X-Git-Url: https://jxself.org/git/?a=blobdiff_plain;f=kconfig_hardened_check%2Fchecks.py;h=e8e89b9898813c901add423ab0fb253ecde094d3;hb=a6732ba512e963eba7ab3f8af494508a49c92613;hp=d61473655357d8fb223dd07ed4999f5762061b34;hpb=20e0040299ede214143fe229ef8121d48c3f73b5;p=kconfig-hardened-check.git diff --git a/kconfig_hardened_check/checks.py b/kconfig_hardened_check/checks.py index d614736..e8e89b9 100644 --- a/kconfig_hardened_check/checks.py +++ b/kconfig_hardened_check/checks.py @@ -31,8 +31,9 @@ This module contains knowledge for checks. # fs.protected_regular=2 # fs.suid_dumpable=0 # kernel.modules_disabled=1 -# kernel.randomize_va_space = 2 +# kernel.randomize_va_space=2 # nosmt sysfs control file +# dev.tty.legacy_tiocsti=0 # # Think of these boot params: # module.sig_enforce=1 @@ -134,6 +135,7 @@ def add_kconfig_checks(l, arch): l += [KconfigCheck('self_protection', 'defconfig', 'CPU_SW_DOMAIN_PAN', 'y')] l += [KconfigCheck('self_protection', 'defconfig', 'HARDEN_BRANCH_PREDICTOR', 'y')] l += [KconfigCheck('self_protection', 'defconfig', 'HARDEN_BRANCH_HISTORY', 'y')] + l += [KconfigCheck('self_protection', 'defconfig', 'DEBUG_ALIGN_RODATA', 'y')] # 'self_protection', 'kspp' l += [KconfigCheck('self_protection', 'kspp', 'BUG_ON_DATA_CORRUPTION', 'y')] @@ -378,6 +380,7 @@ def add_kconfig_checks(l, arch): l += [bpf_syscall_not_set] # refers to LOCKDOWN # 'cut_attack_surface', 'my' + l += [KconfigCheck('cut_attack_surface', 'my', 'LEGACY_TIOCSTI', 'is not set')] l += [KconfigCheck('cut_attack_surface', 'my', 'MMIOTRACE', 'is not set')] # refers to LOCKDOWN (permissive) l += [KconfigCheck('cut_attack_surface', 'my', 'LIVEPATCH', 'is not set')] l += [KconfigCheck('cut_attack_surface', 'my', 'IP_DCCP', 'is not set')] @@ -387,14 +390,11 @@ def add_kconfig_checks(l, arch): l += [KconfigCheck('cut_attack_surface', 'my', 'INPUT_EVBUG', 'is not set')] # Can be used as a keylogger l += [KconfigCheck('cut_attack_surface', 'my', 'KGDB', 'is not set')] l += [KconfigCheck('cut_attack_surface', 'my', 'AIO', 'is not set')] + l += [KconfigCheck('cut_attack_surface', 'my', 'CORESIGHT', 'is not set')] l += [OR(KconfigCheck('cut_attack_surface', 'my', 'TRIM_UNUSED_KSYMS', 'y'), modules_not_set)] # 'harden_userspace' - if arch in ('X86_64', 'ARM64', 'X86_32'): - l += [KconfigCheck('harden_userspace', 'defconfig', 'INTEGRITY', 'y')] - if arch == 'ARM': - l += [KconfigCheck('harden_userspace', 'my', 'INTEGRITY', 'y')] if arch == 'ARM64': l += [KconfigCheck('harden_userspace', 'defconfig', 'ARM64_PTR_AUTH', 'y')] l += [KconfigCheck('harden_userspace', 'defconfig', 'ARM64_BTI', 'y')] @@ -545,6 +545,9 @@ def add_cmdline_checks(l, arch): # 'cut_attack_surface', 'my' l += [CmdlineCheck('cut_attack_surface', 'my', 'sysrq_always_enabled', 'is not set')] + # 'harden_userspace' + l += [CmdlineCheck('harden_userspace', 'defconfig', 'norandmaps', 'is not set')] + no_kstrtobool_options = [ 'debugfs', # See debugfs_kernel() in fs/debugfs/inode.c