From aa8a28b35bc55a7abfa1e52d0727c68555811c1f Mon Sep 17 00:00:00 2001 From: Alexander Popov Date: Tue, 17 Oct 2023 19:07:41 +0300 Subject: [PATCH] Add the 'fs.protected_hardlinks' 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 cb50908..12c8afa 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.protected_hardlinks=1 # fs.protected_fifos=2 # fs.protected_regular=2 # fs.suid_dumpable=0 @@ -616,3 +615,4 @@ def add_sysctl_checks(l, arch): # and since v5.11 it enables unprivileged userfaultfd for user-mode only. l += [SysctlCheck('harden_userspace', 'kspp', 'fs.protected_symlinks', '1')] + l += [SysctlCheck('harden_userspace', 'kspp', 'fs.protected_hardlinks', '1')] -- 2.31.1