From e535f514ea058276a71106e52f5e18f4ed0eec37 Mon Sep 17 00:00:00 2001 From: Alexander Popov Date: Tue, 17 Oct 2023 19:24:25 +0300 Subject: [PATCH] Add the 'fs.suid_dumpable' check --- kernel_hardening_checker/checks.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel_hardening_checker/checks.py b/kernel_hardening_checker/checks.py index 8e754c0..ca829a3 100644 --- a/kernel_hardening_checker/checks.py +++ b/kernel_hardening_checker/checks.py @@ -580,7 +580,6 @@ def normalize_cmdline_options(option, value): # TODO: draft of security hardening sysctls: # what about bpf_jit_enable? # vm.mmap_min_addr has a good value -# fs.suid_dumpable=0 # kernel.modules_disabled=1 # kernel.randomize_va_space=2 # nosmt sysfs control file @@ -616,3 +615,4 @@ def add_sysctl_checks(l, arch): l += [SysctlCheck('harden_userspace', 'kspp', 'fs.protected_hardlinks', '1')] l += [SysctlCheck('harden_userspace', 'kspp', 'fs.protected_fifos', '2')] l += [SysctlCheck('harden_userspace', 'kspp', 'fs.protected_regular', '2')] + l += [SysctlCheck('harden_userspace', 'kspp', 'fs.suid_dumpable', '0')] -- 2.31.1