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fact-depend
kernel-hardening-checker
Commits
84951bf6
Commit
84951bf6
authored
Jan 15, 2019
by
Alexander Popov
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Change 'decision' to 'defconfig' for hardening features enabled by default
parent
a5085a0d
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Showing
1 changed file
with
24 additions
and
23 deletions
+24
-23
kconfig-hardened-check.py
kconfig-hardened-check.py
+24
-23
No files found.
kconfig-hardened-check.py
View file @
84951bf6
...
...
@@ -112,38 +112,38 @@ def construct_checklist():
modules_not_set
=
OptCheck
(
'MODULES'
,
'is not set'
,
'kspp'
,
'cut_attack_surface'
)
devmem_not_set
=
OptCheck
(
'DEVMEM'
,
'is not set'
,
'kspp'
,
'cut_attack_surface'
)
# refers to LOCK_DOWN_KERNEL
checklist
.
append
(
OptCheck
(
'BUG'
,
'y'
,
'
ubuntu18
'
,
'self_protection'
))
checklist
.
append
(
OptCheck
(
'PAGE_TABLE_ISOLATION'
,
'y'
,
'
ubuntu18
'
,
'self_protection'
))
checklist
.
append
(
OptCheck
(
'RETPOLINE'
,
'y'
,
'
ubuntu18
'
,
'self_protection'
))
checklist
.
append
(
OptCheck
(
'X86_64'
,
'y'
,
'
ubuntu18
'
,
'self_protection'
))
checklist
.
append
(
OptCheck
(
'X86_SMAP'
,
'y'
,
'
ubuntu18
'
,
'self_protection'
))
checklist
.
append
(
OptCheck
(
'X86_INTEL_UMIP'
,
'y'
,
'
ubuntu18
'
,
'self_protection'
))
checklist
.
append
(
OR
(
OptCheck
(
'STRICT_KERNEL_RWX'
,
'y'
,
'
ubuntu18
'
,
'self_protection'
),
\
OptCheck
(
'DEBUG_RODATA'
,
'y'
,
'
before_v4.11'
,
'self_protection'
)))
checklist
.
append
(
OptCheck
(
'BUG'
,
'y'
,
'
defconfig
'
,
'self_protection'
))
checklist
.
append
(
OptCheck
(
'PAGE_TABLE_ISOLATION'
,
'y'
,
'
defconfig
'
,
'self_protection'
))
checklist
.
append
(
OptCheck
(
'RETPOLINE'
,
'y'
,
'
defconfig
'
,
'self_protection'
))
checklist
.
append
(
OptCheck
(
'X86_64'
,
'y'
,
'
defconfig
'
,
'self_protection'
))
checklist
.
append
(
OptCheck
(
'X86_SMAP'
,
'y'
,
'
defconfig
'
,
'self_protection'
))
checklist
.
append
(
OptCheck
(
'X86_INTEL_UMIP'
,
'y'
,
'
defconfig
'
,
'self_protection'
))
checklist
.
append
(
OR
(
OptCheck
(
'STRICT_KERNEL_RWX'
,
'y'
,
'
defconfig
'
,
'self_protection'
),
\
OptCheck
(
'DEBUG_RODATA'
,
'y'
,
'
defconfig'
,
'self_protection'
)))
# before v4.11
checklist
.
append
(
OptCheck
(
'DEBUG_WX'
,
'y'
,
'ubuntu18'
,
'self_protection'
))
checklist
.
append
(
OptCheck
(
'RANDOMIZE_BASE'
,
'y'
,
'
ubuntu18
'
,
'self_protection'
))
checklist
.
append
(
OptCheck
(
'RANDOMIZE_MEMORY'
,
'y'
,
'
ubuntu18
'
,
'self_protection'
))
checklist
.
append
(
OR
(
OptCheck
(
'STACKPROTECTOR_STRONG'
,
'y'
,
'
ubuntu18
'
,
'self_protection'
),
\
OptCheck
(
'CC_STACKPROTECTOR_STRONG'
,
'y'
,
'
ubuntu18
'
,
'self_protection'
)))
checklist
.
append
(
OptCheck
(
'VMAP_STACK'
,
'y'
,
'
ubuntu18
'
,
'self_protection'
))
checklist
.
append
(
OptCheck
(
'THREAD_INFO_IN_TASK'
,
'y'
,
'
ubuntu18
'
,
'self_protection'
))
checklist
.
append
(
OptCheck
(
'RANDOMIZE_BASE'
,
'y'
,
'
defconfig
'
,
'self_protection'
))
checklist
.
append
(
OptCheck
(
'RANDOMIZE_MEMORY'
,
'y'
,
'
defconfig
'
,
'self_protection'
))
checklist
.
append
(
OR
(
OptCheck
(
'STACKPROTECTOR_STRONG'
,
'y'
,
'
defconfig
'
,
'self_protection'
),
\
OptCheck
(
'CC_STACKPROTECTOR_STRONG'
,
'y'
,
'
defconfig
'
,
'self_protection'
)))
checklist
.
append
(
OptCheck
(
'VMAP_STACK'
,
'y'
,
'
defconfig
'
,
'self_protection'
))
checklist
.
append
(
OptCheck
(
'THREAD_INFO_IN_TASK'
,
'y'
,
'
defconfig
'
,
'self_protection'
))
checklist
.
append
(
OptCheck
(
'SCHED_STACK_END_CHECK'
,
'y'
,
'ubuntu18'
,
'self_protection'
))
checklist
.
append
(
OptCheck
(
'SLUB_DEBUG'
,
'y'
,
'
ubuntu18
'
,
'self_protection'
))
checklist
.
append
(
OptCheck
(
'SLUB_DEBUG'
,
'y'
,
'
defconfig
'
,
'self_protection'
))
checklist
.
append
(
OptCheck
(
'SLAB_FREELIST_HARDENED'
,
'y'
,
'ubuntu18'
,
'self_protection'
))
checklist
.
append
(
OptCheck
(
'SLAB_FREELIST_RANDOM'
,
'y'
,
'ubuntu18'
,
'self_protection'
))
checklist
.
append
(
OptCheck
(
'HARDENED_USERCOPY'
,
'y'
,
'ubuntu18'
,
'self_protection'
))
checklist
.
append
(
OptCheck
(
'FORTIFY_SOURCE'
,
'y'
,
'ubuntu18'
,
'self_protection'
))
checklist
.
append
(
OptCheck
(
'LOCK_DOWN_KERNEL'
,
'y'
,
'ubuntu18'
,
'self_protection'
))
# remember about LOCK_DOWN_MANDATORY
checklist
.
append
(
OR
(
OptCheck
(
'STRICT_MODULE_RWX'
,
'y'
,
'
ubuntu18
'
,
'self_protection'
),
\
OptCheck
(
'DEBUG_SET_MODULE_RONX'
,
'y'
,
'
before_v4.11
'
,
'self_protection'
),
\
modules_not_set
))
checklist
.
append
(
OR
(
OptCheck
(
'STRICT_MODULE_RWX'
,
'y'
,
'
defconfig
'
,
'self_protection'
),
\
OptCheck
(
'DEBUG_SET_MODULE_RONX'
,
'y'
,
'
defconfig
'
,
'self_protection'
),
\
modules_not_set
))
# DEBUG_SET_MODULE_RONX was before v4.11
checklist
.
append
(
OR
(
OptCheck
(
'MODULE_SIG'
,
'y'
,
'ubuntu18'
,
'self_protection'
),
\
modules_not_set
))
checklist
.
append
(
OR
(
OptCheck
(
'MODULE_SIG_ALL'
,
'y'
,
'ubuntu18'
,
'self_protection'
),
\
modules_not_set
))
checklist
.
append
(
OR
(
OptCheck
(
'MODULE_SIG_SHA512'
,
'y'
,
'ubuntu18'
,
'self_protection'
),
\
modules_not_set
))
checklist
.
append
(
OptCheck
(
'SYN_COOKIES'
,
'y'
,
'
ubuntu18
'
,
'self_protection'
))
# another reason?
checklist
.
append
(
OptCheck
(
'SYN_COOKIES'
,
'y'
,
'
defconfig
'
,
'self_protection'
))
# another reason?
checklist
.
append
(
OptCheck
(
'DEFAULT_MMAP_MIN_ADDR'
,
'65536'
,
'ubuntu18'
,
'self_protection'
))
checklist
.
append
(
OptCheck
(
'BUG_ON_DATA_CORRUPTION'
,
'y'
,
'kspp'
,
'self_protection'
))
...
...
@@ -170,14 +170,15 @@ def construct_checklist():
checklist
.
append
(
OptCheck
(
'PAGE_POISONING_ZERO'
,
'is not set'
,
'my'
,
'self_protection'
))
checklist
.
append
(
OptCheck
(
'SLAB_MERGE_DEFAULT'
,
'is not set'
,
'my'
,
'self_protection'
))
# slab_nomerge
checklist
.
append
(
OptCheck
(
'SECURITY'
,
'y'
,
'
ubuntu18
'
,
'security_policy'
))
checklist
.
append
(
OptCheck
(
'SECURITY'
,
'y'
,
'
defconfig
'
,
'security_policy'
))
checklist
.
append
(
OptCheck
(
'SECURITY_YAMA'
,
'y'
,
'ubuntu18'
,
'security_policy'
))
checklist
.
append
(
OptCheck
(
'SECURITY_SELINUX_DISABLE'
,
'is not set'
,
'ubuntu18'
,
'security_policy'
))
checklist
.
append
(
OptCheck
(
'SECCOMP'
,
'y'
,
'
ubuntu18
'
,
'cut_attack_surface'
))
checklist
.
append
(
OptCheck
(
'SECCOMP_FILTER'
,
'y'
,
'
ubuntu18
'
,
'cut_attack_surface'
))
checklist
.
append
(
OR
(
OptCheck
(
'STRICT_DEVMEM'
,
'y'
,
'
ubuntu18
'
,
'cut_attack_surface'
),
\
checklist
.
append
(
OptCheck
(
'SECCOMP'
,
'y'
,
'
defconfig
'
,
'cut_attack_surface'
))
checklist
.
append
(
OptCheck
(
'SECCOMP_FILTER'
,
'y'
,
'
defconfig
'
,
'cut_attack_surface'
))
checklist
.
append
(
OR
(
OptCheck
(
'STRICT_DEVMEM'
,
'y'
,
'
defconfig
'
,
'cut_attack_surface'
),
\
devmem_not_set
))
# refers to LOCK_DOWN_KERNEL
checklist
.
append
(
OptCheck
(
'ACPI_CUSTOM_METHOD'
,
'is not set'
,
'ubuntu18'
,
'cut_attack_surface'
))
# refers to LOCK_DOWN_KERNEL
checklist
.
append
(
OptCheck
(
'COMPAT_BRK'
,
'is not set'
,
'ubuntu18'
,
'cut_attack_surface'
))
checklist
.
append
(
OptCheck
(
'DEVKMEM'
,
'is not set'
,
'ubuntu18'
,
'cut_attack_surface'
))
...
...
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