From: Alexander Popov <alex.popov@linux.com>
Date: Tue, 17 Oct 2023 16:07:00 +0000 (+0300)
Subject: Add the 'fs.protected_symlinks' check
X-Git-Tag: v0.6.6~60
X-Git-Url: https://jxself.org/git/?a=commitdiff_plain;h=75d090b4452a12cd59dae167eb1ab52acd2d4d8e;p=kconfig-hardened-check.git

Add the 'fs.protected_symlinks' check
---

diff --git a/kernel_hardening_checker/checks.py b/kernel_hardening_checker/checks.py
index b501049..cb50908 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_symlinks=1
 #    fs.protected_hardlinks=1
 #    fs.protected_fifos=2
 #    fs.protected_regular=2
@@ -615,3 +614,5 @@ def add_sysctl_checks(l, arch):
     l += [SysctlCheck('cut_attack_surface', 'kspp', 'vm.unprivileged_userfaultfd', '0')]
           # At first, it disabled unprivileged userfaultfd,
           # and since v5.11 it enables unprivileged userfaultfd for user-mode only.
+
+    l += [SysctlCheck('harden_userspace', 'kspp', 'fs.protected_symlinks', '1')]