Add the new names of RETPOLINE, CPU_SRSO, SLS

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

diff --git a/kernel_hardening_checker/checks.py b/kernel_hardening_checker/checks.py
index f2e4c34fd6da0a81a046563329dd5e2736a09f46..e03bd709d2dc9c7259130ac915dcdd8ff20cf624 100644 (file)
--- a/kernel_hardening_checker/checks.py
+++ b/kernel_hardening_checker/checks.py
@@ -69,7 +69,6 @@ def add_kconfig_checks(l: List[ChecklistObjType], arch: str) -> None:
         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', 'RETPOLINE', 'y')]
         l += [KconfigCheck('self_protection', 'defconfig', 'SYN_COOKIES', 'y')] # another reason?
         microcode_is_set = KconfigCheck('self_protection', 'defconfig', 'MICROCODE', 'y')
         l += [microcode_is_set] # is needed for mitigating CPU bugs
@@ -89,16 +88,20 @@ def add_kconfig_checks(l: List[ChecklistObjType], arch: str) -> None:
                  cpu_sup_intel_not_set)]
         l += [OR(KconfigCheck('self_protection', 'defconfig', 'X86_MCE_AMD', 'y'),
                  cpu_sup_amd_not_set)]
+        l += [OR(KconfigCheck('self_protection', 'defconfig', 'MITIGATION_RETPOLINE', 'y'),
+                 KconfigCheck('self_protection', 'defconfig', 'RETPOLINE', 'y'))]
     if arch in ('ARM64', 'ARM'):
         l += [KconfigCheck('self_protection', 'defconfig', 'HW_RANDOM_TPM', 'y')]
         l += [KconfigCheck('self_protection', 'defconfig', 'IOMMU_DEFAULT_DMA_STRICT', 'y')]
         l += [KconfigCheck('self_protection', 'defconfig', 'IOMMU_DEFAULT_PASSTHROUGH', 'is not set')] # true if IOMMU_DEFAULT_DMA_STRICT is set
         l += [KconfigCheck('self_protection', 'defconfig', 'STACKPROTECTOR_PER_TASK', 'y')]
     if arch == 'X86_64':
-        l += [KconfigCheck('self_protection', 'defconfig', 'PAGE_TABLE_ISOLATION', 'y')]
         l += [KconfigCheck('self_protection', 'defconfig', 'RANDOMIZE_MEMORY', 'y')]
         l += [KconfigCheck('self_protection', 'defconfig', 'X86_KERNEL_IBT', 'y')]
-        l += [OR(KconfigCheck('self_protection', 'defconfig', 'CPU_SRSO', 'y'),
+        l += [OR(KconfigCheck('self_protection', 'defconfig', 'MITIGATION_PAGE_TABLE_ISOLATION', 'y'),
+                 KconfigCheck('self_protection', 'defconfig', 'PAGE_TABLE_ISOLATION', 'y'))]
+        l += [OR(KconfigCheck('self_protection', 'defconfig', 'MITIGATION_SRSO', 'y'),
+                 KconfigCheck('self_protection', 'defconfig', 'CPU_SRSO', 'y'),
                  cpu_sup_amd_not_set)]
         l += [AND(KconfigCheck('self_protection', 'defconfig', 'INTEL_IOMMU', 'y'),
                   iommu_support_is_set)]
@@ -234,7 +237,8 @@ def add_kconfig_checks(l: List[ChecklistObjType], arch: str) -> None:
         l += [KconfigCheck('self_protection', 'kspp', 'DEFAULT_MMAP_MIN_ADDR', '32768')]
         l += [KconfigCheck('self_protection', 'kspp', 'SYN_COOKIES', 'y')] # another reason?
     if arch == 'X86_64':
-        l += [KconfigCheck('self_protection', 'kspp', 'SLS', 'y')] # vs CVE-2021-26341 in Straight-Line-Speculation
+        l += [OR(KconfigCheck('self_protection', 'kspp', 'MITIGATION_SLS', 'y'),
+                 KconfigCheck('self_protection', 'kspp', 'SLS', 'y'))] # vs CVE-2021-26341 in Straight-Line-Speculation
         l += [AND(KconfigCheck('self_protection', 'kspp', 'INTEL_IOMMU_SVM', 'y'),
                   iommu_support_is_set)]
         l += [AND(KconfigCheck('self_protection', 'kspp', 'AMD_IOMMU_V2', 'y'),
@@ -244,9 +248,10 @@ def add_kconfig_checks(l: List[ChecklistObjType], arch: str) -> None:
         l += [KconfigCheck('self_protection', 'kspp', 'SHADOW_CALL_STACK', 'y')]
         l += [KconfigCheck('self_protection', 'kspp', 'KASAN_HW_TAGS', 'y')] # see also: kasan=on, kasan.stacktrace=off, kasan.fault=panic
     if arch == 'X86_32':
-        l += [KconfigCheck('self_protection', 'kspp', 'PAGE_TABLE_ISOLATION', 'y')]
         l += [KconfigCheck('self_protection', 'kspp', 'HIGHMEM64G', 'y')]
         l += [KconfigCheck('self_protection', 'kspp', 'X86_PAE', 'y')]
+        l += [OR(KconfigCheck('self_protection', 'kspp', 'MITIGATION_PAGE_TABLE_ISOLATION', 'y'),
+                 KconfigCheck('self_protection', 'kspp', 'PAGE_TABLE_ISOLATION', 'y'))]
         l += [AND(KconfigCheck('self_protection', 'kspp', 'INTEL_IOMMU', 'y'),
                   iommu_support_is_set)]