X-Git-Url: https://jxself.org/git/?a=blobdiff_plain;f=kernel_hardening_checker%2Fchecks.py;h=96da656bf14ad4368a0f7fcd0996a7961606dfc3;hb=388332cf000255ff830c62e7fc926025d9932349;hp=0a10ae770ff446568e775a4710cefaab4d4212d7;hpb=1473f22e40700791bbd4c80d742a440a9e53a674;p=kconfig-hardened-check.git diff --git a/kernel_hardening_checker/checks.py b/kernel_hardening_checker/checks.py index 0a10ae7..96da656 100644 --- a/kernel_hardening_checker/checks.py +++ b/kernel_hardening_checker/checks.py @@ -458,7 +458,6 @@ def add_cmdline_checks(l, arch): # 'self_protection', 'kspp' l += [CmdlineCheck('self_protection', 'kspp', 'mitigations', 'auto,nosmt')] - l += [CmdlineCheck('self_protection', 'kspp', 'nosmt', 'is present')] # slow (high performance penalty) l += [CmdlineCheck('self_protection', 'kspp', 'slab_merge', 'is not set')] # consequence of 'slab_nomerge' by kspp l += [CmdlineCheck('self_protection', 'kspp', 'slub_merge', 'is not set')] # consequence of 'slab_nomerge' by kspp l += [CmdlineCheck('self_protection', 'kspp', 'page_alloc.shuffle', '1')] @@ -507,6 +506,7 @@ def add_cmdline_checks(l, arch): CmdlineCheck('cut_attack_surface', 'defconfig', 'tsx', 'is not set')))] # 'cut_attack_surface', 'kspp' + l += [CmdlineCheck('cut_attack_surface', 'kspp', 'nosmt', 'is present')] # slow (high performance penalty) if arch == 'X86_64': l += [OR(CmdlineCheck('cut_attack_surface', 'kspp', 'vsyscall', 'none'), KconfigCheck('cut_attack_surface', 'kspp', 'X86_VSYSCALL_EMULATION', 'is not set'), @@ -604,7 +604,6 @@ def add_sysctl_checks(l, arch): l += [SysctlCheck('cut_attack_surface', 'kspp', 'dev.tty.ldisc_autoload', '0')] l += [SysctlCheck('cut_attack_surface', 'kspp', 'kernel.unprivileged_bpf_disabled', '1')] l += [SysctlCheck('cut_attack_surface', 'kspp', 'kernel.kptr_restrict', '2')] - l += [SysctlCheck('cut_attack_surface', 'kspp', 'kernel.yama.ptrace_scope', '3')] l += [SysctlCheck('cut_attack_surface', 'kspp', 'dev.tty.legacy_tiocsti', '0')] l += [SysctlCheck('cut_attack_surface', 'kspp', 'vm.unprivileged_userfaultfd', '0')] # At first, it disabled unprivileged userfaultfd, @@ -616,3 +615,4 @@ def add_sysctl_checks(l, arch): l += [SysctlCheck('harden_userspace', 'kspp', 'fs.protected_regular', '2')] l += [SysctlCheck('harden_userspace', 'kspp', 'fs.suid_dumpable', '0')] l += [SysctlCheck('harden_userspace', 'kspp', 'kernel.randomize_va_space', '2')] + l += [SysctlCheck('harden_userspace', 'kspp', 'kernel.yama.ptrace_scope', '3')]