Some of my recommendations are used by CLIP OS, change the `reason` field

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

diff --git a/kconfig-hardened-check.py b/kconfig-hardened-check.py
index 97cb91357c688f8d374f4835adce693739aee564..873506adc953ff4a4e5d1901566a46eace598cec 100755 (executable)
--- a/kconfig-hardened-check.py
+++ b/kconfig-hardened-check.py
@@ -36,8 +36,13 @@
 #    kptr_restrict=2
 #    vm.unprivileged_userfaultfd=0
 #    kernel.perf_event_paranoid=3
-#    kernel.yama.ptrace_scope=1
+#    kernel.yama.ptrace_scope=1 (or even 3?)
 #    kernel.unprivileged_bpf_disabled=1
+#    fs.suid_dumpable=0
+#    fs.protected_symlinks = 1
+#    fs.protected_hardlinks = 1
+#    fs.protected_fifos = 2
+#    fs.protected_regular = 2
 
 import sys
 from argparse import ArgumentParser
@@ -246,6 +251,10 @@ def construct_checklist(checklist, arch):
         checklist.append(OptCheck('SYN_COOKIES',                      'y', 'kspp', 'self_protection')) # another reason?
         checklist.append(OptCheck('DEFAULT_MMAP_MIN_ADDR',            '32768', 'kspp', 'self_protection'))
 
+    checklist.append(OR(OptCheck('INIT_STACK_ALL',                     'y', 'clipos', 'self_protection'), \
+                        OptCheck('GCC_PLUGIN_STRUCTLEAK_BYREF_ALL',    'y', 'kspp', 'self_protection')))
+    checklist.append(OptCheck('INIT_ON_ALLOC_DEFAULT_ON',              'y', 'clipos', 'self_protection'))
+    checklist.append(OptCheck('INIT_ON_FREE_DEFAULT_ON',               'y', 'clipos', 'self_protection'))
     checklist.append(OptCheck('SECURITY_DMESG_RESTRICT',               'y', 'clipos', 'self_protection'))
     checklist.append(OptCheck('DEBUG_VIRTUAL',                         'y', 'clipos', 'self_protection'))
     checklist.append(OptCheck('STATIC_USERMODEHELPER',                 'y', 'clipos', 'self_protection')) # needs userspace support (systemd)
@@ -271,11 +280,7 @@ def construct_checklist(checklist, arch):
         checklist.append(AND(OptCheck('INTEL_IOMMU_DEFAULT_ON',            'y', 'clipos', 'self_protection'), \
                              iommu_support_is_set))
 
-    checklist.append(OR(OptCheck('INIT_STACK_ALL',                  'y', 'my', 'self_protection'), \
-                        OptCheck('GCC_PLUGIN_STRUCTLEAK_BYREF_ALL', 'y', 'kspp', 'self_protection')))
     checklist.append(OptCheck('SLUB_DEBUG_ON',                      'y', 'my', 'self_protection'))
-    checklist.append(OptCheck('INIT_ON_ALLOC_DEFAULT_ON',           'y', 'my', 'self_protection'))
-    checklist.append(OptCheck('INIT_ON_FREE_DEFAULT_ON',            'y', 'my', 'self_protection'))
     checklist.append(OptCheck('RESET_ATTACK_MITIGATION',            'y', 'my', 'self_protection')) # needs userspace support (systemd)
     checklist.append(AND(OptCheck('PAGE_POISONING_NO_SANITY',       'is not set', 'my', 'self_protection'), \
                          page_poisoning_is_set))
@@ -358,7 +363,7 @@ def construct_checklist(checklist, arch):
     checklist.append(OptCheck('MMIOTRACE_TEST',       'is not set', 'lockdown', 'cut_attack_surface')) # refers to LOCK_DOWN_KERNEL
 
     checklist.append(OptCheck('KSM',                      'is not set', 'clipos', 'cut_attack_surface')) # to prevent FLUSH+RELOAD attack
-    checklist.append(OptCheck('IKCONFIG',                 'is not set', 'clipos', 'cut_attack_surface'))
+#   checklist.append(OptCheck('IKCONFIG',                 'is not set', 'clipos', 'cut_attack_surface')) # no, this info is needed for this check :)
     checklist.append(OptCheck('KALLSYMS',                 'is not set', 'clipos', 'cut_attack_surface'))
     checklist.append(OptCheck('X86_VSYSCALL_EMULATION',   'is not set', 'clipos', 'cut_attack_surface'))
     checklist.append(OptCheck('MAGIC_SYSRQ',              'is not set', 'clipos', 'cut_attack_surface'))