This bug was fixed in the package linux - 4.4.0-116.140
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linux (4.4.0-116.140) xenial; urgency=medium
* linux: 4.4.0-116.140 -proposed tracker (LP: #1748990)
* BUG: unable to handle kernel NULL pointer dereference at 0009
(LP: #1748671)
- SAUCE: net: ipv4: fix for a race condition in raw_sendmsg -- fix backport
linux (4.4.0-115.139) xenial; urgency=medium
* linux: 4.4.0-115.138 -proposed tracker (LP: #1748745)
* CVE-2017-5715 (Spectre v2 Intel)
- Revert "UBUNTU: SAUCE: turn off IBPB when full retpoline is present"
- SAUCE: turn off IBRS when full retpoline is present
- [Packaging] retpoline files must be sorted
- [Packaging] pull in retpoline files
linux (4.4.0-114.137) xenial; urgency=medium
* linux: 4.4.0-114.137 -proposed tracker (LP: #1748484)
* ALSA backport missing NVIDIA GPU codec IDs to patch table to
Ubuntu 16.04 LTS Kernel (LP: #1744117)
- ALSA: hda - Add missing NVIDIA GPU codec IDs to patch table
* Shutdown hang on 16.04 with iscsi targets (LP: #1569925)
- scsi: libiscsi: Allow sd_shutdown on bad transport
* libata: apply MAX_SEC_1024 to all LITEON EP1 series devices (LP: #1743053)
- libata: apply MAX_SEC_1024 to all LITEON EP1 series devices
* KVM patches for s390x to provide facility bits 81 (ppa15) and 82 (bpb)
(LP: #1747090)
- KVM: s390: wire up bpb feature
- KVM: s390: Enable all facility bits that are known good for passthrough
* CVE-2017-5715 (Spectre v2 Intel)
- SAUCE: drop lingering gmb() macro
- x86/feature: Enable the x86 feature to control Speculation
- x86/feature: Report presence of IBPB and IBRS control
- x86/enter: MACROS to set/clear IBRS and set IBPB
- x86/enter: Use IBRS on syscall and interrupts
- x86/idle: Disable IBRS entering idle and enable it on wakeup
- x86/idle: Disable IBRS when offlining cpu and re-enable on wakeup
- x86/mm: Set IBPB upon context switch
- x86/mm: Only set IBPB when the new thread cannot ptrace current thread
- x86/kvm: add MSR_IA32_SPEC_CTRL and MSR_IA32_PRED_CMD to kvm
- x86/kvm: Set IBPB when switching VM
- x86/kvm: Toggle IBRS on VM entry and exit
- x86/spec_ctrl: Add sysctl knobs to enable/disable SPEC_CTRL feature
- x86/spec_ctrl: Add lock to serialize changes to ibrs and ibpb control
- x86/cpu/amd, kvm: Satisfy guest kernel reads of IC_CFG MSR
- x86/cpu/AMD: Add speculative control support for AMD
- x86/microcode: Extend post microcode reload to support IBPB feature
- KVM: SVM: Do not intercept new speculative control MSRs
- x86/svm: Set IBRS value on VM entry and exit
- x86/svm: Set IBPB when running a different VCPU
- KVM: x86: Add speculative control CPUID support for guests
- SAUCE: Fix spec_ctrl support in KVM
- SAUCE: turn off IBPB when full retpoline is present
linux (4.4.0-113.136) xenial; urgency=low
* linux: 4.4.0-113.136 -proposed tracker (LP: #1746936)
[ Stefan Bader ]
* Missing install-time driver for QLogic QED 25/40/100Gb Ethernet NIC
(LP: #1743638)
- [d-i] Add qede to nic-modules udeb
* CVE-2017-5753 (Spectre v1 Intel)
- x86/cpu/AMD: Make the LFENCE instruction serialized
- x86/cpu/AMD: Remove now unused definition of MFENCE_RDTSC feature
- SAUCE: reinstate MFENCE_RDTSC feature definition
- locking/barriers: introduce new observable speculation barrier
- bpf: prevent speculative execution in eBPF interpreter
- x86, bpf, jit: prevent speculative execution when JIT is enabled
- SAUCE: FIX: x86, bpf, jit: prevent speculative execution when JIT is
enabled
- carl9170: prevent speculative execution
- qla2xxx: prevent speculative execution
- Thermal/int340x: prevent speculative execution
- ipv4: prevent speculative execution
- ipv6: prevent speculative execution
- fs: prevent speculative execution
- net: mpls: prevent speculative execution
- udf: prevent speculative execution
- userns: prevent speculative execution
- SAUCE: claim mitigation via observable speculation barrier
- SAUCE: powerpc: add osb barrier
- SAUCE: s390/spinlock: add osb memory barrier
- SAUCE: arm64: no osb() implementation yet
- SAUCE: arm: no osb() implementation yet
* CVE-2017-5715 (Spectre v2 retpoline)
- x86/cpuid: Provide get_scattered_cpuid_leaf()
- x86/cpu: Factor out application of forced CPU caps
- x86/cpufeatures: Make CPU bugs sticky
- x86/cpufeatures: Add X86_BUG_CPU_INSECURE
- x86/cpu, x86/pti: Do not enable PTI on AMD processors
- x86/pti: Rename BUG_CPU_INSECURE to BUG_CPU_MELTDOWN
- x86/cpufeatures: Add X86_BUG_SPECTRE_V[12]
- x86/cpu: Merge bugs.c and bugs_64.c
- sysfs/cpu: Add vulnerability folder
- x86/cpu: Implement CPU vulnerabilites sysfs functions
- x86/alternatives: Add missing '\n' at end of ALTERNATIVE inline asm
- x86/mm/32: Move setup_clear_cpu_cap(X86_FEATURE_PCID) earlier
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