X-Git-Url: https://jxself.org/git/?a=blobdiff_plain;f=kconfig-hardened-check.py;h=2c14fd0d206f09576122459454b0b54383220d7a;hb=796a22935ab5cd3ddcf19c4ea85411d9bf04fef6;hp=ac9ee3ac2ebf27e86b48453303222ae16f90cd49;hpb=39077d8196218060594a28a49ec497925ef5c371;p=kconfig-hardened-check.git diff --git a/kconfig-hardened-check.py b/kconfig-hardened-check.py index ac9ee3a..2c14fd0 100755 --- a/kconfig-hardened-check.py +++ b/kconfig-hardened-check.py @@ -15,6 +15,7 @@ # slab_nomerge # pti=on # kernel.kptr_restrict=1 +# lockdown=1 import sys from argparse import ArgumentParser @@ -97,7 +98,7 @@ class OR: def construct_checklist(): modules_not_set = OptCheck('MODULES', 'is not set', 'kspp', 'cut_attack_surface') - devmem_not_set = OptCheck('DEVMEM', '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', 'ubuntu18', 'self_protection')) checklist.append(OptCheck('PAGE_TABLE_ISOLATION', 'y', 'ubuntu18', 'self_protection')) @@ -118,6 +119,7 @@ def construct_checklist(): checklist.append(OptCheck('SLAB_FREELIST_RANDOM', 'y', 'ubuntu18', 'self_protection')) checklist.append(OptCheck('HARDENED_USERCOPY', 'y', 'ubuntu18', 'self_protection')) checklist.append(OptCheck('FORTIFY_SOURCE', 'y', 'ubuntu18', 'self_protection')) + checklist.append(OptCheck('LOCK_DOWN_KERNEL', 'y', 'ubuntu18', 'self_protection')) # remember about LOCK_DOWN_MANDATORY checklist.append(OR(OptCheck('STRICT_MODULE_RWX', 'y', 'ubuntu18', 'self_protection'), \ OptCheck('DEBUG_SET_MODULE_RONX', 'y', 'before_v4.11', 'self_protection'), \ modules_not_set)) @@ -142,7 +144,7 @@ def construct_checklist(): checklist.append(OptCheck('DEBUG_SG', 'y', 'kspp', 'self_protection')) checklist.append(OptCheck('DEBUG_CREDENTIALS', 'y', 'kspp', 'self_protection')) checklist.append(OptCheck('DEBUG_NOTIFIERS', 'y', 'kspp', 'self_protection')) - checklist.append(OptCheck('MODULE_SIG_FORCE', 'y', 'kspp', 'self_protection')) + checklist.append(OptCheck('MODULE_SIG_FORCE', 'y', 'kspp', 'self_protection')) # refers to LOCK_DOWN_KERNEL checklist.append(OptCheck('HARDENED_USERCOPY_FALLBACK', 'is not set', 'kspp', 'self_protection')) checklist.append(OptCheck('GCC_PLUGIN_STACKLEAK', 'y', 'my', 'self_protection')) @@ -159,8 +161,8 @@ def construct_checklist(): checklist.append(OptCheck('SECCOMP', 'y', 'ubuntu18', 'cut_attack_surface')) checklist.append(OptCheck('SECCOMP_FILTER', 'y', 'ubuntu18', 'cut_attack_surface')) checklist.append(OR(OptCheck('STRICT_DEVMEM', 'y', 'ubuntu18', 'cut_attack_surface'), \ - devmem_not_set)) - checklist.append(OptCheck('ACPI_CUSTOM_METHOD', 'is not set', 'ubuntu18', 'cut_attack_surface')) + devmem_not_set)) # refers to LOCK_DOWN_KERNEL + checklist.append(OptCheck('ACPI_CUSTOM_METHOD', 'is not set', 'ubuntu18', 'cut_attack_surface')) # refers to LOCK_DOWN_KERNEL checklist.append(OptCheck('COMPAT_BRK', 'is not set', 'ubuntu18', 'cut_attack_surface')) checklist.append(OptCheck('DEVKMEM', 'is not set', 'ubuntu18', 'cut_attack_surface')) checklist.append(OptCheck('COMPAT_VDSO', 'is not set', 'ubuntu18', 'cut_attack_surface')) @@ -169,21 +171,22 @@ def construct_checklist(): checklist.append(OptCheck('PAGE_OWNER', 'is not set', 'ubuntu18', 'cut_attack_surface')) checklist.append(OptCheck('DEBUG_KMEMLEAK', 'is not set', 'ubuntu18', 'cut_attack_surface')) checklist.append(OptCheck('BINFMT_AOUT', 'is not set', 'ubuntu18', 'cut_attack_surface')) + checklist.append(OptCheck('MMIOTRACE_TEST', 'is not set', 'ubuntu18', 'cut_attack_surface')) # refers to LOCK_DOWN_KERNEL checklist.append(OR(OptCheck('IO_STRICT_DEVMEM', 'y', 'kspp', 'cut_attack_surface'), \ - devmem_not_set)) + devmem_not_set)) # refers to LOCK_DOWN_KERNEL checklist.append(OptCheck('LEGACY_VSYSCALL_NONE', 'y', 'kspp', 'cut_attack_surface')) # 'vsyscall=none' checklist.append(OptCheck('BINFMT_MISC', 'is not set', 'kspp', 'cut_attack_surface')) checklist.append(OptCheck('INET_DIAG', 'is not set', 'kspp', 'cut_attack_surface')) - checklist.append(OptCheck('KEXEC', 'is not set', 'kspp', 'cut_attack_surface')) - checklist.append(OptCheck('PROC_KCORE', 'is not set', 'kspp', 'cut_attack_surface')) + checklist.append(OptCheck('KEXEC', 'is not set', 'kspp', 'cut_attack_surface')) # refers to LOCK_DOWN_KERNEL + checklist.append(OptCheck('PROC_KCORE', 'is not set', 'kspp', 'cut_attack_surface')) # refers to LOCK_DOWN_KERNEL checklist.append(OptCheck('LEGACY_PTYS', 'is not set', 'kspp', 'cut_attack_surface')) checklist.append(OptCheck('IA32_EMULATION', 'is not set', 'kspp', 'cut_attack_surface')) checklist.append(OptCheck('X86_X32', 'is not set', 'kspp', 'cut_attack_surface')) checklist.append(OptCheck('MODIFY_LDT_SYSCALL', 'is not set', 'kspp', 'cut_attack_surface')) - checklist.append(OptCheck('HIBERNATION', 'is not set', 'kspp', 'cut_attack_surface')) + checklist.append(OptCheck('HIBERNATION', 'is not set', 'kspp', 'cut_attack_surface')) # refers to LOCK_DOWN_KERNEL - checklist.append(OptCheck('KPROBES', 'is not set', 'grsecurity', 'cut_attack_surface')) + checklist.append(OptCheck('KPROBES', 'is not set', 'grsecurity', 'cut_attack_surface')) # refers to LOCK_DOWN_KERNEL checklist.append(OptCheck('UPROBES', 'is not set', 'grsecurity', 'cut_attack_surface')) checklist.append(OptCheck('GENERIC_TRACER', 'is not set', 'grsecurity', 'cut_attack_surface')) checklist.append(OptCheck('PROC_VMCORE', 'is not set', 'grsecurity', 'cut_attack_surface')) @@ -193,19 +196,23 @@ def construct_checklist(): checklist.append(OptCheck('USERFAULTFD', 'is not set', 'grsecurity', 'cut_attack_surface')) checklist.append(OptCheck('HWPOISON_INJECT', 'is not set', 'grsecurity', 'cut_attack_surface')) checklist.append(OptCheck('MEM_SOFT_DIRTY', 'is not set', 'grsecurity', 'cut_attack_surface')) - checklist.append(OptCheck('DEVPORT', 'is not set', 'grsecurity', 'cut_attack_surface')) - checklist.append(OptCheck('DEBUG_FS', 'is not set', 'grsecurity', 'cut_attack_surface')) + checklist.append(OptCheck('DEVPORT', 'is not set', 'grsecurity', 'cut_attack_surface')) # refers to LOCK_DOWN_KERNEL + checklist.append(OptCheck('DEBUG_FS', 'is not set', 'grsecurity', 'cut_attack_surface')) # refers to LOCK_DOWN_KERNEL checklist.append(OptCheck('NOTIFIER_ERROR_INJECTION','is not set', 'grsecurity', 'cut_attack_surface')) - checklist.append(OptCheck('KEXEC_FILE', 'is not set', 'my', 'cut_attack_surface')) + checklist.append(OptCheck('ACPI_TABLE_UPGRADE', 'is not set', 'lockdown', 'cut_attack_surface')) # refers to LOCK_DOWN_KERNEL + checklist.append(OptCheck('ACPI_APEI_EINJ', 'is not set', 'lockdown', 'cut_attack_surface')) # refers to LOCK_DOWN_KERNEL + checklist.append(OptCheck('PROFILING', 'is not set', 'lockdown', 'cut_attack_surface')) # refers to LOCK_DOWN_KERNEL + checklist.append(OptCheck('BPF_SYSCALL', 'is not set', 'lockdown', 'cut_attack_surface')) # refers to LOCK_DOWN_KERNEL + + checklist.append(OptCheck('MMIOTRACE', 'is not set', 'my', 'cut_attack_surface')) # refers to LOCK_DOWN_KERNEL (permissive) + checklist.append(OptCheck('KEXEC_FILE', 'is not set', 'my', 'cut_attack_surface')) # refers to LOCK_DOWN_KERNEL (permissive) checklist.append(OptCheck('LIVEPATCH', 'is not set', 'my', 'cut_attack_surface')) checklist.append(OptCheck('USER_NS', 'is not set', 'my', 'cut_attack_surface')) # user.max_user_namespaces=0 checklist.append(OptCheck('IP_DCCP', 'is not set', 'my', 'cut_attack_surface')) checklist.append(OptCheck('IP_SCTP', 'is not set', 'my', 'cut_attack_surface')) checklist.append(OptCheck('FTRACE', 'is not set', 'my', 'cut_attack_surface')) - checklist.append(OptCheck('PROFILING', 'is not set', 'my', 'cut_attack_surface')) checklist.append(OptCheck('BPF_JIT', 'is not set', 'my', 'cut_attack_surface')) - checklist.append(OptCheck('BPF_SYSCALL', 'is not set', 'my', 'cut_attack_surface')) checklist.append(OptCheck('ARCH_MMAP_RND_BITS', '32', 'my', 'userspace_protection')) @@ -216,10 +223,10 @@ def print_checklist(): print('[+] Printing kernel hardening preferences...') print(' {:<39}|{:^13}|{:^10}|{:^20}'.format( 'option name', 'desired val', 'decision', 'reason')) - print(' ' + '=' * 88) + print(' ' + '=' * 86) for opt in checklist: print(' CONFIG_{:<32}|{:^13}|{:^10}|{:^20}'.format( - opt.name, opt.expected, opt.decision, opt.reason)) + opt.name, opt.expected, opt.decision, opt.reason)) print()