This bug was fixed in the package linux - 4.13.0-31.34
---
linux (4.13.0-31.34) artful; urgency=low
* linux: 4.13.0-31.34 -proposed tracker (LP: #1744294)
[ Stefan Bader ]
* CVE-2017-5715 // CVE-2017-5753
- SAUCE: s390: improve cpu alternative handling for gmb and nobp
- SAUCE: s390: print messages for gmb and nobp
- [Config] KERNEL_NOBP=y
linux (4.13.0-30.33) artful; urgency=low
* linux: 4.13.0-30.33 -proposed tracker (LP: #1743412)
* Do not duplicate changelog entries assigned to more than one bug or CVE
(LP: #1743383)
- [Packaging] git-ubuntu-log -- handle multiple bugs/cves better
* Unable to handle kernel NULL pointer dereference at isci_task_abort_task
(LP: #1726519)
- Revert "scsi: libsas: allow async aborts"
* CVE-2017-5715 // CVE-2017-5753
- SAUCE: x86/microcode: Extend post microcode reload to support IBPB feature
-- repair missmerge
- Revert "x86/svm: Add code to clear registers on VM exit"
- kvm: vmx: Scrub hardware GPRs at VM-exit
linux (4.13.0-29.32) artful; urgency=low
* linux: 4.13.0-29.32 -proposed tracker (LP: #1742722)
* CVE-2017-5754
- Revert "x86/cpu: Implement CPU vulnerabilites sysfs functions"
- Revert "sysfs/cpu: Fix typos in vulnerability documentation"
- Revert "sysfs/cpu: Add vulnerability folder"
- Revert "UBUNTU: [Config] updateconfigs to enable
GENERIC_CPU_VULNERABILITIES"
linux (4.13.0-28.31) artful; urgency=low
* CVE-2017-5753
- SAUCE: x86/kvm: Fix stuff_RSB() for 32-bit
* CVE-2017-5715
- SAUCE: x86/kvm: Fix stuff_RSB() for 32-bit
linux (4.13.0-27.30) artful; urgency=low
[ Andy Whitcroft ]
* CVE-2017-5753
- locking/barriers: introduce new memory barrier gmb()
- bpf: prevent speculative execution in eBPF interpreter
- x86, bpf, jit: prevent speculative execution when JIT is enabled
- uvcvideo: prevent speculative execution
- carl9170: prevent speculative execution
- p54: prevent speculative execution
- qla2xxx: prevent speculative execution
- cw1200: prevent speculative execution
- Thermal/int340x: prevent speculative execution
- userns: prevent speculative execution
- ipv6: prevent speculative execution
- fs: prevent speculative execution
- net: mpls: prevent speculative execution
- udf: prevent speculative execution
- 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/entry: Stuff RSB for entry to kernel for non-SMEP platform
- 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/kvm: Pad RSB on VM transition
- 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/syscall: Clear unused extra registers on syscall entrance
- x86/syscall: Clear unused extra registers on 32-bit compatible syscall
entrance
- x86/entry: Use retpoline for syscall's indirect calls
- 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
- x86/svm: Add code to clobber the RSB on VM exit
- x86/svm: Add code to clear registers on VM exit
- x86/cpu/AMD: Remove now unused definition of MFENCE_RDTSC feature
- powerpc: add gmb barrier
- s390/spinlock: add gmb memory barrier
- x86/microcode/AMD: Add support for fam17h microcode loading
* CVE-2017-5715
- locking/barriers: introduce new memory barrier gmb()
- bpf: prevent speculative execution in eBPF interpreter
- x86, bpf, jit: prevent speculative execution when JIT is enabled
- uvcvideo: prevent speculative execution
- carl9170: prevent speculative execution
- p54: prevent speculative execution
- qla2xxx: prevent speculative execution
- cw1200: prevent speculative execution
- Thermal/int340x: prevent speculative execution
- userns: prevent speculative execution
- ipv6: prevent speculative execution
- fs: prevent speculative execution
- net: mpls: prevent speculative execution
- udf: prevent speculative execution
- x86/feature: Enable the x86 feature to control Speculation
- x86/feature: Report presence of IBPB and
