Skip to content

K
kernel-hardening-checker
Commit f72a3f55 by Alexander Popov
Options

Add the 'kernel.kptr_restrict' check

parent 547f6070
Showing with 1 additions and 1 deletions
kernel_hardening_checker/checks.py
...@@ -578,7 +578,6 @@ def normalize_cmdline_options(option, value): ...@@ -578,7 +578,6 @@ def normalize_cmdline_options(option, value):
# TODO: draft of security hardening sysctls: # TODO: draft of security hardening sysctls:
# kernel.kptr_restrict=2 (or 1?)
# kernel.yama.ptrace_scope=3 # kernel.yama.ptrace_scope=3
# what about bpf_jit_enable? # what about bpf_jit_enable?
# vm.unprivileged_userfaultfd=0 # vm.unprivileged_userfaultfd=0
...@@ -615,3 +614,4 @@ def add_sysctl_checks(l, arch): ...@@ -615,3 +614,4 @@ def add_sysctl_checks(l, arch):
l += [SysctlCheck('cut_attack_surface', 'kspp', 'user.max_user_namespaces', '0')] l += [SysctlCheck('cut_attack_surface', 'kspp', 'user.max_user_namespaces', '0')]
l += [SysctlCheck('cut_attack_surface', 'kspp', 'dev.tty.ldisc_autoload', '0')] l += [SysctlCheck('cut_attack_surface', 'kspp', 'dev.tty.ldisc_autoload', '0')]
l += [SysctlCheck('cut_attack_surface', 'kspp', 'kernel.unprivileged_bpf_disabled', '1')] l += [SysctlCheck('cut_attack_surface', 'kspp', 'kernel.unprivileged_bpf_disabled', '1')]
l += [SysctlCheck('cut_attack_surface', 'kspp', 'kernel.kptr_restrict', '2')]
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment