From a710d35e1f64684e29b1a1d627be64f495481e13 Mon Sep 17 00:00:00 2001
From: Xi Ruoyao <xry111@xry111.site>
Date: Sun, 11 Sep 2022 12:01:31 +0800
Subject: Revert "linux kernel: disable CONFIG_USERFAULTFD to avoid
 CVE-2022-2590 for now"

This reverts commit 098f4de3369ae0fc7d50fc6060b059eb5627de4e.

CVE-2022-2590 is fixed in Linux >= 5.19.6.
---
 chapter10/kernel.xml | 12 ------------
 1 file changed, 12 deletions(-)

(limited to 'chapter10')

diff --git a/chapter10/kernel.xml b/chapter10/kernel.xml
index 157fb9f64..9042f570b 100644
--- a/chapter10/kernel.xml
+++ b/chapter10/kernel.xml
@@ -159,8 +159,6 @@ File systems  ---&gt;
 
       <screen role="nodump">Processor type and features ---&gt;
   [*] Support x2apic [CONFIG_X86_X2APIC]
-Memory Management options  ---&gt;
-  [ ] Enable userfaultfd() system call [CONFIG_USERFAULTFD]
 Device Drivers ---&gt;
   [*] PCI Support ---&gt; [CONFIG_PCI]
     [*] Message Signaled Interrupts (MSI and MSI-X) [CONFIG_PCI_MSI]
@@ -254,16 +252,6 @@ Device Drivers ---&gt;
         </listitem>
       </varlistentry>
 
-      <varlistentry>
-        <term><parameter>Enable userfaultfd() system call</parameter></term>
-        <listitem>
-          <para>If this option is enabled, a security vulnerability not
-          resolved in Linux-&linux-version; yet will be exploitable.
-          Disable this option to avoid the vulnerability.  This system call
-          is not used by any part of LFS or BLFS.</para>
-        </listitem>
-      </varlistentry>
-
     </variablelist>
 
     <para>Alternatively, <command>make oldconfig</command> may be more
-- 
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