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kernel-hardening-checker
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fact-depend
kernel-hardening-checker
Commits
60417eb5
Commit
60417eb5
authored
Jun 03, 2019
by
Alexander Popov
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Attribute some of my recommendations to CLIP OS
They have a bigger authority :) Refers to the issue #19 by @HacKurx
parent
ae2ba5a7
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kconfig-hardened-check.py
kconfig-hardened-check.py
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kconfig-hardened-check.py
View file @
60417eb5
...
...
@@ -240,7 +240,11 @@ def construct_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
(
OptCheck
(
'LOCK_DOWN_KERNEL'
,
'y'
,
'clipos'
,
'self_protection'
))
# remember about LOCK_DOWN_MANDATORY
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)
checklist
.
append
(
OptCheck
(
'SLAB_MERGE_DEFAULT'
,
'is not set'
,
'clipos'
,
'self_protection'
))
# slab_nomerge
checklist
.
append
(
AND
(
OptCheck
(
'GCC_PLUGIN_RANDSTRUCT_PERFORMANCE'
,
'is not set'
,
'clipos'
,
'self_protection'
),
\
randstruct_is_set
))
if
debug_mode
or
arch
==
'X86_64'
or
arch
==
'X86_32'
:
...
...
@@ -268,13 +272,9 @@ def construct_checklist(arch):
stackleak_is_set
))
checklist
.
append
(
AND
(
OptCheck
(
'STACKLEAK_RUNTIME_DISABLE'
,
'is not set'
,
'my'
,
'self_protection'
),
\
stackleak_is_set
))
checklist
.
append
(
OptCheck
(
'LOCK_DOWN_KERNEL'
,
'y'
,
'my'
,
'self_protection'
))
# remember about LOCK_DOWN_MANDATORY
checklist
.
append
(
OptCheck
(
'SLUB_DEBUG_ON'
,
'y'
,
'my'
,
'self_protection'
))
checklist
.
append
(
OptCheck
(
'SECURITY_DMESG_RESTRICT'
,
'y'
,
'my'
,
'self_protection'
))
checklist
.
append
(
OptCheck
(
'STATIC_USERMODEHELPER'
,
'y'
,
'my'
,
'self_protection'
))
# needs userspace support (systemd)
checklist
.
append
(
OptCheck
(
'SECURITY_LOADPIN'
,
'y'
,
'my'
,
'self_protection'
))
# needs userspace support
checklist
.
append
(
OptCheck
(
'RESET_ATTACK_MITIGATION'
,
'y'
,
'my'
,
'self_protection'
))
# needs userspace support (systemd)
checklist
.
append
(
OptCheck
(
'SLAB_MERGE_DEFAULT'
,
'is not set'
,
'my'
,
'self_protection'
))
# slab_nomerge
checklist
.
append
(
AND
(
OptCheck
(
'PAGE_POISONING_NO_SANITY'
,
'is not set'
,
'my'
,
'self_protection'
),
\
page_poisoning_is_set
))
checklist
.
append
(
AND
(
OptCheck
(
'PAGE_POISONING_ZERO'
,
'is not set'
,
'my'
,
'self_protection'
),
\
...
...
@@ -351,9 +351,9 @@ def construct_checklist(arch):
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'
))
checklist
.
append
(
OptCheck
(
'KEXEC_FILE'
,
'is not set'
,
'clipos'
,
'cut_attack_surface'
))
# refers to LOCK_DOWN_KERNEL (permissive)
checklist
.
append
(
OptCheck
(
'MMIOTRACE'
,
'is not set'
,
'my'
,
'cut_attack_surface'
))
# refers to LOCK_DOWN_KERNEL (permissive)
checklist
.
append
(
OptCheck
(
'KEXEC_FILE'
,
'is not set'
,
'my'
,
'cut_attack_surface'
))
# refers to LOCK_DOWN_KERNEL (permissive)
checklist
.
append
(
OptCheck
(
'LIVEPATCH'
,
'is not set'
,
'my'
,
'cut_attack_surface'
))
checklist
.
append
(
OptCheck
(
'USER_NS'
,
'is not set'
,
'my'
,
'cut_attack_surface'
))
# user.max_user_namespaces=0
checklist
.
append
(
OptCheck
(
'IP_DCCP'
,
'is not set'
,
'my'
,
'cut_attack_surface'
))
...
...
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