X-Git-Url: https://jxself.org/git/?a=blobdiff_plain;f=kconfig_hardened_check%2F__init__.py;h=9434c68fc5b200e5028e783a43fa95d0b2bc01c8;hb=f1b6218bc2997e54b408a46e7cc3083c3fb0ecff;hp=f2e2fe020c906b48abdd32536f6906471cb5b31b;hpb=cb779a71bf57d95b4548fd88494e6f3c803a394d;p=kconfig-hardened-check.git

diff --git a/kconfig_hardened_check/__init__.py b/kconfig_hardened_check/__init__.py
index f2e2fe0..9434c68 100644
--- a/kconfig_hardened_check/__init__.py
+++ b/kconfig_hardened_check/__init__.py
@@ -10,16 +10,9 @@
 # Please don't cry if my Python code looks like C.
 #
 #
-# N.B Hardening command line parameters:
+# N.B Missing hardening command line parameters:
 #    iommu=force (does it help against DMA attacks?)
 #
-#    Mitigations of CPU vulnerabilities:
-#       Аrch-independent:
-#       X86:
-#           l1d_flush=on (a part of the l1tf option)
-#       ARM64:
-#           kpti=on
-#
 #    Hardware tag-based KASAN with arm64 Memory Tagging Extension (MTE):
 #           kasan=on
 #           kasan.stacktrace=off
@@ -47,6 +40,7 @@
 #    fs.suid_dumpable=0
 #    kernel.modules_disabled=1
 #    kernel.randomize_va_space = 2
+#    nosmt sysfs control file
 
 
 # pylint: disable=missing-module-docstring,missing-class-docstring,missing-function-docstring
@@ -387,6 +381,8 @@ 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', 'DEBUG_WX', 'y')]
+        l += [KconfigCheck('self_protection', 'defconfig', 'WERROR', 'y')]
         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')]
@@ -429,7 +425,6 @@ def add_kconfig_checks(l, arch):
 
     # 'self_protection', 'kspp'
     l += [KconfigCheck('self_protection', 'kspp', 'BUG_ON_DATA_CORRUPTION', 'y')]
-    l += [KconfigCheck('self_protection', 'kspp', 'DEBUG_WX', 'y')]
     l += [KconfigCheck('self_protection', 'kspp', 'SCHED_STACK_END_CHECK', 'y')]
     l += [KconfigCheck('self_protection', 'kspp', 'SLAB_FREELIST_HARDENED', 'y')]
     l += [KconfigCheck('self_protection', 'kspp', 'SLAB_FREELIST_RANDOM', 'y')]
@@ -442,7 +437,6 @@ def add_kconfig_checks(l, arch):
     l += [KconfigCheck('self_protection', 'kspp', 'DEBUG_NOTIFIERS', 'y')]
     l += [KconfigCheck('self_protection', 'kspp', 'INIT_ON_ALLOC_DEFAULT_ON', 'y')]
     l += [KconfigCheck('self_protection', 'kspp', 'KFENCE', 'y')]
-    l += [KconfigCheck('self_protection', 'kspp', 'WERROR', 'y')]
     l += [KconfigCheck('self_protection', 'kspp', 'IOMMU_DEFAULT_DMA_STRICT', 'y')]
     l += [KconfigCheck('self_protection', 'kspp', 'IOMMU_DEFAULT_PASSTHROUGH', 'is not set')] # true if IOMMU_DEFAULT_DMA_STRICT is set
     l += [KconfigCheck('self_protection', 'kspp', 'ZERO_CALL_USED_REGS', 'y')]
@@ -519,6 +513,8 @@ def add_kconfig_checks(l, arch):
         l += [AND(KconfigCheck('self_protection', 'kspp', 'INTEL_IOMMU_DEFAULT_ON', 'y'),
                   iommu_support_is_set)]
     if arch in ('ARM64', 'ARM'):
+        l += [KconfigCheck('self_protection', 'kspp', 'DEBUG_WX', 'y')]
+        l += [KconfigCheck('self_protection', 'kspp', 'WERROR', 'y')]
         l += [KconfigCheck('self_protection', 'kspp', 'DEFAULT_MMAP_MIN_ADDR', '32768')]
         l += [KconfigCheck('self_protection', 'kspp', 'SYN_COOKIES', 'y')] # another reason?
     if arch == 'X86_64':
@@ -644,9 +640,6 @@ def add_kconfig_checks(l, arch):
     l += [KconfigCheck('cut_attack_surface', 'maintainer', 'BLK_DEV_FD', 'is not set')] # recommended by Denis Efremov in /pull/54
     l += [KconfigCheck('cut_attack_surface', 'maintainer', 'BLK_DEV_FD_RAWCMD', 'is not set')] # recommended by Denis Efremov in /pull/62
 
-    # 'cut_attack_surface', 'grapheneos'
-    l += [KconfigCheck('cut_attack_surface', 'grapheneos', 'AIO', 'is not set')]
-
     # 'cut_attack_surface', 'clipos'
     l += [KconfigCheck('cut_attack_surface', 'clipos', 'STAGING', 'is not set')]
     l += [KconfigCheck('cut_attack_surface', 'clipos', 'KSM', 'is not set')] # to prevent FLUSH+RELOAD attack
@@ -723,6 +716,7 @@ def add_cmdline_checks(l, arch):
     l += [CmdlineCheck('self_protection', 'defconfig', 'nopti', 'is not set')]
     l += [CmdlineCheck('self_protection', 'defconfig', 'nospectre_v1', 'is not set')]
     l += [CmdlineCheck('self_protection', 'defconfig', 'nospectre_v2', 'is not set')]
+    l += [CmdlineCheck('self_protection', 'defconfig', 'nospectre_bhb', 'is not set')]
     l += [CmdlineCheck('self_protection', 'defconfig', 'nospec_store_bypass_disable', 'is not set')]
     l += [CmdlineCheck('self_protection', 'defconfig', 'arm64.nobti', 'is not set')]
     l += [CmdlineCheck('self_protection', 'defconfig', 'arm64.nopauth', 'is not set')]
@@ -747,6 +741,8 @@ def add_cmdline_checks(l, arch):
              CmdlineCheck('self_protection', 'defconfig', 'mmio_stale_data', 'is not set'))]
     l += [OR(CmdlineCheck('self_protection', 'defconfig', 'retbleed', 'is not off'),
              CmdlineCheck('self_protection', 'defconfig', 'retbleed', 'is not set'))]
+    l += [OR(CmdlineCheck('self_protection', 'defconfig', 'kpti', 'is not off'),
+             CmdlineCheck('self_protection', 'defconfig', 'kpti', 'is not set'))]
     if arch == 'ARM64':
         l += [OR(CmdlineCheck('self_protection', 'defconfig', 'ssbd', 'kernel'),
                  CmdlineCheck('self_protection', 'my', 'ssbd', 'force-on'),