From 6df376e63dd5f3f0fc7e82bb221e719aea4c166b Mon Sep 17 00:00:00 2001 From: Alexander Popov Date: Sat, 11 Nov 2023 18:13:19 +0300 Subject: [PATCH] Add a comment about 'kernel.modules_disabled' --- kernel_hardening_checker/checks.py | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/kernel_hardening_checker/checks.py b/kernel_hardening_checker/checks.py index 96da656..f7c786d 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 -# kernel.modules_disabled=1 # nosmt sysfs control file # vm.mmap_rnd_bits=max (?) # kernel.sysrq=0 @@ -609,6 +608,8 @@ def add_sysctl_checks(l, arch): # At first, it disabled unprivileged userfaultfd, # and since v5.11 it enables unprivileged userfaultfd for user-mode only. +# l += [SysctlCheck('cut_attack_surface', 'clipos', 'kernel.modules_disabled', '1')] # radical, but may be useful in some cases + l += [SysctlCheck('harden_userspace', 'kspp', 'fs.protected_symlinks', '1')] l += [SysctlCheck('harden_userspace', 'kspp', 'fs.protected_hardlinks', '1')] l += [SysctlCheck('harden_userspace', 'kspp', 'fs.protected_fifos', '2')] -- 2.31.1