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scap-security-guide/SOURCES/scap-security-guide-0.1.61-grub2_template_fix-PR_8180.patch
CentOS Sources 322d963314 import scap-security-guide-0.1.60-3.el8
2022-02-18 14:18:40 +00:00

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From 1bd88bbdc7ce8b6e2265f323cd3a777ef2240e6b Mon Sep 17 00:00:00 2001
From: Matej Tyc <matyc@redhat.com>
Date: Fri, 28 Jan 2022 17:11:56 +0100
Subject: [PATCH 1/5] Change the grub2 bootloader argument template
- Introduce the concept of product-specific bootloader config
properties that determine the check/remediation form.
- Expand the RHEL8 remediation with a check for update of
/etc/default/grub contents.
- Add a RHEL8 check that looks for kernelopts references in loader entries.
- Update tests.
---
.../grub2_entries_reference_kernelopts.xml | 25 +++++
.../ansible.template | 35 ++++++-
.../grub2_bootloader_argument/bash.template | 48 +++++++--
.../grub2_bootloader_argument/oval.template | 97 +++++++++++++------
.../arg_not_there_etcdefaultgrub.fail.sh | 2 +-
....fail.sh => arg_not_there_grubenv.fail.sh} | 0
6 files changed, 164 insertions(+), 43 deletions(-)
create mode 100644 shared/checks/oval/grub2_entries_reference_kernelopts.xml
rename shared/templates/grub2_bootloader_argument/tests/{arg_not_there.fail.sh => arg_not_there_grubenv.fail.sh} (100%)
diff --git a/shared/checks/oval/grub2_entries_reference_kernelopts.xml b/shared/checks/oval/grub2_entries_reference_kernelopts.xml
new file mode 100644
index 00000000000..1aec9fe64d2
--- /dev/null
+++ b/shared/checks/oval/grub2_entries_reference_kernelopts.xml
@@ -0,0 +1,25 @@
+<def-group>
+ <definition class="compliance" id="grub2_entries_reference_kernelopts" version="2">
+ {{{ oval_metadata(
+ "Ensure that grubenv-defined kernel options are referenced in individual boot loader entries",
+ title="Use $kernelopts in /boot/loader/entries/*.conf",
+ affected_platforms=["multi_platform_all"]) }}}
+ <criteria operator="AND">
+ <criterion test_ref="test_grub2_entries_reference_kernelopts"
+ comment="check kernel command line parameters for referenced boot entries reference the $kernelopts variable." />
+ </criteria>
+ </definition>
+
+ <ind:textfilecontent54_test id="test_grub2_entries_reference_kernelopts"
+ comment="check kernel command line parameters for referenced boot entries reference the $kernelopts variable."
+ check="all" check_existence="all_exist" version="1">
+ <ind:object object_ref="object_grub2_entries_reference_kernelopts" />
+ </ind:textfilecontent54_test>
+
+ <ind:textfilecontent54_object id="object_grub2_entries_reference_kernelopts" version="1">
+ <ind:path>/boot/loader/entries/</ind:path>
+ <ind:filename operation="pattern match">^.*\.conf$</ind:filename>
+ <ind:pattern operation="pattern match">^options .*\b\$kernelopts\b.*$</ind:pattern>
+ <ind:instance datatype="int" operation="greater than or equal">1</ind:instance>
+ </ind:textfilecontent54_object>
+</def-group>
diff --git a/shared/templates/grub2_bootloader_argument/ansible.template b/shared/templates/grub2_bootloader_argument/ansible.template
index 58d4fab69fa..de970879c8f 100644
--- a/shared/templates/grub2_bootloader_argument/ansible.template
+++ b/shared/templates/grub2_bootloader_argument/ansible.template
@@ -4,7 +4,34 @@
# complexity = medium
# disruption = low
-{{% if product in ["rhel7", "ol7", "rhel9"] or 'ubuntu' in product %}}
+{{#
+ See the OVAL template for more comments.
+ Product-specific categorization should be synced across all template content types
+-#}}
+{{% set system_with_expanded_kernel_options_in_loader_entries = false -%}}
+{{% set system_with_referenced_kernel_options_in_loader_entries = false -%}}
+{{% set system_with_kernel_options_in_grubenv = false -%}}
+{{% set system_with_kernel_options_in_etc_default_grub = false -%}}
+{{% set system_with_expanded_kernel_options_in_grub_cfg = false -%}}
+
+{{% if product in ["rhel9"] %}}
+{{% set system_with_expanded_kernel_options_in_loader_entries = true %}}
+{{% endif -%}}
+
+{{% if product in ["rhel8"] %}}
+{{% set system_with_referenced_kernel_options_in_loader_entries = true %}}
+{{% set system_with_kernel_options_in_grubenv = true %}}
+{{% endif -%}}
+
+{{% if product in ["rhel7", "ol7"] or 'ubuntu' in product %}}
+{{% set system_with_expanded_kernel_options_in_grub_cfg = true %}}
+{{% endif -%}}
+
+{{% if product in ["rhel7", "ol7", "rhel8", "ol8", "rhel9"] or 'ubuntu' in product %}}
+{{% set system_with_kernel_options_in_etc_default_grub = true %}}
+{{% endif -%}}
+
+{{% if system_with_kernel_options_in_etc_default_grub -%}}
- name: Check {{{ ARG_NAME }}} argument exists
command: grep 'GRUB_CMDLINE_LINUX.*{{{ ARG_NAME }}}=' /etc/default/grub
failed_when: False
@@ -27,7 +54,9 @@
- name: Update bootloader menu
command: /sbin/grubby --update-kernel=ALL --args="{{{ ARG_NAME_VALUE }}}"
-{{% else %}}
+{{%- endif %}}
+
+{{% if system_with_kernel_options_in_grubenv -%}}
- name: Get current kernel parameters
ansible.builtin.shell:
@@ -50,4 +79,4 @@
when:
- kernelopts.rc != 0
-{{% endif %}}
+{{%- endif %}}
diff --git a/shared/templates/grub2_bootloader_argument/bash.template b/shared/templates/grub2_bootloader_argument/bash.template
index 631e686897e..817fd1fde23 100644
--- a/shared/templates/grub2_bootloader_argument/bash.template
+++ b/shared/templates/grub2_bootloader_argument/bash.template
@@ -1,6 +1,41 @@
# platform = multi_platform_rhel,multi_platform_fedora,multi_platform_ol,multi_platform_rhv,multi_platform_ubuntu,multi_platform_sle
+{{#
+ See the OVAL template for more comments.
+ Product-specific categorization should be synced across all template content types
+-#}}
-{{% if product in ["rhel7", "ol7", "rhel9"] or 'ubuntu' in product %}}
+{{% set system_with_expanded_kernel_options_in_loader_entries = false -%}}
+{{% set system_with_referenced_kernel_options_in_loader_entries = false -%}}
+{{% set system_with_kernel_options_in_grubenv = false -%}}
+{{% set system_with_kernel_options_in_etc_default_grub = false -%}}
+{{% set system_with_expanded_kernel_options_in_grub_cfg = false -%}}
+
+{{% if product in ["rhel9"] %}}
+{{% set system_with_expanded_kernel_options_in_loader_entries = true %}}
+{{% endif -%}}
+
+{{% if product in ["rhel8"] %}}
+{{% set system_with_referenced_kernel_options_in_loader_entries = true %}}
+{{% set system_with_kernel_options_in_grubenv = true %}}
+{{% endif -%}}
+
+{{% if product in ["rhel7", "ol7"] or 'ubuntu' in product %}}
+{{% set system_with_expanded_kernel_options_in_grub_cfg = true %}}
+{{% endif -%}}
+
+{{% if product in ["rhel7", "ol7", "rhel8", "ol8", "rhel9"] or 'ubuntu' in product %}}
+{{% set system_with_kernel_options_in_etc_default_grub = true %}}
+{{% endif -%}}
+
+{{% macro update_etc_default_grub(arg_name_value) %}}
+{{% if 'ubuntu' in product %}}
+update-grub
+{{% else %}}
+grubby --update-kernel=ALL --args="{{{ arg_name_value }}}"
+{{% endif %}}
+{{% endmacro -%}}
+
+{{% if system_with_kernel_options_in_etc_default_grub %}}
{{% if '/' in ARG_NAME %}}
{{{ raise("ARG_NAME (" + ARG_NAME + ") uses sed path separator (/) in " + rule_id) }}}
{{% elif '/' in ARG_NAME_VALUE %}}
@@ -14,14 +49,11 @@ else
# no {{{ ARG_NAME }}}=arg is present, append it
sed -i 's/\(^GRUB_CMDLINE_LINUX=".*\)"/\1 {{{ ARG_NAME_VALUE }}}"/' '/etc/default/grub'
fi
-
-{{% if 'ubuntu' in product %}}
-update-grub
-{{% else %}}
-# Correct the form of kernel command line for each installed kernel in the bootloader
-grubby --update-kernel=ALL --args="{{{ ARG_NAME_VALUE }}}"
{{% endif %}}
-{{% else %}}
+
+{{{ update_etc_default_grub(ARG_NAME_VALUE) }}}
+
+{{% if system_with_kernel_options_in_grubenv -%}}
# Correct grub2 kernelopts value using grub2-editenv
existing_kernelopts="$(grub2-editenv - list | grep kernelopts)"
if ! printf '%s' "$existing_kernelopts" | grep -qE '^kernelopts=(.*\s)?{{{ ARG_NAME_VALUE }}}(\s.*)?$'; then
diff --git a/shared/templates/grub2_bootloader_argument/oval.template b/shared/templates/grub2_bootloader_argument/oval.template
index 3ea8acb2910..24258a3bcbd 100644
--- a/shared/templates/grub2_bootloader_argument/oval.template
+++ b/shared/templates/grub2_bootloader_argument/oval.template
@@ -1,15 +1,53 @@
+{{#-
+ We set defaults to "off", and products should enable relevant ones depending on how the product configures grub.
+ - /boot/loader/entries/* may not exist don't exist
+ - If they exist, they can reference variables defined in grubenv, or they can contain literal args
+ - The grub cfg may either use those loader entries, or it can contain literal values as well
+ - Kernel opts can be stored in /etc/default/grub so they are persistent between kernel upgrades
+-#}}
+{{% set system_with_expanded_kernel_options_in_loader_entries = false -%}}
+{{% set system_with_referenced_kernel_options_in_loader_entries = false -%}}
+{{% set system_with_kernel_options_in_grubenv = false -%}}
+{{% set system_with_kernel_options_in_etc_default_grub = false -%}}
+{{% set system_with_expanded_kernel_options_in_grub_cfg = false -%}}
+
+{{% if product in ["rhel9"] -%}}
+{{% set system_with_expanded_kernel_options_in_loader_entries = true %}}
+{{%- endif -%}}
+
+{{% if product in ["rhel8"] -%}}
+{{% set system_with_referenced_kernel_options_in_loader_entries = true %}}
+{{% set system_with_kernel_options_in_grubenv = true %}}
+{{%- endif -%}}
+
+{{% if product in ["rhel7", "ol7"] or 'ubuntu' in product -%}}
+{{% set system_with_expanded_kernel_options_in_grub_cfg = true %}}
+{{%- endif -%}}
+
+{{%- if product in ["rhel7", "ol7", "rhel8", "ol8", "rhel9"] or 'ubuntu' in product %}}
+{{% set system_with_kernel_options_in_etc_default_grub = true %}}
+{{%- endif -%}}
+
<def-group>
<definition class="compliance" id="{{{ _RULE_ID }}}" version="2">
{{{ oval_metadata("Ensure " + ARG_NAME_VALUE + " is configured in the kernel line in /etc/default/grub.") }}}
<criteria operator="AND">
- {{% if product in ["rhel7", "ol7", "rhel9"] or 'ubuntu' in product %}}
- {{% if product in ['rhel9'] %}}
+ {{% if system_with_kernel_options_in_grubenv -%}}
+ <criterion test_ref="test_grub2_{{{ SANITIZED_ARG_NAME }}}_argument_grub_env"
+ comment="Check if {{{ ARG_NAME_VALUE }}} is present in the GRUB2 environment variable block in {{{ grub2_boot_path }}}/grubenv" />
+ {{%- endif %}}
+ {{% if system_with_referenced_kernel_options_in_loader_entries -%}}
+ <extend_definition comment="check kernel command line parameters for referenced boot entries reference the $kernelopts variable" definition_ref="grub2_entries_reference_kernelopts" />
+ {{%- endif %}}
+ {{% if system_with_expanded_kernel_options_in_loader_entries -%}}
<criterion test_ref="test_grub2_{{{ SANITIZED_ARG_NAME }}}_entries"
comment="Check if {{{ ARG_NAME_VALUE }}} is present in the boot parameters in the /boot/loader/entries/*.conf" />
- {{% else %}}
+ {{%- endif %}}
+ {{% if system_with_expanded_kernel_options_in_grub_cfg -%}}
<criterion test_ref="test_grub2_{{{ SANITIZED_ARG_NAME }}}_argument_grub_cfg"
comment="Check if {{{ ARG_NAME_VALUE }}} is present in the boot parameters in the {{{ grub2_boot_path }}}/grub.cfg for all kernels" />
- {{% endif %}}
+ {{%- endif %}}
+ {{% if system_with_kernel_options_in_etc_default_grub -%}}
<criteria operator="OR">
<criterion test_ref="test_grub2_{{{ SANITIZED_ARG_NAME }}}_argument"
comment="check for {{{ ARG_NAME_VALUE }}} in /etc/default/grub via GRUB_CMDLINE_LINUX" />
@@ -20,14 +58,11 @@
comment="Check GRUB_DISABLE_RECOVERY=true in /etc/default/grub" />
</criteria>
</criteria>
- {{% else %}}
- <criterion test_ref="test_grub2_{{{ SANITIZED_ARG_NAME }}}_argument_grub_env"
- comment="Check if {{{ ARG_NAME_VALUE }}} is present in the GRUB2 environment variable block in {{{ grub2_boot_path }}}/grubenv" />
- {{% endif %}}
+ {{%- endif %}}
</criteria>
</definition>
-{{% if product in ["rhel7", "ol7", "rhel9"] or 'ubuntu' in product %}}
+{{%- if system_with_kernel_options_in_etc_default_grub %}}
<ind:textfilecontent54_test id="test_grub2_{{{ SANITIZED_ARG_NAME }}}_argument"
comment="check for {{{ ARG_NAME_VALUE }}} in /etc/default/grub via GRUB_CMDLINE_LINUX"
check="all" check_existence="all_exist" version="1">
@@ -54,8 +89,25 @@
<ind:pattern operation="pattern match">^\s*GRUB_CMDLINE_LINUX_DEFAULT="(.*)"$</ind:pattern>
<ind:instance datatype="int" operation="greater than or equal">1</ind:instance>
</ind:textfilecontent54_object>
+{{%- endif %}}
+
+{{%- if system_with_kernel_options_in_grubenv %}}
+ <ind:textfilecontent54_test id="test_grub2_{{{ SANITIZED_ARG_NAME }}}_argument_grub_env"
+ comment="check for kernel command line parameters {{{ ARG_NAME_VALUE }}} in {{{ grub2_boot_path }}}/grubenv for all kernels"
+ check="all" check_existence="all_exist" version="1">
+ <ind:object object_ref="object_grub2_{{{ SANITIZED_ARG_NAME }}}_argument_grub_env" />
+ <ind:state state_ref="state_grub2_{{{ SANITIZED_ARG_NAME }}}_argument" />
+ </ind:textfilecontent54_test>
- {{% if product in ["rhel9"] %}}
+ <ind:textfilecontent54_object id="object_grub2_{{{ SANITIZED_ARG_NAME }}}_argument_grub_env"
+ version="1">
+ <ind:filepath>{{{ grub2_boot_path }}}/grubenv</ind:filepath>
+ <ind:pattern operation="pattern match">^kernelopts=(.*)$</ind:pattern>
+ <ind:instance datatype="int" operation="greater than or equal">1</ind:instance>
+ </ind:textfilecontent54_object>
+{{%- endif %}}
+
+{{%- if system_with_expanded_kernel_options_in_loader_entries %}}
<ind:textfilecontent54_test id="test_grub2_{{{ SANITIZED_ARG_NAME }}}_entries"
comment="check kernel command line parameters for {{{ ARG_NAME_VALUE }}} for all boot entries."
check="all" check_existence="all_exist" version="1">
@@ -69,7 +121,9 @@
<ind:pattern operation="pattern match">^options (.*)$</ind:pattern>
<ind:instance datatype="int" operation="greater than or equal">1</ind:instance>
</ind:textfilecontent54_object>
- {{% else %}}
+{{%- endif %}}
+
+{{%- if system_with_expanded_kernel_options_in_grub_cfg %}}
<ind:textfilecontent54_test id="test_grub2_{{{ SANITIZED_ARG_NAME }}}_argument_grub_cfg"
comment="check kernel command line parameters for {{{ ARG_NAME_VALUE }}} in {{{ grub2_boot_path }}}/grub.cfg for all kernels"
check="all" check_existence="all_exist" version="1">
@@ -87,26 +141,7 @@
{{% endif %}}
<ind:instance datatype="int" operation="greater than or equal">1</ind:instance>
</ind:textfilecontent54_object>
-
- {{% endif %}}
-
-{{% else %}}
-
- <ind:textfilecontent54_test id="test_grub2_{{{ SANITIZED_ARG_NAME }}}_argument_grub_env"
- comment="check forkernel command line parameters {{{ ARG_NAME_VALUE }}} in {{{ grub2_boot_path }}}/grubenv for all kernels"
- check="all" check_existence="all_exist" version="1">
- <ind:object object_ref="object_grub2_{{{ SANITIZED_ARG_NAME }}}_argument_grub_env" />
- <ind:state state_ref="state_grub2_{{{ SANITIZED_ARG_NAME }}}_argument" />
- </ind:textfilecontent54_test>
-
- <ind:textfilecontent54_object id="object_grub2_{{{ SANITIZED_ARG_NAME }}}_argument_grub_env"
- version="1">
- <ind:filepath>{{{ grub2_boot_path }}}/grubenv</ind:filepath>
- <ind:pattern operation="pattern match">^kernelopts=(.*)$</ind:pattern>
- <ind:instance datatype="int" operation="greater than or equal">1</ind:instance>
- </ind:textfilecontent54_object>
-
-{{% endif %}}
+{{%- endif %}}
<ind:textfilecontent54_state id="state_grub2_{{{ SANITIZED_ARG_NAME }}}_argument"
version="1">
diff --git a/shared/templates/grub2_bootloader_argument/tests/arg_not_there_etcdefaultgrub.fail.sh b/shared/templates/grub2_bootloader_argument/tests/arg_not_there_etcdefaultgrub.fail.sh
index a56e6d09235..a270be45952 100644
--- a/shared/templates/grub2_bootloader_argument/tests/arg_not_there_etcdefaultgrub.fail.sh
+++ b/shared/templates/grub2_bootloader_argument/tests/arg_not_there_etcdefaultgrub.fail.sh
@@ -1,6 +1,6 @@
#!/bin/bash
-# platform = Red Hat Enterprise Linux 7,Red Hat Enterprise Linux 9
+# platform = Red Hat Enterprise Linux 7,Red Hat Enterprise Linux 8,Red Hat Enterprise Linux 9
# Removes argument from kernel command line in /etc/default/grub
if grep -q '^GRUB_CMDLINE_LINUX=.*{{{ARG_NAME}}}=.*"' '/etc/default/grub' ; then
diff --git a/shared/templates/grub2_bootloader_argument/tests/arg_not_there.fail.sh b/shared/templates/grub2_bootloader_argument/tests/arg_not_there_grubenv.fail.sh
similarity index 100%
rename from shared/templates/grub2_bootloader_argument/tests/arg_not_there.fail.sh
rename to shared/templates/grub2_bootloader_argument/tests/arg_not_there_grubenv.fail.sh
From 0d10bf751d5e1d7f024cd7301f8b02b38c0e3b9c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mat=C4=9Bj=20T=C3=BD=C4=8D?= <matyc@redhat.com>
Date: Wed, 9 Feb 2022 11:19:06 +0100
Subject: [PATCH 2/5] Change the default product setting
Assume that every product stores kernel opts in the /etc/default/grub
---
shared/templates/grub2_bootloader_argument/ansible.template | 6 +-----
shared/templates/grub2_bootloader_argument/bash.template | 6 +-----
shared/templates/grub2_bootloader_argument/oval.template | 6 +-----
3 files changed, 3 insertions(+), 15 deletions(-)
diff --git a/shared/templates/grub2_bootloader_argument/ansible.template b/shared/templates/grub2_bootloader_argument/ansible.template
index de970879c8f..46de9b465c2 100644
--- a/shared/templates/grub2_bootloader_argument/ansible.template
+++ b/shared/templates/grub2_bootloader_argument/ansible.template
@@ -11,7 +11,7 @@
{{% set system_with_expanded_kernel_options_in_loader_entries = false -%}}
{{% set system_with_referenced_kernel_options_in_loader_entries = false -%}}
{{% set system_with_kernel_options_in_grubenv = false -%}}
-{{% set system_with_kernel_options_in_etc_default_grub = false -%}}
+{{% set system_with_kernel_options_in_etc_default_grub = true -%}}
{{% set system_with_expanded_kernel_options_in_grub_cfg = false -%}}
{{% if product in ["rhel9"] %}}
@@ -27,10 +27,6 @@
{{% set system_with_expanded_kernel_options_in_grub_cfg = true %}}
{{% endif -%}}
-{{% if product in ["rhel7", "ol7", "rhel8", "ol8", "rhel9"] or 'ubuntu' in product %}}
-{{% set system_with_kernel_options_in_etc_default_grub = true %}}
-{{% endif -%}}
-
{{% if system_with_kernel_options_in_etc_default_grub -%}}
- name: Check {{{ ARG_NAME }}} argument exists
command: grep 'GRUB_CMDLINE_LINUX.*{{{ ARG_NAME }}}=' /etc/default/grub
diff --git a/shared/templates/grub2_bootloader_argument/bash.template b/shared/templates/grub2_bootloader_argument/bash.template
index 817fd1fde23..b188d1e3689 100644
--- a/shared/templates/grub2_bootloader_argument/bash.template
+++ b/shared/templates/grub2_bootloader_argument/bash.template
@@ -7,7 +7,7 @@
{{% set system_with_expanded_kernel_options_in_loader_entries = false -%}}
{{% set system_with_referenced_kernel_options_in_loader_entries = false -%}}
{{% set system_with_kernel_options_in_grubenv = false -%}}
-{{% set system_with_kernel_options_in_etc_default_grub = false -%}}
+{{% set system_with_kernel_options_in_etc_default_grub = true -%}}
{{% set system_with_expanded_kernel_options_in_grub_cfg = false -%}}
{{% if product in ["rhel9"] %}}
@@ -23,10 +23,6 @@
{{% set system_with_expanded_kernel_options_in_grub_cfg = true %}}
{{% endif -%}}
-{{% if product in ["rhel7", "ol7", "rhel8", "ol8", "rhel9"] or 'ubuntu' in product %}}
-{{% set system_with_kernel_options_in_etc_default_grub = true %}}
-{{% endif -%}}
-
{{% macro update_etc_default_grub(arg_name_value) %}}
{{% if 'ubuntu' in product %}}
update-grub
diff --git a/shared/templates/grub2_bootloader_argument/oval.template b/shared/templates/grub2_bootloader_argument/oval.template
index 24258a3bcbd..88fa7b7a3ee 100644
--- a/shared/templates/grub2_bootloader_argument/oval.template
+++ b/shared/templates/grub2_bootloader_argument/oval.template
@@ -8,7 +8,7 @@
{{% set system_with_expanded_kernel_options_in_loader_entries = false -%}}
{{% set system_with_referenced_kernel_options_in_loader_entries = false -%}}
{{% set system_with_kernel_options_in_grubenv = false -%}}
-{{% set system_with_kernel_options_in_etc_default_grub = false -%}}
+{{% set system_with_kernel_options_in_etc_default_grub = true -%}}
{{% set system_with_expanded_kernel_options_in_grub_cfg = false -%}}
{{% if product in ["rhel9"] -%}}
@@ -24,10 +24,6 @@
{{% set system_with_expanded_kernel_options_in_grub_cfg = true %}}
{{%- endif -%}}
-{{%- if product in ["rhel7", "ol7", "rhel8", "ol8", "rhel9"] or 'ubuntu' in product %}}
-{{% set system_with_kernel_options_in_etc_default_grub = true %}}
-{{%- endif -%}}
-
<def-group>
<definition class="compliance" id="{{{ _RULE_ID }}}" version="2">
{{{ oval_metadata("Ensure " + ARG_NAME_VALUE + " is configured in the kernel line in /etc/default/grub.") }}}
From fac0aeb351d7acab1112482d11a0be73df662496 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mat=C4=9Bj=20T=C3=BD=C4=8D?= <matyc@redhat.com>
Date: Fri, 11 Feb 2022 14:55:53 +0100
Subject: [PATCH 3/5] Improve the template further
- Fix the $kernelopts regex - $ is not a word char.
- Use grubby exclusively on RHEL systems and structure remediations differently than OVAL checks
- Exclude the rescue.conf loader entry from checks, as it is not a boot entry for general use.
---
.../grub2_entries_reference_kernelopts.xml | 2 +-
.../ansible.template | 72 +------------------
.../grub2_bootloader_argument/bash.template | 67 +++++------------
.../grub2_bootloader_argument/oval.template | 7 +-
.../tests/invalid_rescue.pass.sh | 6 ++
tests/test_rule_in_container.sh | 2 +-
6 files changed, 33 insertions(+), 123 deletions(-)
create mode 100644 shared/templates/grub2_bootloader_argument/tests/invalid_rescue.pass.sh
diff --git a/shared/checks/oval/grub2_entries_reference_kernelopts.xml b/shared/checks/oval/grub2_entries_reference_kernelopts.xml
index 1aec9fe64d2..30f3965a037 100644
--- a/shared/checks/oval/grub2_entries_reference_kernelopts.xml
+++ b/shared/checks/oval/grub2_entries_reference_kernelopts.xml
@@ -19,7 +19,7 @@
<ind:textfilecontent54_object id="object_grub2_entries_reference_kernelopts" version="1">
<ind:path>/boot/loader/entries/</ind:path>
<ind:filename operation="pattern match">^.*\.conf$</ind:filename>
- <ind:pattern operation="pattern match">^options .*\b\$kernelopts\b.*$</ind:pattern>
+ <ind:pattern operation="pattern match">^options(?:\s+.*)?\s+\$kernelopts\b.*$</ind:pattern>
<ind:instance datatype="int" operation="greater than or equal">1</ind:instance>
</ind:textfilecontent54_object>
</def-group>
diff --git a/shared/templates/grub2_bootloader_argument/ansible.template b/shared/templates/grub2_bootloader_argument/ansible.template
index 46de9b465c2..db3b4430d4b 100644
--- a/shared/templates/grub2_bootloader_argument/ansible.template
+++ b/shared/templates/grub2_bootloader_argument/ansible.template
@@ -4,75 +4,5 @@
# complexity = medium
# disruption = low
-{{#
- See the OVAL template for more comments.
- Product-specific categorization should be synced across all template content types
--#}}
-{{% set system_with_expanded_kernel_options_in_loader_entries = false -%}}
-{{% set system_with_referenced_kernel_options_in_loader_entries = false -%}}
-{{% set system_with_kernel_options_in_grubenv = false -%}}
-{{% set system_with_kernel_options_in_etc_default_grub = true -%}}
-{{% set system_with_expanded_kernel_options_in_grub_cfg = false -%}}
-
-{{% if product in ["rhel9"] %}}
-{{% set system_with_expanded_kernel_options_in_loader_entries = true %}}
-{{% endif -%}}
-
-{{% if product in ["rhel8"] %}}
-{{% set system_with_referenced_kernel_options_in_loader_entries = true %}}
-{{% set system_with_kernel_options_in_grubenv = true %}}
-{{% endif -%}}
-
-{{% if product in ["rhel7", "ol7"] or 'ubuntu' in product %}}
-{{% set system_with_expanded_kernel_options_in_grub_cfg = true %}}
-{{% endif -%}}
-
-{{% if system_with_kernel_options_in_etc_default_grub -%}}
-- name: Check {{{ ARG_NAME }}} argument exists
- command: grep 'GRUB_CMDLINE_LINUX.*{{{ ARG_NAME }}}=' /etc/default/grub
- failed_when: False
- register: argcheck
-
-- name: Replace existing {{{ ARG_NAME }}} argument
- replace:
- path: /etc/default/grub
- regexp: '{{{ ARG_NAME }}}=\w+'
- replace: '{{{ ARG_NAME_VALUE }}}'
- when: argcheck.rc == 0
-
-- name: Add {{{ ARG_NAME }}} argument
- replace:
- path: /etc/default/grub
- regexp: '(GRUB_CMDLINE_LINUX=.*)"'
- replace: '\1 {{{ ARG_NAME_VALUE }}}"'
- when: argcheck.rc != 0
-
-- name: Update bootloader menu
+- name: Update grub defaults and the bootloader menu
command: /sbin/grubby --update-kernel=ALL --args="{{{ ARG_NAME_VALUE }}}"
-
-{{%- endif %}}
-
-{{% if system_with_kernel_options_in_grubenv -%}}
-
-- name: Get current kernel parameters
- ansible.builtin.shell:
- cmd: '/usr/bin/grub2-editenv - list | grep "kernelopts="'
- register: kernelopts
- ignore_errors: yes
- changed_when: False
-
-- name: Update the bootloader menu
- command: /usr/bin/grub2-editenv - set "{{ item }} {{{ ARG_NAME_VALUE }}}"
- with_items: "{{ kernelopts.stdout_lines | select('match', '^kernelopts.*') | list }}"
- when:
- - kernelopts.rc == 0
- - kernelopts.stdout_lines is defined
- - kernelopts.stdout_lines | length > 0
- - kernelopts.stdout | regex_search('^kernelopts=(?:.*\s)?{{{ ARG_NAME_VALUE }}}(?:\s.*)?$', multiline=True) is none
-
-- name: Update the bootloader menu when there are no entries previously set
- command: /usr/bin/grub2-editenv - set "kernelopts={{{ ARG_NAME_VALUE }}}"
- when:
- - kernelopts.rc != 0
-
-{{%- endif %}}
diff --git a/shared/templates/grub2_bootloader_argument/bash.template b/shared/templates/grub2_bootloader_argument/bash.template
index b188d1e3689..5f97efd498f 100644
--- a/shared/templates/grub2_bootloader_argument/bash.template
+++ b/shared/templates/grub2_bootloader_argument/bash.template
@@ -4,59 +4,28 @@
Product-specific categorization should be synced across all template content types
-#}}
-{{% set system_with_expanded_kernel_options_in_loader_entries = false -%}}
-{{% set system_with_referenced_kernel_options_in_loader_entries = false -%}}
-{{% set system_with_kernel_options_in_grubenv = false -%}}
-{{% set system_with_kernel_options_in_etc_default_grub = true -%}}
-{{% set system_with_expanded_kernel_options_in_grub_cfg = false -%}}
+{{% set grub_helper_executable = "grubby" -%}}
+{{% set grub_helper_args = ["--update-kernel=ALL", "--args=" ~ ARG_NAME_VALUE] -%}}
-{{% if product in ["rhel9"] %}}
-{{% set system_with_expanded_kernel_options_in_loader_entries = true %}}
-{{% endif -%}}
-
-{{% if product in ["rhel8"] %}}
-{{% set system_with_referenced_kernel_options_in_loader_entries = true %}}
-{{% set system_with_kernel_options_in_grubenv = true %}}
-{{% endif -%}}
-
-{{% if product in ["rhel7", "ol7"] or 'ubuntu' in product %}}
-{{% set system_with_expanded_kernel_options_in_grub_cfg = true %}}
-{{% endif -%}}
-
-{{% macro update_etc_default_grub(arg_name_value) %}}
-{{% if 'ubuntu' in product %}}
-update-grub
-{{% else %}}
-grubby --update-kernel=ALL --args="{{{ arg_name_value }}}"
-{{% endif %}}
-{{% endmacro -%}}
-
-{{% if system_with_kernel_options_in_etc_default_grub %}}
-{{% if '/' in ARG_NAME %}}
-{{{ raise("ARG_NAME (" + ARG_NAME + ") uses sed path separator (/) in " + rule_id) }}}
-{{% elif '/' in ARG_NAME_VALUE %}}
-{{{ raise("ARG_NAME_VALUE (" + ARG_NAME_VALUE + ") uses sed path separator (/) in " + rule_id) }}}
-{{% endif %}}
+{{%- macro update_etc_default_grub_manually() -%}}
# Correct the form of default kernel command line in GRUB
if grep -q '^GRUB_CMDLINE_LINUX=.*{{{ ARG_NAME }}}=.*"' '/etc/default/grub' ; then
- # modify the GRUB command-line if an {{{ ARG_NAME }}}= arg already exists
- sed -i 's/\(^GRUB_CMDLINE_LINUX=".*\){{{ ARG_NAME }}}=[^[:space:]]*\(.*"\)/\1 {{{ ARG_NAME_VALUE }}} \2/' '/etc/default/grub'
+ # modify the GRUB command-line if an {{{ ARG_NAME }}}= arg already exists
+ sed -i 's/\(^GRUB_CMDLINE_LINUX=".*\){{{ ARG_NAME }}}=[^[:space:]]*\(.*"\)/\1 {{{ ARG_NAME_VALUE }}} \2/' '/etc/default/grub'
else
- # no {{{ ARG_NAME }}}=arg is present, append it
- sed -i 's/\(^GRUB_CMDLINE_LINUX=".*\)"/\1 {{{ ARG_NAME_VALUE }}}"/' '/etc/default/grub'
+ # no {{{ ARG_NAME }}}=arg is present, append it
+ sed -i 's/\(^GRUB_CMDLINE_LINUX=".*\)"/\1 {{{ ARG_NAME_VALUE }}}"/' '/etc/default/grub'
fi
-{{% endif %}}
+{{%- endmacro %}}
+
+{{% if 'ubuntu' in product %}}
+{{{ update_etc_default_grub_manually() }}}
+{{% set grub_helper_executable = "update-grub" -%}}
+{{% endif -%}}
-{{{ update_etc_default_grub(ARG_NAME_VALUE) }}}
+{{% if product in ["rhel8", "ol8"] %}}
+{{# Suppress the None output of append -#}}
+{{{ grub_helper_args.append("--env=/boot/grub2/grubenv") or "" -}}}
+{{% endif -%}}
-{{% if system_with_kernel_options_in_grubenv -%}}
-# Correct grub2 kernelopts value using grub2-editenv
-existing_kernelopts="$(grub2-editenv - list | grep kernelopts)"
-if ! printf '%s' "$existing_kernelopts" | grep -qE '^kernelopts=(.*\s)?{{{ ARG_NAME_VALUE }}}(\s.*)?$'; then
- if test -n "$existing_kernelopts"; then
- grub2-editenv - set "$existing_kernelopts {{{ ARG_NAME_VALUE }}}"
- else
- grub2-editenv - set "kernelopts={{{ ARG_NAME_VALUE }}}"
- fi
-fi
-{{% endif %}}
+{{{ grub_helper_executable }}} {{{ " ".join(grub_helper_args) }}}
diff --git a/shared/templates/grub2_bootloader_argument/oval.template b/shared/templates/grub2_bootloader_argument/oval.template
index 88fa7b7a3ee..6981cc14045 100644
--- a/shared/templates/grub2_bootloader_argument/oval.template
+++ b/shared/templates/grub2_bootloader_argument/oval.template
@@ -1,6 +1,6 @@
{{#-
We set defaults to "off", and products should enable relevant ones depending on how the product configures grub.
- - /boot/loader/entries/* may not exist don't exist
+ - /boot/loader/entries/* may not exist.
- If they exist, they can reference variables defined in grubenv, or they can contain literal args
- The grub cfg may either use those loader entries, or it can contain literal values as well
- Kernel opts can be stored in /etc/default/grub so they are persistent between kernel upgrades
@@ -116,7 +116,12 @@
<ind:filename operation="pattern match">^.*\.conf$</ind:filename>
<ind:pattern operation="pattern match">^options (.*)$</ind:pattern>
<ind:instance datatype="int" operation="greater than or equal">1</ind:instance>
+ <filter action="exclude">state_grub2_rescue_entry_for_{{{ _RULE_ID }}}</filter>
</ind:textfilecontent54_object>
+
+ <ind:textfilecontent54_state id="state_grub2_rescue_entry_for_{{{ _RULE_ID }}}" version="1">
+ <ind:filename>rescue.conf</ind:filename>
+ </ind:textfilecontent54_state>
{{%- endif %}}
{{%- if system_with_expanded_kernel_options_in_grub_cfg %}}
diff --git a/shared/templates/grub2_bootloader_argument/tests/invalid_rescue.pass.sh b/shared/templates/grub2_bootloader_argument/tests/invalid_rescue.pass.sh
new file mode 100644
index 00000000000..ee6e2c67f34
--- /dev/null
+++ b/shared/templates/grub2_bootloader_argument/tests/invalid_rescue.pass.sh
@@ -0,0 +1,6 @@
+# platform = Red Hat Enterprise Linux 7,Red Hat Enterprise Linux 9
+# packages = grub2,grubby
+
+{{{ grub2_bootloader_argument_remediation(ARG_NAME, ARG_NAME_VALUE) }}}
+
+echo "I am an invalid boot entry, but nobody should care, because I am rescue" > /boot/loader/entries/trololol-rescue.conf
diff --git a/tests/test_rule_in_container.sh b/tests/test_rule_in_container.sh
index 395fc4e856c..a8691ca7463 100755
--- a/tests/test_rule_in_container.sh
+++ b/tests/test_rule_in_container.sh
@@ -221,7 +221,7 @@ additional_args=()
test "$_arg_dontclean" = on && additional_args+=(--dontclean)
# Don't act on the default value.
-test -n "$_arg_scenarios" && additional_args+=(--scenario "'$_arg_scenarios'")
+test -n "$_arg_scenarios" && additional_args+=(--scenario "$_arg_scenarios")
test -n "$_arg_datastream" && additional_args+=(--datastream "$_arg_datastream")
From 8dda6030dea885c7c7e7e8f1024f5f2edf5bc36c Mon Sep 17 00:00:00 2001
From: Matej Tyc <matyc@redhat.com>
Date: Mon, 14 Feb 2022 13:45:09 +0100
Subject: [PATCH 4/5] Add support for checks of both BIOS/UEFI systems
---
.../grub2_bootloader_argument/oval.template | 57 +++++++++++++++----
1 file changed, 46 insertions(+), 11 deletions(-)
diff --git a/shared/templates/grub2_bootloader_argument/oval.template b/shared/templates/grub2_bootloader_argument/oval.template
index 6981cc14045..71367465663 100644
--- a/shared/templates/grub2_bootloader_argument/oval.template
+++ b/shared/templates/grub2_bootloader_argument/oval.template
@@ -10,6 +10,7 @@
{{% set system_with_kernel_options_in_grubenv = false -%}}
{{% set system_with_kernel_options_in_etc_default_grub = true -%}}
{{% set system_with_expanded_kernel_options_in_grub_cfg = false -%}}
+{{% set system_with_bios_and_uefi_support = false -%}}
{{% if product in ["rhel9"] -%}}
{{% set system_with_expanded_kernel_options_in_loader_entries = true %}}
@@ -24,13 +25,25 @@
{{% set system_with_expanded_kernel_options_in_grub_cfg = true %}}
{{%- endif -%}}
+{{% if grub2_uefi_boot_path and grub2_uefi_boot_path != grub2_boot_path -%}}
+{{% set system_with_bios_and_uefi_support = true %}}
+{{%- endif -%}}
+
<def-group>
<definition class="compliance" id="{{{ _RULE_ID }}}" version="2">
{{{ oval_metadata("Ensure " + ARG_NAME_VALUE + " is configured in the kernel line in /etc/default/grub.") }}}
<criteria operator="AND">
{{% if system_with_kernel_options_in_grubenv -%}}
+ {{% if system_with_bios_and_uefi_support -%}}
+ <criteria operator="OR">
+ {{%- endif %}}
<criterion test_ref="test_grub2_{{{ SANITIZED_ARG_NAME }}}_argument_grub_env"
comment="Check if {{{ ARG_NAME_VALUE }}} is present in the GRUB2 environment variable block in {{{ grub2_boot_path }}}/grubenv" />
+ {{% if system_with_bios_and_uefi_support -%}}
+ <criterion test_ref="test_grub2_{{{ SANITIZED_ARG_NAME }}}_argument_grub_env_uefi"
+ comment="Check if {{{ ARG_NAME_VALUE }}} is present in the GRUB2 environment variable block in {{{ grub2_uefi_boot_path }}}/grubenv" />
+ </criteria>
+ {{%- endif %}}
{{%- endif %}}
{{% if system_with_referenced_kernel_options_in_loader_entries -%}}
<extend_definition comment="check kernel command line parameters for referenced boot entries reference the $kernelopts variable" definition_ref="grub2_entries_reference_kernelopts" />
@@ -40,8 +53,16 @@
comment="Check if {{{ ARG_NAME_VALUE }}} is present in the boot parameters in the /boot/loader/entries/*.conf" />
{{%- endif %}}
{{% if system_with_expanded_kernel_options_in_grub_cfg -%}}
+ {{% if system_with_bios_and_uefi_support -%}}
+ <criteria operator="OR">
+ {{%- endif %}}
<criterion test_ref="test_grub2_{{{ SANITIZED_ARG_NAME }}}_argument_grub_cfg"
comment="Check if {{{ ARG_NAME_VALUE }}} is present in the boot parameters in the {{{ grub2_boot_path }}}/grub.cfg for all kernels" />
+ {{% if system_with_bios_and_uefi_support -%}}
+ <criterion test_ref="test_grub2_{{{ SANITIZED_ARG_NAME }}}_argument_grub_cfg_uefi"
+ comment="Check if {{{ ARG_NAME_VALUE }}} is present in the boot parameters in the {{{ grub2_uefi_boot_path }}}/grub.cfg for all kernels" />
+ </criteria>
+ {{%- endif %}}
{{%- endif %}}
{{% if system_with_kernel_options_in_etc_default_grub -%}}
<criteria operator="OR">
@@ -88,19 +109,26 @@
{{%- endif %}}
{{%- if system_with_kernel_options_in_grubenv %}}
- <ind:textfilecontent54_test id="test_grub2_{{{ SANITIZED_ARG_NAME }}}_argument_grub_env"
- comment="check for kernel command line parameters {{{ ARG_NAME_VALUE }}} in {{{ grub2_boot_path }}}/grubenv for all kernels"
+{{%- macro test_and_object_for_kernel_options_grub_env(base_name, path) %}}
+ <ind:textfilecontent54_test id="test_{{{ base_name }}}"
+ comment="check for kernel command line parameters {{{ ARG_NAME_VALUE }}} in {{{ path }}} for all kernels"
check="all" check_existence="all_exist" version="1">
- <ind:object object_ref="object_grub2_{{{ SANITIZED_ARG_NAME }}}_argument_grub_env" />
+ <ind:object object_ref="object_{{{ base_name }}}" />
<ind:state state_ref="state_grub2_{{{ SANITIZED_ARG_NAME }}}_argument" />
</ind:textfilecontent54_test>
- <ind:textfilecontent54_object id="object_grub2_{{{ SANITIZED_ARG_NAME }}}_argument_grub_env"
+ <ind:textfilecontent54_object id="object_{{{ base_name }}}"
version="1">
- <ind:filepath>{{{ grub2_boot_path }}}/grubenv</ind:filepath>
+ <ind:filepath>{{{ path }}}</ind:filepath>
<ind:pattern operation="pattern match">^kernelopts=(.*)$</ind:pattern>
<ind:instance datatype="int" operation="greater than or equal">1</ind:instance>
</ind:textfilecontent54_object>
+{{%- endmacro %}}
+
+{{{ test_and_object_for_kernel_options_grub_env("grub2_" ~ SANITIZED_ARG_NAME ~ "_argument_grub_env", grub2_boot_path ~ "/grubenv") }}}
+{{% if system_with_bios_and_uefi_support -%}}
+{{{ test_and_object_for_kernel_options_grub_env("grub2_" ~ SANITIZED_ARG_NAME ~ "_argument_grub_env_uefi", grub2_uefi_boot_path ~ "/grubenv") }}}
+{{%- endif %}}
{{%- endif %}}
{{%- if system_with_expanded_kernel_options_in_loader_entries %}}
@@ -120,21 +148,22 @@
</ind:textfilecontent54_object>
<ind:textfilecontent54_state id="state_grub2_rescue_entry_for_{{{ _RULE_ID }}}" version="1">
- <ind:filename>rescue.conf</ind:filename>
+ <ind:filename operation="pattern match">.*rescue.conf$</ind:filename>
</ind:textfilecontent54_state>
{{%- endif %}}
{{%- if system_with_expanded_kernel_options_in_grub_cfg %}}
- <ind:textfilecontent54_test id="test_grub2_{{{ SANITIZED_ARG_NAME }}}_argument_grub_cfg"
- comment="check kernel command line parameters for {{{ ARG_NAME_VALUE }}} in {{{ grub2_boot_path }}}/grub.cfg for all kernels"
+{{%- macro test_and_object_for_kernel_options_grub_cfg(base_name, path) %}}
+ <ind:textfilecontent54_test id="test_{{{ base_name }}}"
+ comment="check kernel command line parameters for {{{ ARG_NAME_VALUE }}} in {{{ path }}} for all kernels"
check="all" check_existence="all_exist" version="1">
- <ind:object object_ref="object_grub2_{{{ SANITIZED_ARG_NAME }}}_argument_grub_cfg" />
+ <ind:object object_ref="object_{{{ base_name }}}" />
<ind:state state_ref="state_grub2_{{{ SANITIZED_ARG_NAME }}}_argument" />
</ind:textfilecontent54_test>
- <ind:textfilecontent54_object id="object_grub2_{{{ SANITIZED_ARG_NAME }}}_argument_grub_cfg"
+ <ind:textfilecontent54_object id="object_{{{ base_name }}}"
version="1">
- <ind:filepath>{{{ grub2_boot_path }}}/grub.cfg</ind:filepath>
+ <ind:filepath>{{{ path }}}</ind:filepath>
{{% if product in ["rhel7"] or 'ubuntu' in product %}}
<ind:pattern operation="pattern match">^.*/vmlinuz.*(root=.*)$</ind:pattern>
{{% else %}}
@@ -142,6 +171,12 @@
{{% endif %}}
<ind:instance datatype="int" operation="greater than or equal">1</ind:instance>
</ind:textfilecontent54_object>
+{{%- endmacro %}}
+
+{{{ test_and_object_for_kernel_options_grub_cfg("grub2_" + SANITIZED_ARG_NAME + "_argument_grub_cfg", grub2_boot_path ~ "/grub.cfg") }}}
+{{% if system_with_bios_and_uefi_support -%}}
+{{{ test_and_object_for_kernel_options_grub_cfg("grub2_" + SANITIZED_ARG_NAME + "_argument_grub_cfg_uefi", grub2_uefi_boot_path ~ "/grub.cfg") }}}
+{{%- endif %}}
{{%- endif %}}
<ind:textfilecontent54_state id="state_grub2_{{{ SANITIZED_ARG_NAME }}}_argument"
From df44b5d7017328d05c0671397edcfed019a2a448 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mat=C4=9Bj=20T=C3=BD=C4=8D?= <matyc@redhat.com>
Date: Mon, 14 Feb 2022 14:49:34 +0100
Subject: [PATCH 5/5] Correct test scenario metadata
- Grubenv doesn't relate to anything else than RHEL8
- The grubby remediation has different behavior in corner-cases
that are technically unsupported, so the corresponding test scenario has been dropped.
---
.../grub2_audit_argument/tests/blank_grubenv_rhel8.fail.sh | 1 +
.../auditing/grub2_audit_argument/tests/correct_grubenv.pass.sh | 2 +-
2 files changed, 2 insertions(+), 1 deletion(-)
diff --git a/linux_os/guide/system/auditing/grub2_audit_argument/tests/blank_grubenv_rhel8.fail.sh b/linux_os/guide/system/auditing/grub2_audit_argument/tests/blank_grubenv_rhel8.fail.sh
index 5af2acc317e..956c8ac79fd 100644
--- a/linux_os/guide/system/auditing/grub2_audit_argument/tests/blank_grubenv_rhel8.fail.sh
+++ b/linux_os/guide/system/auditing/grub2_audit_argument/tests/blank_grubenv_rhel8.fail.sh
@@ -1,6 +1,7 @@
#!/bin/bash
# platform = Red Hat Enterprise Linux 8
+# remediation = none
# Removes audit argument from kernel command line in /boot/grub2/grubenv
file="/boot/grub2/grubenv"
diff --git a/linux_os/guide/system/auditing/grub2_audit_argument/tests/correct_grubenv.pass.sh b/linux_os/guide/system/auditing/grub2_audit_argument/tests/correct_grubenv.pass.sh
index 0ec9a1d6e38..9823b08dff9 100644
--- a/linux_os/guide/system/auditing/grub2_audit_argument/tests/correct_grubenv.pass.sh
+++ b/linux_os/guide/system/auditing/grub2_audit_argument/tests/correct_grubenv.pass.sh
@@ -1,4 +1,4 @@
#!/bin/bash
-# platform = Red Hat Enterprise Linux 8,Red Hat Enterprise Linux 9
+# platform = Red Hat Enterprise Linux 8
grub2-editenv - set "$(grub2-editenv - list | grep kernelopts) audit=1"
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