OVMSA-2018-0247

OVMSA-2018-0247 - Unbreakable Enterprise kernel security update

Type:SECURITY
Severity:IMPORTANT
Release Date:2018-08-14

Description


[4.1.12-124.18.5]
- inet: frag: enforce memory limits earlier (Eric Dumazet) [Orabug: 28450977]
- x86/mm/pageattr.c: fix page prot mask (Mihai Carabas) [Orabug: 28492122]
- x86/pgtable.h: fix PMD/PUD mask (Mihai Carabas) [Orabug: 28492122]
- x86/asm: Add pud/pmd mask interfaces to handle large PAT bit (Toshi Kani) [Orabug: 28492122]

[4.1.12-124.18.4]
- kvm/vmx: Don't mark vmx_exit() __exit (Boris Ostrovsky) [Orabug: 28491688]
- x86/speculation: Don't mark cpu_no_l1tf __initconst (Boris Ostrovsky) [Orabug: 28491688]
- x86/speculation: parse l1tf boot parameter early (Boris Ostrovsky) [Orabug: 28491688]

[4.1.12-124.18.3]
- posix-timer: Properly check sigevent->sigev_notify (Thomas Gleixner) [Orabug: 28481412] {CVE-2017-18344}

[4.1.12-124.18.2]
- x86/mm/kmmio: Make the tracer robust against L1TF (Andi Kleen) [Orabug: 28220674] {CVE-2018-3620}
- x86/mm/pat: Make set_memory_np() L1TF safe (Andi Kleen) [Orabug: 28220674] {CVE-2018-3620}
- x86/mm/pat: Ensure cpa->pfn only contains page frame numbers (Matt Fleming) [Orabug: 28220674] {CVE-2018-3620}
- x86/speculation/l1tf: Make pmd/pud_mknotpresent() invert (Andi Kleen) [Orabug: 28220674] {CVE-2018-3620}
- x86/speculation/l1tf: Invert all not present mappings (Andi Kleen) [Orabug: 28220674] {CVE-2018-3620}
- cpu/hotplug: Fix SMT supported evaluation (Thomas Gleixner) [Orabug: 28220674] {CVE-2018-3620}
- KVM: VMX: Tell the nested hypervisor to skip L1D flush on vmentry (Paolo Bonzini) [Orabug: 28220674] {CVE-2018-3646}
- x86/speculation: Use ARCH_CAPABILITIES to skip L1D flush on vmentry (Paolo Bonzini) [Orabug: 28220674] {CVE-2018-3620}
- KVM/VMX: Emulate MSR_IA32_ARCH_CAPABILITIES (KarimAllah Ahmed) [Orabug: 28220674] {CVE-2018-3646}
- x86/speculation: Simplify sysfs report of VMX L1TF vulnerability (Paolo Bonzini) [Orabug: 28220674] {CVE-2018-3620}
- Documentation/l1tf: Remove Yonah processors from not vulnerable list (Thomas Gleixner) [Orabug: 28220674] {CVE-2018-3620}
- x86/KVM/VMX: Don't set l1tf_flush_l1d from vmx_handle_external_intr() (Nicolai Stange) [Orabug: 28220674] {CVE-2018-3646}
- x86/irq: Let interrupt handlers set kvm_cpu_l1tf_flush_l1d (Nicolai Stange) [Orabug: 28220674] {CVE-2018-3646}
- x86: Don't include linux/irq.h from asm/hardirq.h (Nicolai Stange) [Orabug: 28220625] {CVE-2018-3620}
- x86/KVM/VMX: Introduce per-host-cpu analogue of l1tf_flush_l1d (Nicolai Stange) [Orabug: 28220625] {CVE-2018-3646}
- x86/KVM/VMX: Move the l1tf_flush_l1d test to vmx_l1d_flush() (Nicolai Stange) [Orabug: 28220625] {CVE-2018-3646}
- x86/KVM/VMX: Replace 'vmx_l1d_flush_always' with 'vmx_l1d_flush_cond' (Nicolai Stange) [Orabug: 28220625] {CVE-2018-3646}
- x86/KVM/VMX: Don't set l1tf_flush_l1d to true from vmx_l1d_flush() (Nicolai Stange) [Orabug: 28220625] {CVE-2018-3646}
- KVM: VMX: support MSR_IA32_ARCH_CAPABILITIES as a feature MSR (Paolo Bonzini) [Orabug: 28220625] {CVE-2018-3646}
- KVM: X86: Introduce kvm_get_msr_feature() (Wanpeng Li) [Orabug: 28220674] {CVE-2018-3646}
- KVM: x86: Add a framework for supporting MSR-based features (Tom Lendacky) [Orabug: 28220674] {CVE-2018-3646}
- cpu/hotplug: detect SMT disabled by BIOS (Josh Poimboeuf) [Orabug: 28220674] {CVE-2018-3620}
- Documentation/l1tf: Fix typos (Tony Luck) [Orabug: 28220674] {CVE-2018-3620}
- x86/KVM/VMX: Initialize the vmx_l1d_flush_pages' content (Nicolai Stange) [Orabug: 28220674] {CVE-2018-3646}
- x86/speculation/l1tf: Unbreak !__HAVE_ARCH_PFN_MODIFY_ALLOWED architectures (Jiri Kosina) [Orabug: 28220674] {CVE-2018-3620}
- Documentation: Add section about CPU vulnerabilities (Thomas Gleixner) [Orabug: 28220674] {CVE-2018-3620}
- x86/bugs, kvm: Introduce boot-time control of L1TF mitigations (Jiri Kosina) [Orabug: 28220674] {CVE-2018-3646}
- cpu/hotplug: Set CPU_SMT_NOT_SUPPORTED early (Thomas Gleixner) [Orabug: 28220674] {CVE-2018-3620}
- cpu/hotplug: Expose SMT control init function (Jiri Kosina) [Orabug: 28220674] {CVE-2018-3620}
- x86/kvm: Allow runtime control of L1D flush (Thomas Gleixner) [Orabug: 28220674] {CVE-2018-3646}
- x86/kvm: Serialize L1D flush parameter setter (Thomas Gleixner) [Orabug: 28220674] {CVE-2018-3646}
- x86/kvm: Add static key for flush always (Thomas Gleixner) [Orabug: 28220674] {CVE-2018-3646}
- x86/kvm: Move l1tf setup function (Thomas Gleixner) [Orabug: 28220625] {CVE-2018-3646}
- x86/l1tf: Handle EPT disabled state proper (Thomas Gleixner) [Orabug: 28220625] {CVE-2018-3620}
- x86/kvm: Drop L1TF MSR list approach (Thomas Gleixner) [Orabug: 28220674] {CVE-2018-3646}
- x86/litf: Introduce vmx status variable (Thomas Gleixner) [Orabug: 28220674] {CVE-2018-3620}
- cpu/hotplug: Online siblings when SMT control is turned on (Thomas Gleixner) [Orabug: 28220674] {CVE-2018-3620}
- x86/KVM/VMX: Use MSR save list for IA32_FLUSH_CMD if required (Konrad Rzeszutek Wilk) [Orabug: 28220674] {CVE-2018-3646}
- x86/KVM/VMX: Extend add_atomic_switch_msr() to allow VMENTER only MSRs (Konrad Rzeszutek Wilk) [Orabug: 28220674] {CVE-2018-3646}
- x86/KVM/VMX: Separate the VMX AUTOLOAD guest/host number accounting (Konrad Rzeszutek Wilk) [Orabug: 28220674] {CVE-2018-3646}
- x86/KVM/VMX: Add find_msr() helper function (Konrad Rzeszutek Wilk) [Orabug: 28220674] {CVE-2018-3646}
- x86/KVM/VMX: Split the VMX MSR LOAD structures to have an host/guest numbers (Konrad Rzeszutek Wilk) [Orabug: 28220674] {CVE-2018-3646}
- x86/KVM/VMX: Add L1D flush logic (Paolo Bonzini) [Orabug: 28220674] {CVE-2018-3646}
- x86/KVM/VMX: Add L1D MSR based flush (Paolo Bonzini) [Orabug: 28220674] {CVE-2018-3646}
- x86/KVM/VMX: Add L1D flush algorithm (Paolo Bonzini) [Orabug: 28220674] {CVE-2018-3646}
- x86/KVM/VMX: Add module argument for L1TF mitigation (Konrad Rzeszutek Wilk) [Orabug: 28220674] {CVE-2018-3646} {CVE-2018-3646}
- locking/static_keys: Add static_key_{en,dis}able() helpers (Peter Zijlstra) [Orabug: 28220674] {CVE-2018-3620}
- x86/KVM: Warn user if KVM is loaded SMT and L1TF CPU bug being present (Konrad Rzeszutek Wilk) [Orabug: 28220674] {CVE-2018-3646}
- KVM: x86: Introducing kvm_x86_ops VM init/destroy hooks (Suravee Suthikulpanit) [Orabug: 28220674] {CVE-2018-3646}
- cpu/hotplug: Boot HT siblings at least once (Thomas Gleixner) [Orabug: 28220674] {CVE-2018-3620}
- Revert 'x86/apic: Ignore secondary threads if nosmt=force' (Thomas Gleixner) [Orabug: 28220674] {CVE-2018-3620}
- x86/speculation/l1tf: Fix up pte->pfn conversion for PAE (Michal Hocko) [Orabug: 28220674] {CVE-2018-3620}
- x86/speculation/l1tf: Protect PAE swap entries against L1TF (Vlastimil Babka) [Orabug: 28220674] {CVE-2018-3620}
- x86/CPU/AMD: Move TOPOEXT reenablement before reading smp_num_siblings (Borislav Petkov) [Orabug: 28220674] {CVE-2018-3620}
- x86/cpufeatures: Add detection of L1D cache flush support. (Konrad Rzeszutek Wilk) [Orabug: 28220674] {CVE-2018-3620}
- x86/speculation/l1tf: Extend 64bit swap file size limit (Vlastimil Babka) [Orabug: 28220674] {CVE-2018-3620}
- x86/apic: Ignore secondary threads if nosmt=force (Thomas Gleixner) [Orabug: 28220674] {CVE-2018-3620}
- x86/cpu/AMD: Evaluate smp_num_siblings early (Thomas Gleixner) [Orabug: 28220674] {CVE-2018-3620}
- x86/CPU/AMD: Do not check CPUID max ext level before parsing SMP info (Borislav Petkov) [Orabug: 28220674] {CVE-2018-3620}
- x86/cpu/intel: Evaluate smp_num_siblings early (Thomas Gleixner) [Orabug: 28220674] {CVE-2018-3620}
- x86/cpu/topology: Provide detect_extended_topology_early() (Thomas Gleixner) [Orabug: 28220674] {CVE-2018-3620}
- x86/cpu/common: Provide detect_ht_early() (Thomas Gleixner) [Orabug: 28220674] {CVE-2018-3620}
- x86/cpu/AMD: Remove the pointless detect_ht() call (Thomas Gleixner) [Orabug: 28220674] {CVE-2018-3620}
- x86/cpu: Remove the pointless CPU printout (Thomas Gleixner) [Orabug: 28220674] {CVE-2018-3620}
- cpu/hotplug: Provide knobs to control SMT (Thomas Gleixner) [Orabug: 28220674] {CVE-2018-3620}
- x86/topology: Add topology_max_smt_threads() (Andi Kleen) [Orabug: 28220674] {CVE-2018-3620}
- cpu/hotplug: Split do_cpu_down() (Thomas Gleixner) [Orabug: 28220674] {CVE-2018-3620}
- x86/topology: Provide topology_smt_supported() (Thomas Gleixner) [Orabug: 28220674] {CVE-2018-3620}
- x86/smp: Provide topology_is_primary_thread() (Thomas Gleixner) [Orabug: 28220674] {CVE-2018-3620}
- x86/bugs: Move the l1tf function and define pr_fmt properly (Konrad Rzeszutek Wilk) [Orabug: 28220674] {CVE-2018-3620}
- x86/speculation/l1tf: Limit swap file size to MAX_PA/2 (Andi Klein) [Orabug: 28220674] {CVE-2018-3620}
- x86/speculation/l1tf: Disallow non privileged high MMIO PROT_NONE mappings (Andi Klein) [Orabug: 28220674] {CVE-2018-3620}
- x86/speculation/l1tf: Add sysfs reporting for l1tf (Andi Klein) [Orabug: 28220674] {CVE-2018-3620}
- x86/speculation/l1tf: Make sure the first page is always reserved (Andi Klein) [Orabug: 28220674] {CVE-2018-3620}
- x86/speculation/l1tf: Protect PROT_NONE PTEs against speculation (Andi Klein) [Orabug: 28220674] {CVE-2018-3620}
- x86/speculation/l1tf: Protect swap entries against L1TF (Linus Torvalds) [Orabug: 28220674] {CVE-2018-3620}
- x86/speculation/l1tf: Change order of offset/type in swap entry (Linus Torvalds) [Orabug: 28220674] {CVE-2018-3620}
- x86/speculation/l1tf: Increase 32bit PAE __PHYSICAL_PAGE_SHIFT (Andi Klein) [Orabug: 28220674] {CVE-2018-3620}
- x86/mm: Limit mmap() of /dev/mem to valid physical addresses (Craig Bergstrom) [Orabug: 28220674] {CVE-2018-3620}
- x86/mm: Prevent non-MAP_FIXED mapping across DEFAULT_MAP_WINDOW border (Kirill A. Shutemov) [Orabug: 28220674] {CVE-2018-3620}

[4.1.12-124.18.1]
- x86/speculation: Support per-process SSBD with IBRS (Alexandre Chartre) [Orabug: 28354043]
- Revert 'xen-swiotlb: fix the check condition for xen_swiotlb_free_coherent' (Dongli Zhang) [Orabug: 28441054]

[4.1.12-124.17.4]
- x86/speculation: Implement per-cpu IBRS control (Alexandre Chartre) [Orabug: 28064081]
- IB/mad: Use ID allocator routines to allocate agent number (Hans Westgaard Ry) [Orabug: 28339815]
- x86/mcheck: Reorganize the hotplug callbacks (Sebastian Andrzej Siewior) [Orabug: 28387566]

[4.1.12-124.17.3]
- rtnetlink: fix rtnl_vfinfo_size (Sabrina Dubroca) [Orabug: 27998927]
- rds: IB: avoid migration to port that is down (Zhu Yanjun) [Orabug: 28097129]
- net/rds: Fix kernel panic caused by a race between setup/teardown (Hans Westgaard Ry) [Orabug: 28326553]
- rds: IB: fix returned value not set error (Zhu Yanjun) [Orabug: 28356474]


Related CVEs


CVE-2018-3646
CVE-2018-5391
CVE-2017-18344
CVE-2018-3620

Updated Packages


Release/ArchitectureFilenameMD5sumSuperseded By Advisory
Oracle VM 3.4 (x86_64) kernel-uek-4.1.12-124.18.5.el6uek.src.rpm5a0c1f422e0bf0edc1e50ae0e32ef7a1OVMSA-2020-0044
kernel-uek-4.1.12-124.18.5.el6uek.x86_64.rpme6ab77d26d6e9e240764085e7f18eb6aOVMSA-2020-0044
kernel-uek-firmware-4.1.12-124.18.5.el6uek.noarch.rpmc4fd5d11045e8157b65b75753d28f48cOVMSA-2020-0044



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