X-Git-Url: https://jxself.org/git/?a=blobdiff_plain;f=kernel_hardening_checker%2Fchecks.py;h=e172e96796b90a2cdbbd27f1efcf190a86b21d07;hb=1d054d2c10d4969c205e583b239452bd7d3a42e5;hp=42bfa45fc30dce541dd0d7a7bb0f07d7090f5fe3;hpb=8a32124f1a38eaf2781cef0ee12a860b313b13d0;p=kconfig-hardened-check.git diff --git a/kernel_hardening_checker/checks.py b/kernel_hardening_checker/checks.py index 42bfa45..e172e96 100644 --- a/kernel_hardening_checker/checks.py +++ b/kernel_hardening_checker/checks.py @@ -181,9 +181,9 @@ def add_kconfig_checks(l, arch): KconfigCheck('self_protection', 'kspp', 'UBSAN_BOOL', 'is not set'), KconfigCheck('self_protection', 'kspp', 'UBSAN_ENUM', 'is not set'), KconfigCheck('self_protection', 'kspp', 'UBSAN_ALIGNMENT', 'is not set'))] # only array index bounds checking with traps + l += [AND(KconfigCheck('self_protection', 'kspp', 'UBSAN_SANITIZE_ALL', 'y'), + ubsan_bounds_is_set)] if arch in ('X86_64', 'ARM64', 'X86_32'): - l += [AND(KconfigCheck('self_protection', 'kspp', 'UBSAN_SANITIZE_ALL', 'y'), - ubsan_bounds_is_set)] # ARCH_HAS_UBSAN_SANITIZE_ALL is not enabled for ARM stackleak_is_set = KconfigCheck('self_protection', 'kspp', 'GCC_PLUGIN_STACKLEAK', 'y') l += [AND(stackleak_is_set, gcc_plugins_support_is_set)] l += [AND(KconfigCheck('self_protection', 'kspp', 'STACKLEAK_METRICS', 'is not set'), @@ -364,6 +364,7 @@ def add_kconfig_checks(l, arch): l += [KconfigCheck('cut_attack_surface', 'clipos', 'X86_IOPL_IOPERM', 'is not set')] # refers to LOCKDOWN l += [KconfigCheck('cut_attack_surface', 'clipos', 'ACPI_TABLE_UPGRADE', 'is not set')] # refers to LOCKDOWN l += [KconfigCheck('cut_attack_surface', 'clipos', 'EFI_CUSTOM_SSDT_OVERLAYS', 'is not set')] + l += [KconfigCheck('cut_attack_surface', 'clipos', 'AIO', 'is not set')] # l += [KconfigCheck('cut_attack_surface', 'clipos', 'IKCONFIG', 'is not set')] # no, IKCONFIG is needed for this check :) # 'cut_attack_surface', 'lockdown' @@ -381,7 +382,6 @@ def add_kconfig_checks(l, arch): l += [KconfigCheck('cut_attack_surface', 'my', 'VIDEO_VIVID', 'is not set')] 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 += [KconfigCheck('cut_attack_surface', 'my', 'XFS_SUPPORT_V4', 'is not set')] l += [OR(KconfigCheck('cut_attack_surface', 'my', 'TRIM_UNUSED_KSYMS', 'y'), @@ -544,15 +544,15 @@ def add_cmdline_checks(l, arch): KconfigCheck('cut_attack_surface', 'kspp', 'X86_VSYSCALL_EMULATION', 'is not set'), AND(KconfigCheck('cut_attack_surface', 'kspp', 'LEGACY_VSYSCALL_NONE', 'y'), CmdlineCheck('cut_attack_surface', 'kspp', 'vsyscall', 'is not set')))] - l += [OR(CmdlineCheck('cut_attack_surface', 'my', 'vdso32', '1'), - CmdlineCheck('cut_attack_surface', 'kspp', 'vdso32', '0'), + l += [OR(CmdlineCheck('cut_attack_surface', 'kspp', 'vdso32', '0'), + CmdlineCheck('cut_attack_surface', 'my', 'vdso32', '1'), AND(KconfigCheck('cut_attack_surface', 'kspp', 'COMPAT_VDSO', 'is not set'), CmdlineCheck('cut_attack_surface', 'my', 'vdso32', 'is not set')))] # the vdso32 parameter must not be 2 if arch == 'X86_32': - l += [OR(CmdlineCheck('cut_attack_surface', 'my', 'vdso32', '1'), - CmdlineCheck('cut_attack_surface', 'my', 'vdso', '1'), - CmdlineCheck('cut_attack_surface', 'kspp', 'vdso32', '0'), + l += [OR(CmdlineCheck('cut_attack_surface', 'kspp', 'vdso32', '0'), CmdlineCheck('cut_attack_surface', 'my', 'vdso', '0'), + CmdlineCheck('cut_attack_surface', 'my', 'vdso32', '1'), + CmdlineCheck('cut_attack_surface', 'my', 'vdso', '1'), AND(KconfigCheck('cut_attack_surface', 'kspp', 'COMPAT_VDSO', 'is not set'), CmdlineCheck('cut_attack_surface', 'my', 'vdso32', 'is not set'), CmdlineCheck('cut_attack_surface', 'my', 'vdso', 'is not set')))] # the vdso and vdso32 parameters must not be 2