Check SECURITY_SELINUX_DEVELOP (recommended by Clip OS)

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

diff --git a/kconfig_hardened_check/__init__.py b/kconfig_hardened_check/__init__.py
index 8f59b34f3fc17ba0ee287a08235f3f888499575d..98a3493b9e2d6394e5b8f179cbcf2d8a7d4e0306 100644 (file)
--- a/kconfig_hardened_check/__init__.py
+++ b/kconfig_hardened_check/__init__.py
@@ -365,6 +365,9 @@ def add_kconfig_checks(l, arch):
     if arch in ('X86_64', 'ARM64'):
         l += [KconfigCheck('self_protection', 'defconfig', 'VMAP_STACK', 'y')]
     if arch in ('X86_64', 'X86_32'):
+        l += [KconfigCheck('self_protection', 'defconfig', 'X86_MCE', 'y')]
+        l += [KconfigCheck('self_protection', 'defconfig', 'X86_MCE_INTEL', 'y')]
+        l += [KconfigCheck('self_protection', 'defconfig', 'X86_MCE_AMD', 'y')]
         l += [KconfigCheck('self_protection', 'defconfig', 'MICROCODE', 'y')] # is needed for mitigating CPU bugs
         l += [KconfigCheck('self_protection', 'defconfig', 'RETPOLINE', 'y')]
         l += [OR(KconfigCheck('self_protection', 'defconfig', 'X86_SMAP', 'y'),
@@ -479,8 +482,12 @@ def add_kconfig_checks(l, arch):
     l += [OR(KconfigCheck('self_protection', 'clipos', 'EFI_DISABLE_PCI_DMA', 'y'),
              efi_not_set)]
     l += [KconfigCheck('self_protection', 'clipos', 'SLAB_MERGE_DEFAULT', 'is not set')]
-    l += [KconfigCheck('self_protection', 'clipos', 'RANDOM_TRUST_BOOTLOADER', 'is not set')]
-    l += [KconfigCheck('self_protection', 'clipos', 'RANDOM_TRUST_CPU', 'is not set')]
+    hw_random_tpm_is_set = KconfigCheck('self_protection', 'clipos', 'HW_RANDOM_TPM', 'y')
+    l += [hw_random_tpm_is_set]
+    l += [AND(KconfigCheck('self_protection', 'clipos', 'RANDOM_TRUST_BOOTLOADER', 'is not set'),
+              hw_random_tpm_is_set)]
+    l += [AND(KconfigCheck('self_protection', 'clipos', 'RANDOM_TRUST_CPU', 'is not set'),
+              hw_random_tpm_is_set)]
     l += [AND(KconfigCheck('self_protection', 'clipos', 'RANDSTRUCT_PERFORMANCE', 'is not set'),
               KconfigCheck('self_protection', 'clipos', 'GCC_PLUGIN_RANDSTRUCT_PERFORMANCE', 'is not set'),
               randstruct_is_set)]
@@ -527,6 +534,8 @@ def add_kconfig_checks(l, arch):
     l += [KconfigCheck('security_policy', 'kspp', 'SECURITY_YAMA', 'y')]
     l += [KconfigCheck('security_policy', 'kspp', 'SECURITY_LANDLOCK', 'y')]
     l += [KconfigCheck('security_policy', 'kspp', 'SECURITY_SELINUX_DISABLE', 'is not set')]
+    l += [KconfigCheck('security_policy', 'clipos', 'SECURITY_SELINUX_BOOTPARAM', 'is not set')]
+    l += [KconfigCheck('security_policy', 'clipos', 'SECURITY_SELINUX_DEVELOP', 'is not set')]
     l += [KconfigCheck('security_policy', 'clipos', 'SECURITY_LOCKDOWN_LSM', 'y')]
     l += [KconfigCheck('security_policy', 'clipos', 'SECURITY_LOCKDOWN_LSM_EARLY', 'y')]
     l += [KconfigCheck('security_policy', 'clipos', 'LOCK_DOWN_KERNEL_FORCE_CONFIDENTIALITY', 'y')]
@@ -637,6 +646,7 @@ 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', 'COREDUMP', 'is not set')] # cut userspace attack surface
     l += [AND(KconfigCheck('cut_attack_surface', 'clipos', 'LDISC_AUTOLOAD', 'is not set'),
               KconfigCheck('cut_attack_surface', 'clipos', 'LDISC_AUTOLOAD'))] # option presence check
     if arch in ('X86_64', 'X86_32'):
@@ -749,7 +759,8 @@ def add_cmdline_checks(l, arch):
     # 'self_protection', 'clipos'
     l += [CmdlineCheck('self_protection', 'clipos', 'page_alloc.shuffle', '1')]
     if arch in ('X86_64', 'X86_32'):
-        l += [CmdlineCheck('self_protection', 'clipos', 'spectre_v2', 'on')]
+        l += [AND(CmdlineCheck('self_protection', 'clipos', 'spectre_v2', 'on'),
+                  CmdlineCheck('self_protection', 'defconfig', 'nospectre_v2', 'is not set'))]
 
     # 'cut_attack_surface', 'kspp'
     if arch == 'X86_64':