From: Alexander Popov <alex.popov@linux.com>
Date: Tue, 17 Oct 2023 16:24:25 +0000 (+0300)
Subject: Add the 'fs.suid_dumpable' check
X-Git-Tag: v0.6.6~55
X-Git-Url: https://jxself.org/git/?a=commitdiff_plain;h=e535f514ea058276a71106e52f5e18f4ed0eec37;p=kconfig-hardened-check.git

Add the 'fs.suid_dumpable' check
---

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')]