[ubuntu/xenial-proposed] linux 4.4.0-168.197 (Accepted)

[Andy Whitcroft]

linux (4.4.0-168.197) xenial; urgency=medium

  * CVE-2018-12207
    - KVM: x86: MMU: Encapsulate the type of rmap-chain head in a new struct
    - KVM: x86: MMU: Consolidate quickly_check_mmio_pf() and is_mmio_page_fault()
    - KVM: x86: MMU: Move handle_mmio_page_fault() call to kvm_mmu_page_fault()
    - KVM: MMU: rename has_wrprotected_page to mmu_gfn_lpage_is_disallowed
    - KVM: MMU: introduce kvm_mmu_gfn_{allow,disallow}_lpage
    - KVM: x86: MMU: Make mmu_set_spte() return emulate value
    - KVM: x86: MMU: Move initialization of parent_ptes out from
      kvm_mmu_alloc_page()
    - KVM: x86: MMU: always set accessed bit in shadow PTEs
    - KVM: x86: MMU: Move parent_pte handling from kvm_mmu_get_page() to
      link_shadow_page()
    - KVM: x86: MMU: Remove unused parameter parent_pte from kvm_mmu_get_page()
    - KVM: x86: simplify ept_misconfig
    - KVM: x86: extend usage of RET_MMIO_PF_* constants
    - KVM: MMU: drop vcpu param in gpte_access
    - kvm: Convert kvm_lock to a mutex
    - kvm: x86: Do not release the page inside mmu_set_spte()
    - KVM: x86: make FNAME(fetch) and __direct_map more similar
    - KVM: x86: remove now unneeded hugepage gfn adjustment
    - KVM: x86: change kvm_mmu_page_get_gfn BUG_ON to WARN_ON
    - KVM: x86: add tracepoints around __direct_map and FNAME(fetch)
    - SAUCE: KVM: vmx, svm: always run with EFER.NXE=1 when shadow paging is
      active
    - SAUCE: x86: Add ITLB_MULTIHIT bug infrastructure
    - SAUCE: kvm: mmu: ITLB_MULTIHIT mitigation
    - SAUCE: kvm: Add helper function for creating VM worker threads
    - SAUCE: kvm: x86: mmu: Recovery of shattered NX large pages
    - SAUCE: cpu/speculation: Uninline and export CPU mitigations helpers
    - SAUCE: kvm: x86: mmu: Apply global mitigations knob to ITLB_MULTIHIT

  * CVE-2019-11135
    - KVM: x86: Emulate MSR_IA32_ARCH_CAPABILITIES on AMD hosts
    - KVM: x86: use Intel speculation bugs and features as derived in generic x86
      code
    - x86/msr: Add the IA32_TSX_CTRL MSR
    - x86/cpu: Add a helper function x86_read_arch_cap_msr()
    - x86/cpu: Add a "tsx=" cmdline option with TSX disabled by default
    - x86/speculation/taa: Add mitigation for TSX Async Abort
    - x86/speculation/taa: Add sysfs reporting for TSX Async Abort
    - kvm/x86: Export MDS_NO=0 to guests when TSX is enabled
    - x86/tsx: Add "auto" option to the tsx= cmdline parameter
    - x86/speculation/taa: Add documentation for TSX Async Abort
    - x86/tsx: Add config options to set tsx=on|off|auto
    - SAUCE: x86/speculation/taa: Call tsx_init()
    - SAUCE: x86/cpu: Include cpu header from bugs.c
    - [Config] Disable TSX by default when possible

  * CVE-2019-0154
    - SAUCE: i915_bpo: drm/i915: Lower RM timeout to avoid DSI hard hangs
    - SAUCE: i915_bpo: drm/i915/gen8+: Add RC6 CTX corruption WA
    - SAUCE: drm/i915/gen8+: Add RC6 CTX corruption WA

  * CVE-2019-0155
    - SAUCE: i915_bpo: drm/i915/gtt: Add read only pages to gen8_pte_encode
    - SAUCE: i915_bpo: drm/i915/gtt: Read-only pages for insert_entries on bdw+
    - SAUCE: i915_bpo: drm/i915/gtt: Disable read-only support under GVT
    - SAUCE: i915_bpo: drm/i915: Rename gen7 cmdparser tables
    - SAUCE: i915_bpo: drm/i915: Disable Secure Batches for gen6+
    - SAUCE: i915_bpo: drm/i915/cmdparser: Use binary search for faster register
      lookup
    - SAUCE: i915_bpo: drm/i915/cmdparser: Check reg_table_count before
      derefencing.
    - SAUCE: i915_bpo: drm/i915: Remove Master tables from cmdparser
    - SAUCE: i915_bpo: drm/i915: Add support for mandatory cmdparsing
    - SAUCE: i915_bpo: drm/i915: Support ro ppgtt mapped cmdparser shadow buffers
    - SAUCE: i915_bpo: drm/i915: Allow parsing of unsized batches
    - SAUCE: i915_bpo: drm/i915: Add gen9 BCS cmdparsing
    - SAUCE: i915_bpo: drm/i915/cmdparser: Add support for backward jumps
    - SAUCE: i915_bpo: drm/i915/cmdparser: Ignore Length operands during command
      matching

Date: 2019-11-06 11:05:14.852310+00:00
Changed-By: Stefan Bader <stefan.bader at canonical.com>
Signed-By: Andy Whitcroft <apw at canonical.com>
https://launchpad.net/ubuntu/+source/linux/4.4.0-168.197
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