Update the security policy checks adopted by KSPP

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

diff --git a/kconfig_hardened_check/__init__.py b/kconfig_hardened_check/__init__.py
index 9ae247482b82ce23de85772487faaa33606e55bc..60930e37e2a3acaa8fd2d7e0d195288142e68502 100644 (file)
--- a/kconfig_hardened_check/__init__.py
+++ b/kconfig_hardened_check/__init__.py
@@ -12,7 +12,6 @@
 #
 # N.B Hardening command line parameters:
 #    iommu=force (does it help against DMA attacks?)
-#    loadpin.enforce=1
 #
 #    Mitigations of CPU vulnerabilities:
 #       Аrch-independent:
@@ -482,9 +481,12 @@ 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')]
-    l += [KconfigCheck('self_protection', 'clipos', 'CONFIG_HW_RANDOM_TPM', 'y')]
+    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)]
@@ -531,15 +533,12 @@ 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_LOCKDOWN_LSM', 'y')]
-    l += [KconfigCheck('security_policy', 'clipos', 'SECURITY_LOCKDOWN_LSM_EARLY', 'y')]
-    l += [KconfigCheck('security_policy', 'clipos', 'LOCK_DOWN_KERNEL_FORCE_CONFIDENTIALITY', 'y')]
-    l += [KconfigCheck('security_policy', 'my', 'SECURITY_WRITABLE_HOOKS', 'is not set')] # refers to SECURITY_SELINUX_DISABLE
-    l += [KconfigCheck('security_policy', 'my', 'SECURITY_SAFESETID', 'y')]
-    loadpin_is_set = KconfigCheck('security_policy', 'my', 'SECURITY_LOADPIN', 'y')
-    l += [loadpin_is_set] # needs userspace support
-    l += [AND(KconfigCheck('security_policy', 'my', 'SECURITY_LOADPIN_ENFORCE', 'y'),
-              loadpin_is_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
 
     # 'cut_attack_surface', 'defconfig'
     l += [OR(KconfigCheck('cut_attack_surface', 'defconfig', 'BPF_UNPRIV_DEFAULT_OFF', 'y'),
@@ -641,6 +640,7 @@ 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'):