X-Git-Url: https://jxself.org/git/?a=blobdiff_plain;f=kconfig-hardened-check.py;h=97cb91357c688f8d374f4835adce693739aee564;hb=46ad86dcb6422a032f5389464cf2322628c627b7;hp=d76a5fa1c3b1ad6eb7a58bc400eea07a9fb493dd;hpb=dd40ca5ca2460051eeb61f9f36bc12e4d9b0c375;p=kconfig-hardened-check.git diff --git a/kconfig-hardened-check.py b/kconfig-hardened-check.py index d76a5fa..97cb913 100755 --- a/kconfig-hardened-check.py +++ b/kconfig-hardened-check.py @@ -28,7 +28,6 @@ # l1tf=full,force # mds=full,nosmt # ARM64: -# ? CONFIG_HARDEN_BRANCH_PREDICTOR # kpti=on # ssbd=force-on # @@ -169,8 +168,8 @@ def detect_arch(fname): def construct_checklist(checklist, arch): - modules_not_set = OptCheck('MODULES', 'is not set', 'kspp', 'cut_attack_surface') - devmem_not_set = OptCheck('DEVMEM', 'is not set', 'kspp', 'cut_attack_surface') # refers to LOCK_DOWN_KERNEL + modules_not_set = OptCheck('MODULES', 'is not set', 'kspp', 'cut_attack_surface') + devmem_not_set = OptCheck('DEVMEM', 'is not set', 'kspp', 'cut_attack_surface') # refers to LOCK_DOWN_KERNEL checklist.append(OptCheck('BUG', 'y', 'defconfig', 'self_protection')) checklist.append(OR(OptCheck('STRICT_KERNEL_RWX', 'y', 'defconfig', 'self_protection'), \ @@ -182,8 +181,8 @@ def construct_checklist(checklist, arch): OptCheck('DEBUG_SET_MODULE_RONX', 'y', 'defconfig', 'self_protection'), \ modules_not_set)) # DEBUG_SET_MODULE_RONX was before v4.11 if debug_mode or arch == 'X86_64': - checklist.append(OptCheck('PAGE_TABLE_ISOLATION', 'y', 'defconfig', 'self_protection')) - checklist.append(OptCheck('RANDOMIZE_MEMORY', 'y', 'defconfig', 'self_protection')) + checklist.append(OptCheck('PAGE_TABLE_ISOLATION', 'y', 'defconfig', 'self_protection')) + checklist.append(OptCheck('RANDOMIZE_MEMORY', 'y', 'defconfig', 'self_protection')) if debug_mode or arch == 'X86_64' or arch == 'X86_32': checklist.append(OptCheck('RANDOMIZE_BASE', 'y', 'defconfig', 'self_protection')) checklist.append(OptCheck('RETPOLINE', 'y', 'defconfig', 'self_protection')) @@ -192,6 +191,8 @@ def construct_checklist(checklist, arch): checklist.append(OptCheck('SYN_COOKIES', 'y', 'defconfig', 'self_protection')) # another reason? if debug_mode or arch == 'ARM64': checklist.append(OptCheck('UNMAP_KERNEL_AT_EL0', 'y', 'defconfig', 'self_protection')) + checklist.append(OptCheck('HARDEN_EL2_VECTORS', 'y', 'defconfig', 'self_protection')) + checklist.append(OptCheck('RODATA_FULL_DEFAULT_ENABLED', 'y', 'defconfig', 'self_protection')) if debug_mode or arch == 'X86_64' or arch == 'ARM64': checklist.append(OptCheck('VMAP_STACK', 'y', 'defconfig', 'self_protection')) if debug_mode or arch == 'X86_64' or arch == 'ARM64' or arch == 'X86_32': @@ -201,6 +202,7 @@ def construct_checklist(checklist, arch): checklist.append(OptCheck('CPU_SW_DOMAIN_PAN', 'y', 'defconfig', 'self_protection')) if debug_mode or arch == 'ARM64' or arch == 'ARM': checklist.append(OptCheck('REFCOUNT_FULL', 'y', 'defconfig', 'self_protection')) + checklist.append(OptCheck('HARDEN_BRANCH_PREDICTOR', 'y', 'defconfig', 'self_protection')) checklist.append(OptCheck('BUG_ON_DATA_CORRUPTION', 'y', 'kspp', 'self_protection')) checklist.append(OptCheck('DEBUG_WX', 'y', 'kspp', 'self_protection')) @@ -232,68 +234,72 @@ def construct_checklist(checklist, arch): checklist.append(OR(OptCheck('MODULE_SIG_FORCE', 'y', 'kspp', 'self_protection'), \ modules_not_set)) # refers to LOCK_DOWN_KERNEL if debug_mode or arch == 'X86_64' or arch == 'X86_32': - checklist.append(OptCheck('DEFAULT_MMAP_MIN_ADDR', '65536', 'kspp', 'self_protection')) - checklist.append(OptCheck('REFCOUNT_FULL', 'y', 'kspp', 'self_protection')) + checklist.append(OptCheck('DEFAULT_MMAP_MIN_ADDR', '65536', 'kspp', 'self_protection')) + checklist.append(OptCheck('REFCOUNT_FULL', 'y', 'kspp', 'self_protection')) if debug_mode or arch == 'X86_32': - checklist.append(OptCheck('HIGHMEM64G', 'y', 'kspp', 'self_protection')) - checklist.append(OptCheck('X86_PAE', 'y', 'kspp', 'self_protection')) + checklist.append(OptCheck('HIGHMEM64G', 'y', 'kspp', 'self_protection')) + checklist.append(OptCheck('X86_PAE', 'y', 'kspp', 'self_protection')) if debug_mode or arch == 'ARM64': - checklist.append(OptCheck('ARM64_SW_TTBR0_PAN', 'y', 'kspp', 'self_protection')) - checklist.append(OptCheck('RANDOMIZE_BASE', 'y', 'kspp', 'self_protection')) + checklist.append(OptCheck('ARM64_SW_TTBR0_PAN', 'y', 'kspp', 'self_protection')) + checklist.append(OptCheck('RANDOMIZE_BASE', 'y', 'kspp', 'self_protection')) if debug_mode or arch == 'ARM64' or arch == 'ARM': - checklist.append(OptCheck('SYN_COOKIES', 'y', 'kspp', 'self_protection')) # another reason? - checklist.append(OptCheck('DEFAULT_MMAP_MIN_ADDR', '32768', 'kspp', 'self_protection')) + checklist.append(OptCheck('SYN_COOKIES', 'y', 'kspp', 'self_protection')) # another reason? + checklist.append(OptCheck('DEFAULT_MMAP_MIN_ADDR', '32768', 'kspp', 'self_protection')) - checklist.append(OptCheck('LOCK_DOWN_KERNEL', 'y', 'clipos', 'self_protection')) # remember about LOCK_DOWN_MANDATORY - checklist.append(OptCheck('SECURITY_DMESG_RESTRICT', 'y', 'clipos', 'self_protection')) - checklist.append(OptCheck('DEBUG_VIRTUAL', 'y', 'clipos', 'self_protection')) - checklist.append(OptCheck('STATIC_USERMODEHELPER', 'y', 'clipos', 'self_protection')) # needs userspace support (systemd) + checklist.append(OptCheck('SECURITY_DMESG_RESTRICT', 'y', 'clipos', 'self_protection')) + checklist.append(OptCheck('DEBUG_VIRTUAL', 'y', 'clipos', 'self_protection')) + checklist.append(OptCheck('STATIC_USERMODEHELPER', 'y', 'clipos', 'self_protection')) # needs userspace support (systemd) checklist.append(OptCheck('SLAB_MERGE_DEFAULT', 'is not set', 'clipos', 'self_protection')) # slab_nomerge checklist.append(AND(OptCheck('GCC_PLUGIN_RANDSTRUCT_PERFORMANCE', 'is not set', 'clipos', 'self_protection'), \ randstruct_is_set)) if debug_mode or arch == 'X86_64' or arch == 'ARM64' or arch == 'X86_32': - stackleak_is_set = OptCheck('GCC_PLUGIN_STACKLEAK', 'y', 'clipos', 'self_protection') + stackleak_is_set = OptCheck('GCC_PLUGIN_STACKLEAK', 'y', 'clipos', 'self_protection') checklist.append(stackleak_is_set) - checklist.append(AND(OptCheck('STACKLEAK_METRICS', 'is not set', 'clipos', 'self_protection'), \ + checklist.append(AND(OptCheck('STACKLEAK_METRICS', 'is not set', 'clipos', 'self_protection'), \ stackleak_is_set)) - checklist.append(AND(OptCheck('STACKLEAK_RUNTIME_DISABLE','is not set', 'clipos', 'self_protection'), \ + checklist.append(AND(OptCheck('STACKLEAK_RUNTIME_DISABLE', 'is not set', 'clipos', 'self_protection'), \ stackleak_is_set)) if debug_mode or arch == 'X86_64' or arch == 'X86_32': - checklist.append(OptCheck('RANDOM_TRUST_CPU', 'is not set', 'clipos', 'self_protection')) - checklist.append(OptCheck('MICROCODE', 'y', 'clipos', 'self_protection')) # is needed for mitigating CPU bugs - iommu_support_is_set = OptCheck('IOMMU_SUPPORT', 'y', 'clipos', 'self_protection') # is needed for mitigating DMA attacks + checklist.append(OptCheck('RANDOM_TRUST_CPU', 'is not set', 'clipos', 'self_protection')) + checklist.append(OptCheck('MICROCODE', 'y', 'clipos', 'self_protection')) # is needed for mitigating CPU bugs + iommu_support_is_set = OptCheck('IOMMU_SUPPORT', 'y', 'clipos', 'self_protection') # is needed for mitigating DMA attacks checklist.append(iommu_support_is_set) - checklist.append(AND(OptCheck('INTEL_IOMMU', 'y', 'clipos', 'self_protection'), \ + checklist.append(AND(OptCheck('INTEL_IOMMU', 'y', 'clipos', 'self_protection'), \ iommu_support_is_set)) - checklist.append(AND(OptCheck('INTEL_IOMMU_SVM', 'y', 'clipos', 'self_protection'), \ + checklist.append(AND(OptCheck('INTEL_IOMMU_SVM', 'y', 'clipos', 'self_protection'), \ iommu_support_is_set)) - checklist.append(AND(OptCheck('INTEL_IOMMU_DEFAULT_ON', 'y', 'clipos', 'self_protection'), \ + checklist.append(AND(OptCheck('INTEL_IOMMU_DEFAULT_ON', 'y', 'clipos', 'self_protection'), \ iommu_support_is_set)) checklist.append(OR(OptCheck('INIT_STACK_ALL', 'y', 'my', 'self_protection'), \ OptCheck('GCC_PLUGIN_STRUCTLEAK_BYREF_ALL', 'y', 'kspp', 'self_protection'))) + checklist.append(OptCheck('SLUB_DEBUG_ON', 'y', 'my', 'self_protection')) + checklist.append(OptCheck('INIT_ON_ALLOC_DEFAULT_ON', 'y', 'my', 'self_protection')) + checklist.append(OptCheck('INIT_ON_FREE_DEFAULT_ON', 'y', 'my', 'self_protection')) + checklist.append(OptCheck('RESET_ATTACK_MITIGATION', 'y', 'my', 'self_protection')) # needs userspace support (systemd) + checklist.append(AND(OptCheck('PAGE_POISONING_NO_SANITY', 'is not set', 'my', 'self_protection'), \ + page_poisoning_is_set)) + checklist.append(AND(OptCheck('PAGE_POISONING_ZERO', 'is not set', 'my', 'self_protection'), \ + page_poisoning_is_set)) if debug_mode or arch == 'X86_64': - checklist.append(AND(OptCheck('AMD_IOMMU', 'y', 'my', 'self_protection'), \ + checklist.append(AND(OptCheck('AMD_IOMMU', 'y', 'my', 'self_protection'), \ iommu_support_is_set)) - checklist.append(AND(OptCheck('AMD_IOMMU_V2', 'y', 'my', 'self_protection'), \ + checklist.append(AND(OptCheck('AMD_IOMMU_V2', 'y', 'my', 'self_protection'), \ iommu_support_is_set)) - checklist.append(OptCheck('SLUB_DEBUG_ON', 'y', 'my', 'self_protection')) - checklist.append(OptCheck('SECURITY_LOADPIN', 'y', 'my', 'self_protection')) # needs userspace support - checklist.append(OptCheck('RESET_ATTACK_MITIGATION', 'y', 'my', 'self_protection')) # needs userspace support (systemd) - checklist.append(AND(OptCheck('PAGE_POISONING_NO_SANITY', 'is not set', 'my', 'self_protection'), \ - page_poisoning_is_set)) - checklist.append(AND(OptCheck('PAGE_POISONING_ZERO', 'is not set', 'my', 'self_protection'), \ - page_poisoning_is_set)) if debug_mode or arch == 'X86_32': - checklist.append(OptCheck('PAGE_TABLE_ISOLATION', 'y', 'my', 'self_protection')) + checklist.append(OptCheck('PAGE_TABLE_ISOLATION', 'y', 'my', 'self_protection')) if debug_mode or arch == 'ARM': - checklist.append(OptCheck('STACKPROTECTOR_PER_TASK', 'y', 'my', 'self_protection')) + checklist.append(OptCheck('STACKPROTECTOR_PER_TASK', 'y', 'my', 'self_protection')) if debug_mode or arch == 'X86_64' or arch == 'ARM64' or arch == 'X86_32': - checklist.append(OptCheck('SECURITY', 'y', 'defconfig', 'security_policy')) # and choose your favourite LSM + checklist.append(OptCheck('SECURITY', 'y', 'defconfig', 'security_policy')) # and choose your favourite LSM if debug_mode or arch == 'ARM': - checklist.append(OptCheck('SECURITY', 'y', 'kspp', 'security_policy')) # and choose your favourite LSM - checklist.append(OptCheck('SECURITY_YAMA', 'y', 'kspp', 'security_policy')) + checklist.append(OptCheck('SECURITY', 'y', 'kspp', 'security_policy')) # and choose your favourite LSM + checklist.append(OptCheck('SECURITY_YAMA', 'y', 'kspp', 'security_policy')) + checklist.append(OptCheck('SECURITY_LOADPIN', 'y', 'my', 'security_policy')) # needs userspace support + checklist.append(OptCheck('SECURITY_LOCKDOWN_LSM', 'y', 'my', 'security_policy')) + checklist.append(OptCheck('SECURITY_LOCKDOWN_LSM_EARLY', 'y', 'my', 'security_policy')) + checklist.append(OptCheck('LOCK_DOWN_KERNEL_FORCE_CONFIDENTIALITY', 'y', 'my', 'security_policy')) checklist.append(OptCheck('SECCOMP', 'y', 'defconfig', 'cut_attack_surface')) checklist.append(OptCheck('SECCOMP_FILTER', 'y', 'defconfig', 'cut_attack_surface')) @@ -306,7 +312,7 @@ def construct_checklist(checklist, arch): checklist.append(OR(OptCheck('IO_STRICT_DEVMEM', 'y', 'kspp', 'cut_attack_surface'), \ devmem_not_set)) # refers to LOCK_DOWN_KERNEL if debug_mode or arch == 'ARM': - checklist.append(OR(OptCheck('STRICT_DEVMEM', 'y', 'kspp', 'cut_attack_surface'), \ + checklist.append(OR(OptCheck('STRICT_DEVMEM', 'y', 'kspp', 'cut_attack_surface'), \ devmem_not_set)) # refers to LOCK_DOWN_KERNEL checklist.append(OptCheck('ACPI_CUSTOM_METHOD', 'is not set', 'kspp', 'cut_attack_surface')) # refers to LOCK_DOWN_KERNEL checklist.append(OptCheck('COMPAT_BRK', 'is not set', 'kspp', 'cut_attack_surface')) @@ -367,7 +373,7 @@ def construct_checklist(checklist, arch): checklist.append(OptCheck('FTRACE', 'is not set', 'my', 'cut_attack_surface')) checklist.append(OptCheck('BPF_JIT', 'is not set', 'my', 'cut_attack_surface')) if debug_mode or arch == 'X86_32': - checklist.append(OptCheck('MODIFY_LDT_SYSCALL', 'is not set', 'my', 'cut_attack_surface')) + checklist.append(OptCheck('MODIFY_LDT_SYSCALL', 'is not set', 'my', 'cut_attack_surface')) if debug_mode or arch == 'ARM64': checklist.append(OptCheck('ARM64_PTR_AUTH', 'y', 'defconfig', 'userspace_protection'))