X-Git-Url: https://jxself.org/git/?a=blobdiff_plain;f=kernel_hardening_checker%2Fchecks.py;h=a1fb941ea5dbd5c7710d245cafe02339095c6f31;hb=b7fd998a9cfa6c25fad3a530a15d5ac9a9bf8c83;hp=4b5dee6c5dbcb50502ddb5be64b4405745a135c4;hpb=7a85a7fddae52572d2cc3f51b7d2f1696b69b94a;p=kconfig-hardened-check.git diff --git a/kernel_hardening_checker/checks.py b/kernel_hardening_checker/checks.py index 4b5dee6..a1fb941 100644 --- a/kernel_hardening_checker/checks.py +++ b/kernel_hardening_checker/checks.py @@ -663,10 +663,11 @@ def add_sysctl_checks(l, _arch): # Calling the SysctlCheck class constructor: # SysctlCheck(reason, decision, name, expected) - # use an omnipresent config symbol to see if we have a config file - have_config_file = KconfigCheck('-', '-', 'DEFAULT_INIT', 'is present') + # Use an omnipresent kconfig symbol to see if we have a kconfig file for checking + have_config_file = KconfigCheck('-', '-', 'LOCALVERSION', 'is present') + l += [OR(SysctlCheck('self_protection', 'kspp', 'net.core.bpf_jit_harden', '2'), - AND(KconfigCheck('cut_attack_surface', 'kspp', 'BPF_JIT', 'is not set'), + AND(KconfigCheck('-', '-', 'BPF_JIT', 'is not set'), have_config_file))] l += [SysctlCheck('cut_attack_surface', 'kspp', 'kernel.dmesg_restrict', '1')] @@ -680,8 +681,7 @@ def add_sysctl_checks(l, _arch): AND(KconfigCheck('cut_attack_surface', 'lockdown', 'BPF_SYSCALL', 'is not set'), have_config_file))] l += [SysctlCheck('cut_attack_surface', 'kspp', 'kernel.kptr_restrict', '2')] - l += [OR(SysctlCheck('cut_attack_surface', 'kspp', 'dev.tty.legacy_tiocsti', '0'), - SysctlCheck('cut_attack_surface', 'kspp', 'dev.tty.legacy_tiocsti', 'is not set'))] + l += [SysctlCheck('cut_attack_surface', 'kspp', 'dev.tty.legacy_tiocsti', '0')] l += [OR(SysctlCheck('cut_attack_surface', 'kspp', 'vm.unprivileged_userfaultfd', '0'), AND(KconfigCheck('cut_attack_surface', 'grsec', 'USERFAULTFD', 'is not set'), have_config_file))]