Version 0.5.3 (supports Linux kernel v5.3)

[kconfig-hardened-check.git] / kconfig-hardened-check.py

diff --git a/kconfig-hardened-check.py b/kconfig-hardened-check.py
index d7da0fdfb1037a0cb86a92f13d6fcb1bef1606e4..975c87446ff764b0059a1bb02c0445cc591b2866 100755 (executable)
--- a/kconfig-hardened-check.py
+++ b/kconfig-hardened-check.py
@@ -187,7 +187,6 @@ 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' or arch == 'X86_32':
-        checklist.append(OptCheck('RANDOMIZE_BASE',              'y', 'defconfig', 'self_protection'))
         checklist.append(OptCheck('MICROCODE',                   'y', 'defconfig', 'self_protection')) # is needed for mitigating CPU bugs
         checklist.append(OptCheck('RETPOLINE',                   'y', 'defconfig', 'self_protection'))
         checklist.append(OptCheck('X86_SMAP',                    'y', 'defconfig', 'self_protection'))
@@ -195,12 +194,12 @@ def construct_checklist(checklist, arch):
                             OptCheck('X86_INTEL_UMIP',           'y', 'defconfig', 'self_protection')))
         iommu_support_is_set = OptCheck('IOMMU_SUPPORT',         'y', 'defconfig', 'self_protection') # is needed for mitigating DMA attacks
         checklist.append(iommu_support_is_set)
-        checklist.append(AND(OptCheck('INTEL_IOMMU',             'y', 'defconfig', 'self_protection'), \
-                             iommu_support_is_set))
         checklist.append(OptCheck('SYN_COOKIES',                 'y', 'defconfig', 'self_protection')) # another reason?
     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(AND(OptCheck('INTEL_IOMMU',             'y', 'defconfig', 'self_protection'), \
+                             iommu_support_is_set))
         checklist.append(AND(OptCheck('AMD_IOMMU',               'y', 'defconfig', 'self_protection'), \
                              iommu_support_is_set))
     if debug_mode or arch == 'ARM64':
@@ -210,6 +209,7 @@ def construct_checklist(checklist, arch):
     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':
+        checklist.append(OptCheck('RANDOMIZE_BASE',              'y', 'defconfig', 'self_protection'))
         checklist.append(OptCheck('THREAD_INFO_IN_TASK',         'y', 'defconfig', 'self_protection'))
     if debug_mode or arch == 'ARM':
         checklist.append(OptCheck('VMSPLIT_3G',                  'y', 'defconfig', 'self_protection'))
@@ -255,7 +255,6 @@ def construct_checklist(checklist, arch):
         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'))
     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'))