From ef29eb0ea77fab9f67d2dab5eb388bfcd0fbf160 Mon Sep 17 00:00:00 2001 From: Alexander Popov Date: Sat, 28 May 2022 20:58:57 +0300 Subject: [PATCH] Describe the cmdline checking support in README --- README.md | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/README.md b/README.md index 77addd3..9dc23a9 100644 --- a/README.md +++ b/README.md @@ -5,13 +5,13 @@ ## Motivation -There are plenty of security hardening options in the Linux kernel. A lot of them are +There are plenty of security hardening options for the Linux kernel. A lot of them are not enabled by the major distros. We have to enable these options ourselves to make our systems more secure. But nobody likes checking configs manually. So let the computers do their job! -__kconfig-hardened-check.py__ helps me to check the Linux kernel Kconfig option list +__kconfig-hardened-check.py__ helps me to check the Linux kernel options against my security hardening preferences, which are based on the - [KSPP recommended settings][1], @@ -20,6 +20,8 @@ against my security hardening preferences, which are based on the - [SECURITY_LOCKDOWN_LSM][5] patchset, - Direct feedback from Linux kernel maintainers (see [#38][6], [#53][15], [#54][16], [#62][17]). +This tool supports checking __Kconfig__ options and __kernel cmdline__ parameters. + I also created [__Linux Kernel Defence Map__][4] that is a graphical representation of the relationships between security hardening features and the corresponding vulnerability classes or exploitation techniques. @@ -49,6 +51,7 @@ Some Linux distributions also provide `kconfig-hardened-check` as a package. ``` usage: kconfig-hardened-check [-h] [--version] [-p {X86_64,X86_32,ARM64,ARM}] [-c CONFIG] + [-l CMDLINE] [-m {verbose,json,show_ok,show_fail}] A tool for checking the security hardening options of the Linux kernel @@ -59,7 +62,9 @@ optional arguments: -p {X86_64,X86_32,ARM64,ARM}, --print {X86_64,X86_32,ARM64,ARM} print security hardening preferences for the selected architecture -c CONFIG, --config CONFIG - check the kernel config file against these preferences + check the kernel kconfig file against these preferences + -l CMDLINE, --cmdline CMDLINE + check the kernel cmdline file against these preferences -m {verbose,json,show_ok,show_fail}, --mode {verbose,json,show_ok,show_fail} choose the report mode ``` -- 2.31.1