From: Alexander Popov <alex.popov@linux.com>
Date: Wed, 15 Jul 2020 16:16:27 +0000 (+0300)
Subject: Add CLIP OS recommendations about CONFIG_IO_URING and CONFIG_X86_IOPL_IOPERM
X-Git-Tag: v0.5.7~3
X-Git-Url: https://jxself.org/git/?a=commitdiff_plain;h=4abb78818fc77db635c1545db63a0bf147f4a798;hp=43994ab78d2725d1e0cef6dce04508cc68019e03;p=kconfig-hardened-check.git

Add CLIP OS recommendations about CONFIG_IO_URING and CONFIG_X86_IOPL_IOPERM

CONFIG_X86_IOPL_IOPERM is also disabled by kernel lockdown
---

diff --git a/kconfig_hardened_check/__init__.py b/kconfig_hardened_check/__init__.py
index 74d66d6..9867509 100644
--- a/kconfig_hardened_check/__init__.py
+++ b/kconfig_hardened_check/__init__.py
@@ -459,7 +459,6 @@ def construct_checklist(l, arch):
 
     # 'cut_attack_surface', 'lockdown'
     l += [OptCheck('cut_attack_surface', 'lockdown', 'ACPI_TABLE_UPGRADE', 'is not set')] # refers to LOCKDOWN
-    l += [OptCheck('cut_attack_surface', 'lockdown', 'X86_IOPL_IOPERM', 'is not set')] # refers to LOCKDOWN
     l += [OptCheck('cut_attack_surface', 'lockdown', 'EFI_TEST', 'is not set')] # refers to LOCKDOWN
     l += [OptCheck('cut_attack_surface', 'lockdown', 'BPF_SYSCALL', 'is not set')] # refers to LOCKDOWN
     l += [OptCheck('cut_attack_surface', 'lockdown', 'MMIOTRACE_TEST', 'is not set')] # refers to LOCKDOWN
@@ -475,6 +474,8 @@ def construct_checklist(l, arch):
     l += [OptCheck('cut_attack_surface', 'clipos', 'USER_NS', 'is not set')] # user.max_user_namespaces=0
     l += [OptCheck('cut_attack_surface', 'clipos', 'X86_MSR', 'is not set')] # refers to LOCKDOWN
     l += [OptCheck('cut_attack_surface', 'clipos', 'X86_CPUID', 'is not set')]
+    l += [OptCheck('cut_attack_surface', 'clipos', 'IO_URING', 'is not set')]
+    l += [OptCheck('cut_attack_surface', 'clipos', 'X86_IOPL_IOPERM', 'is not set')] # refers to LOCKDOWN
     l += [AND(OptCheck('cut_attack_surface', 'clipos', 'LDISC_AUTOLOAD', 'is not set'),
               PresenceCheck('LDISC_AUTOLOAD'))]
     if arch in ('X86_64', 'X86_32'):