Restore the `dev.tty.legacy_tiocsti` check

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

diff --git a/kernel_hardening_checker/checks.py b/kernel_hardening_checker/checks.py
index 4b5dee6c5dbcb50502ddb5be64b4405745a135c4..9093b9b014d89e41b583512b47bb2b2e5ec20795 100644 (file)
--- a/kernel_hardening_checker/checks.py
+++ b/kernel_hardening_checker/checks.py
@@ -663,8 +663,9 @@ 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'),
                  have_config_file))]
@@ -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))]