KconfigCheck('self_protection', 'defconfig', 'DEBUG_SET_MODULE_RONX', 'y'),
modules_not_set)] # DEBUG_SET_MODULE_RONX was before v4.11
l += [OR(KconfigCheck('self_protection', 'defconfig', 'REFCOUNT_FULL', 'y'),
- VersionCheck((5, 5)))] # REFCOUNT_FULL is enabled by default since v5.5
+ VersionCheck((5, 4, 208)))]
+ # REFCOUNT_FULL is enabled by default since v5.5,
+ # and this is backported to v5.4.208
l += [OR(KconfigCheck('self_protection', 'defconfig', 'INIT_STACK_ALL_ZERO', 'y'),
KconfigCheck('self_protection', 'kspp', 'GCC_PLUGIN_STRUCTLEAK_BYREF_ALL', 'y'))]
if arch in ('X86_64', 'ARM64', 'X86_32'):
l += [microcode_is_set] # is needed for mitigating CPU bugs
l += [OR(KconfigCheck('self_protection', 'defconfig', 'MICROCODE_INTEL', 'y'),
AND(microcode_is_set,
- VersionCheck((6, 6))))] # MICROCODE_INTEL was included in MICROCODE since v6.6
+ VersionCheck((6, 6, 0))))] # MICROCODE_INTEL was included in MICROCODE since v6.6
l += [OR(KconfigCheck('self_protection', 'defconfig', 'MICROCODE_AMD', 'y'),
AND(microcode_is_set,
- VersionCheck((6, 6))))] # MICROCODE_AMD was included in MICROCODE since v6.6
+ VersionCheck((6, 6, 0))))] # MICROCODE_AMD was included in MICROCODE since v6.6
l += [OR(KconfigCheck('self_protection', 'defconfig', 'X86_SMAP', 'y'),
- VersionCheck((5, 19)))] # X86_SMAP is enabled by default since v5.19
+ VersionCheck((5, 19, 0)))] # X86_SMAP is enabled by default since v5.19
l += [OR(KconfigCheck('self_protection', 'defconfig', 'X86_UMIP', 'y'),
KconfigCheck('self_protection', 'defconfig', 'X86_INTEL_UMIP', 'y'))]
if arch in ('ARM64', 'ARM'):
l += [KconfigCheck('self_protection', 'defconfig', 'RANDOMIZE_MODULE_REGION_FULL', 'y')]
l += [OR(KconfigCheck('self_protection', 'defconfig', 'HARDEN_EL2_VECTORS', 'y'),
AND(KconfigCheck('self_protection', 'defconfig', 'RANDOMIZE_BASE', 'y'),
- VersionCheck((5, 9))))] # HARDEN_EL2_VECTORS was included in RANDOMIZE_BASE in v5.9
+ VersionCheck((5, 9, 0))))] # HARDEN_EL2_VECTORS was included in RANDOMIZE_BASE in v5.9
l += [OR(KconfigCheck('self_protection', 'defconfig', 'HARDEN_BRANCH_PREDICTOR', 'y'),
- VersionCheck((5, 10)))] # HARDEN_BRANCH_PREDICTOR is enabled by default since v5.10
+ VersionCheck((5, 10, 0)))] # HARDEN_BRANCH_PREDICTOR is enabled by default since v5.10
if arch == 'ARM':
l += [KconfigCheck('self_protection', 'defconfig', 'CPU_SW_DOMAIN_PAN', 'y')]
l += [KconfigCheck('self_protection', 'defconfig', 'HARDEN_BRANCH_PREDICTOR', 'y')]
l += [KconfigCheck('self_protection', 'kspp', 'DEBUG_VIRTUAL', 'y')]
l += [KconfigCheck('self_protection', 'kspp', 'DEBUG_SG', 'y')]
l += [KconfigCheck('self_protection', 'kspp', 'DEBUG_CREDENTIALS', 'y')]
- l += [KconfigCheck('self_protection', 'kspp', 'DEBUG_NOTIFIERS', 'y')]
l += [KconfigCheck('self_protection', 'kspp', 'INIT_ON_ALLOC_DEFAULT_ON', 'y')]
l += [KconfigCheck('self_protection', 'kspp', 'STATIC_USERMODEHELPER', 'y')] # needs userspace support
l += [KconfigCheck('self_protection', 'kspp', 'SCHED_CORE', 'y')]
+ l += [KconfigCheck('self_protection', 'kspp', 'SECURITY_LOCKDOWN_LSM', 'y')]
+ l += [KconfigCheck('self_protection', 'kspp', 'SECURITY_LOCKDOWN_LSM_EARLY', 'y')]
+ l += [KconfigCheck('self_protection', 'kspp', 'LOCK_DOWN_KERNEL_FORCE_CONFIDENTIALITY', 'y')]
+ cfi_clang_is_set = KconfigCheck('self_protection', 'kspp', 'CFI_CLANG', 'y')
+ cfi_clang_permissive_not_set = KconfigCheck('self_protection', 'kspp', 'CFI_PERMISSIVE', 'is not set')
+ l += [OR(KconfigCheck('self_protection', 'kspp', 'DEBUG_NOTIFIERS', 'y'),
+ AND(cfi_clang_is_set,
+ cfi_clang_permissive_not_set))]
l += [OR(KconfigCheck('self_protection', 'kspp', 'SCHED_STACK_END_CHECK', 'y'),
vmap_stack_is_set)]
kfence_is_set = KconfigCheck('self_protection', 'kspp', 'KFENCE', 'y')
l += [OR(KconfigCheck('self_protection', 'kspp', 'MODULE_SIG_ALL', 'y'),
modules_not_set)]
l += [OR(KconfigCheck('self_protection', 'kspp', 'MODULE_SIG_SHA512', 'y'),
+ KconfigCheck('self_protection', 'my', 'MODULE_SIG_SHA3_512', 'y'),
modules_not_set)]
l += [OR(KconfigCheck('self_protection', 'kspp', 'MODULE_SIG_FORCE', 'y'),
modules_not_set)] # refers to LOCKDOWN
gcc_plugins_support_is_set)]
l += [KconfigCheck('self_protection', 'kspp', 'RANDOMIZE_KSTACK_OFFSET_DEFAULT', 'y')]
if arch in ('X86_64', 'ARM64'):
- cfi_clang_is_set = KconfigCheck('self_protection', 'kspp', 'CFI_CLANG', 'y')
l += [cfi_clang_is_set]
- l += [AND(KconfigCheck('self_protection', 'kspp', 'CFI_PERMISSIVE', 'is not set'),
+ l += [AND(cfi_clang_permissive_not_set,
cfi_clang_is_set)]
if arch in ('X86_64', 'X86_32'):
l += [KconfigCheck('self_protection', 'kspp', 'HW_RANDOM_TPM', 'y')]
l += [KconfigCheck('security_policy', 'kspp', 'SECURITY_SELINUX_DISABLE', 'is not set')]
l += [KconfigCheck('security_policy', 'kspp', 'SECURITY_SELINUX_BOOTPARAM', 'is not set')]
l += [KconfigCheck('security_policy', 'kspp', 'SECURITY_SELINUX_DEVELOP', 'is not set')]
- l += [KconfigCheck('security_policy', 'kspp', 'SECURITY_LOCKDOWN_LSM', 'y')]
- l += [KconfigCheck('security_policy', 'kspp', 'SECURITY_LOCKDOWN_LSM_EARLY', 'y')]
- l += [KconfigCheck('security_policy', 'kspp', 'LOCK_DOWN_KERNEL_FORCE_CONFIDENTIALITY', 'y')]
l += [KconfigCheck('security_policy', 'kspp', 'SECURITY_WRITABLE_HOOKS', 'is not set')] # refers to SECURITY_SELINUX_DISABLE
l += [KconfigCheck('security_policy', 'my', 'SECURITY_SELINUX_DEBUG', 'is not set')]
l += [OR(KconfigCheck('security_policy', 'my', 'SECURITY_SELINUX', 'y'),
# 'cut_attack_surface', 'my'
l += [CmdlineCheck('cut_attack_surface', 'my', 'sysrq_always_enabled', 'is not set')]
+ if arch == 'X86_64':
+ l += [OR(CmdlineCheck('cut_attack_surface', 'my', 'ia32_emulation', '0'),
+ KconfigCheck('cut_attack_surface', 'kspp', 'IA32_EMULATION', 'is not set'),
+ AND(KconfigCheck('cut_attack_surface', 'my', 'IA32_EMULATION_DEFAULT_DISABLED', 'y'),
+ CmdlineCheck('cut_attack_surface', 'my', 'ia32_emulation', 'is not set')))]
# 'harden_userspace'
l += [CmdlineCheck('harden_userspace', 'defconfig', 'norandmaps', 'is not set')]