# changelog

author: Rado Vrbovsky <rvrbovsk@redhat.com> [3.10.0-862.6.1.el7]
changelog:
  - [x86] microcode: Load microcode on all cpus (Prarit Bhargava) [1578047 1568249]
  - [x86] microcode: Fix CPU synchronization routine (Prarit Bhargava) [1578047 1568249]
  - [x86] microcode: Attempt late loading only when new microcode is present (Prarit Bhargava) [1578047 1568249]
  - [x86] microcode: Synchronize late microcode loading (Prarit Bhargava) [1578047 1568249]
  - [x86] microcode: Request microcode on the BSP (Prarit Bhargava) [1578047 1568249]
  - [x86] microcode: Do not upload microcode if CPUs are offline (Prarit Bhargava) [1578047 1568249]
  - [x86] microcode/intel: Writeback and invalidate caches before updating microcode (Prarit Bhargava) [1578047 1568249]
  - [x86] microcode/intel: Check microcode revision before updating sibling threads (Prarit Bhargava) [1578047 1568249]
  - [x86] microcode: Get rid of struct apply_microcode_ctx (Prarit Bhargava) [1578047 1568249]
  - [x86] cpu: Add a microcode loader callback (Prarit Bhargava) [1578047 1568249]
  - [x86] microcode: Propagate return value from updating functions (Prarit Bhargava) [1578047 1568249]
  - [x86] microcode/amd: Change load_microcode_amd()'s param to bool to fix preemptibility bug (Prarit Bhargava) [1578047 1568249]
  - [x86] microcode/intel: Add a helper which gives the microcode revision (Prarit Bhargava) [1578047 1568249]
  - [x86] cpu: Add native CPUID variants returning a single datum (Prarit Bhargava) [1578047 1568249]
  - [x86] microcode/amd: Move private inlines to .c and mark local functions static (Prarit Bhargava) [1578047 1568249]
  - [x86] microcode/intel: Simplify generic_load_microcode() (Prarit Bhargava) [1578047 1568249]
  - [x86] microcode/intel: Do not issue microcode updates messages on each CPU (Prarit Bhargava) [1578047 1568249]
  - [kernel] pidns: Don't have unshare(CLONE_NEWPID) imply CLONE_THREAD (Oleg Nesterov) [1578997 1577745]
  - [powerpc] 64s: Add support for a store forwarding barrier at kernel entry/exit (Mauricio Oliveira) [1581045 1581036] {CVE-2018-3639}
  - [powerpc] 64s: Move the data access exception out-of-line (Mauricio Oliveira) [1581045 1581036] {CVE-2018-3639}


author: Rado Vrbovsky <rvrbovsk@redhat.com> [3.10.0-862.6.2.el7]
changelog:
  - [x86] spec_ctrl: Eliminate TIF_SSBD checks in IBRS on/off functions (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] spec_ctrl: Disable SSBD update from scheduler if not user settable (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] spec_ctrl: Make ssbd_enabled writtable (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] spec_ctrl: Remove thread_info check in __wrmsr_on_cpu() (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] spec_ctrl: Write per-thread SSBD state to spec_ctrl_pcp (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] spec_ctrl: Add a read-only ssbd_enabled debugfs file (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] bugs/intel: Set proper CPU features and setup RDS (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] kvm: vmx: Emulate MSR_IA32_ARCH_CAPABILITIES (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] kvm: svm: Implement VIRT_SPEC_CTRL support for SSBD (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] speculation, KVM: Implement support for VIRT_SPEC_CTRL/LS_CFG (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] bugs: Rework spec_ctrl base and mask logic (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] spec_ctrl: Rework SPEC_CTRL update after late microcode loading (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] spec_ctrl: Make sync_all_cpus_ibrs() write spec_ctrl_pcp value (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] bugs: Unify x86_spec_ctrl_{set_guest, restore_host} (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] speculation: Rework speculative_store_bypass_update() (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] speculation: Add virtualized speculative store bypass disable support (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] bugs, KVM: Extend speculation control for VIRT_SPEC_CTRL (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] KVM: Rename KVM SPEC_CTRL MSR functions to match upstream (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] speculation: Handle HT correctly on AMD (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] cpufeatures: Add FEATURE_ZEN (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] cpufeatures: Disentangle SSBD enumeration (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] cpufeatures: Disentangle MSR_SPEC_CTRL enumeration from IBRS (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] speculation: Use synthetic bits for IBRS/IBPB/STIBP (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [documentation] spec_ctrl: Do some minor cleanups (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] speculation: Make "seccomp" the default mode for Speculative Store Bypass (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] seccomp: Move speculation migitation control to arch code (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [kernel] seccomp: Add filter flag to opt-out of SSB mitigation (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [kernel] seccomp: Use PR_SPEC_FORCE_DISABLE (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] prctl: Add force disable speculation (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] spectre_v2: No mitigation if CPU not affected and no command override (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] pti: Do not enable PTI on CPUs which are not vulnerable to Meltdown (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] bug: Add X86_BUG_CPU_MELTDOWN and X86_BUG_SPECTRE_V[12] (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] pti: Rename CONFIG_KAISER to CONFIG_PAGE_TABLE_ISOLATION (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] spec_ctrl: Sync up naming of SPEC_CTRL MSR bits with upstream (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] spec_ctrl: Sync up SSBD changes with upstream (Waiman Long) [1584323 1584569] {CVE-2018-3639}


author: Rado Vrbovsky <rvrbovsk@redhat.com> [3.10.0-862.6.3.el7]
changelog:
  - [x86] always enable eager FPU by default on non-AMD processors (Paolo Bonzini) [1589051 1589048] {CVE-2018-3665}
  - [x86] bugs: Switch the selection of mitigation from CPU vendor to CPU features (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] bugs: Add AMD's SPEC_CTRL MSR usage (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] bugs: Add AMD's variant of SSB_NO (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] spec_ctrl: Fix VM guest SSBD problems (Waiman Long) [1584323 1584569] {CVE-2018-3639}


author: Rado Vrbovsky <rvrbovsk@redhat.com> [3.10.0-862.8.1.el7]
changelog:
  - [x86] always enable eager FPU by default on non-AMD processors (Paolo Bonzini) [1589051 1589048] {CVE-2018-3665}
  - [net] nf_reset: also clear nfctinfo bits (Florian Westphal) [1588458 1572983]
  - [x86] bugs: Switch the selection of mitigation from CPU vendor to CPU features (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] bugs: Add AMD's SPEC_CTRL MSR usage (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] bugs: Add AMD's variant of SSB_NO (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] spec_ctrl: Fix VM guest SSBD problems (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] spec_ctrl: Eliminate TIF_SSBD checks in IBRS on/off functions (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] spec_ctrl: Disable SSBD update from scheduler if not user settable (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] spec_ctrl: Make ssbd_enabled writtable (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] spec_ctrl: Remove thread_info check in __wrmsr_on_cpu() (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] spec_ctrl: Write per-thread SSBD state to spec_ctrl_pcp (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] spec_ctrl: Add a read-only ssbd_enabled debugfs file (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] bugs/intel: Set proper CPU features and setup RDS (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] kvm: vmx: Emulate MSR_IA32_ARCH_CAPABILITIES (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] kvm: svm: Implement VIRT_SPEC_CTRL support for SSBD (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] speculation, KVM: Implement support for VIRT_SPEC_CTRL/LS_CFG (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] bugs: Rework spec_ctrl base and mask logic (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] spec_ctrl: Rework SPEC_CTRL update after late microcode loading (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] spec_ctrl: Make sync_all_cpus_ibrs() write spec_ctrl_pcp value (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] bugs: Unify x86_spec_ctrl_{set_guest, restore_host} (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] speculation: Rework speculative_store_bypass_update() (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] speculation: Add virtualized speculative store bypass disable support (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] bugs, KVM: Extend speculation control for VIRT_SPEC_CTRL (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] KVM: Rename KVM SPEC_CTRL MSR functions to match upstream (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] speculation: Handle HT correctly on AMD (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] cpufeatures: Add FEATURE_ZEN (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] cpufeatures: Disentangle SSBD enumeration (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] cpufeatures: Disentangle MSR_SPEC_CTRL enumeration from IBRS (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] speculation: Use synthetic bits for IBRS/IBPB/STIBP (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [documentation] spec_ctrl: Do some minor cleanups (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] speculation: Make "seccomp" the default mode for Speculative Store Bypass (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] seccomp: Move speculation migitation control to arch code (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [kernel] seccomp: Add filter flag to opt-out of SSB mitigation (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [kernel] seccomp: Use PR_SPEC_FORCE_DISABLE (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] prctl: Add force disable speculation (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] spectre_v2: No mitigation if CPU not affected and no command override (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] pti: Do not enable PTI on CPUs which are not vulnerable to Meltdown (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] bug: Add X86_BUG_CPU_MELTDOWN and X86_BUG_SPECTRE_V[12] (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] pti: Rename CONFIG_KAISER to CONFIG_PAGE_TABLE_ISOLATION (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] spec_ctrl: Sync up naming of SPEC_CTRL MSR bits with upstream (Waiman Long) [1584323 1584569] {CVE-2018-3639}
  - [x86] spec_ctrl: Sync up SSBD changes with upstream (Waiman Long) [1584323 1584569] {CVE-2018-3639}


