diff --git a/chapter01/changelog.xml b/chapter01/changelog.xml
index 9166a3919..6b2c5ae85 100644
--- a/chapter01/changelog.xml
+++ b/chapter01/changelog.xml
@@ -42,6 +42,16 @@
     <listitem revision="sysv"> or <listitem revision="systemd"> as
     appropriate for the entry or if needed the entire day's listitem.
     -->
+    <listitem>
+      <para>2020-05-28</para>
+      <itemizedlist>
+        <listitem>
+          <para>[pierre] - Update to linux-5.6.15. Fixes
+          <ulink url="&lfs-ticket-root;4658">#4658</ulink>.</para>
+        </listitem>
+      </itemizedlist>
+    </listitem>
+
     <listitem>
       <para>2020-05-27</para>
       <itemizedlist>
diff --git a/chapter08/kernel.xml b/chapter08/kernel.xml
index a31b545a9..0173f7445 100644
--- a/chapter08/kernel.xml
+++ b/chapter08/kernel.xml
@@ -54,16 +54,6 @@
     kernel compilation. Do not rely on the source tree being clean after
     un-tarring.</para>
 
-    <!-- The following paragraph and sed should be only necessary on the 5.6
-         series, but check when 5.7 is out. -->
-    <para>When using <envar>CONFIG_STACKPROTECTOR_STRONG=y</envar>, and
-    compiling with GCC 10 and later, the default optimization is too
-    aggressive, and generates a kernel panic when booting. This can be
-    fixed with:</para>
-
-<screen><userinput remap="pre">sed -e '/cpu_startup/a asm("");' \
-    -i arch/x86/{kernel/smpboot.c,xen/smp_pv.c}</userinput></screen>
-
     <!-- Support for compiling a keymap into the kernel is deliberately removed -->
 
     <para>Configure the kernel via a menu-driven interface. For general
diff --git a/general.ent b/general.ent
index 952a2e98d..f0139d911 100644
--- a/general.ent
+++ b/general.ent
@@ -1,13 +1,13 @@
-<!ENTITY version         "SVN-20200527">
+<!ENTITY version         "SVN-20200528">
 <!ENTITY short-version   "svn">  <!-- Used below in &blfs-book; 
                                       Change to x.y for release but not -rc releases -->
 <!ENTITY generic-version "development"> <!-- Use "development"  or "x.y[-pre{x}]" -->
 
-<!ENTITY versiond        "20200527-systemd">
+<!ENTITY versiond        "20200528-systemd">
 <!ENTITY short-versiond  "systemd">
 <!ENTITY generic-versiond "systemd"> 
 
-<!ENTITY releasedate     "May 27th, 2020">
+<!ENTITY releasedate     "May 28th, 2020">
 
 <!ENTITY copyrightdate   "1999-2020"><!-- jhalfs needs a literal dash, not &ndash; -->
 
diff --git a/packages.ent b/packages.ent
index 1848be10a..d95edb03f 100644
--- a/packages.ent
+++ b/packages.ent
@@ -425,12 +425,12 @@
 
 <!ENTITY linux-major-version "5">
 <!ENTITY linux-minor-version "6">
-<!ENTITY linux-patch-version "13">
+<!ENTITY linux-patch-version "15">
 <!--<!ENTITY linux-version "&linux-major-version;.&linux-minor-version;">-->
 <!ENTITY linux-version "&linux-major-version;.&linux-minor-version;.&linux-patch-version;">
-<!ENTITY linux-size "109,177 KB">
+<!ENTITY linux-size "109,192 KB">
 <!ENTITY linux-url "&kernel;linux/kernel/v&linux-major-version;.x/linux-&linux-version;.tar.xz">
-<!ENTITY linux-md5 "73fa7a9e7c42a9ab2cc8151d20e8d6b6">
+<!ENTITY linux-md5 "41f02b34dbb66ffa6b71bb3e2361e94d">
 <!ENTITY linux-home "https://www.kernel.org/">
 <!-- measured for 4.8.3 / gcc-6.2.0 on x86_64 : minimum is
  allnoconfig extended for a hopefully-bootable build on desktop machine,