __ssb_select_mitigation() return type
    - x86/bugs: Make cpu_show_common() static
  * LSM Stacking prctl values should be redefined as to not collide with
    upstream prctls (LP: #1769263) // CVE-2018-3639
    - SAUCE: LSM stacking: adjust prctl values