diff --git a/README.adoc b/README.adoc
index 4cae5b8..ba7e97a 100644
--- a/README.adoc
+++ b/README.adoc
@@ -9,7 +9,7 @@
 :toclevels: 6
 :toc-title:
 
-The perfect emulation setup to study and modify the <<linux-kernel>>, kernel modules, <<qemu-buildroot-setup,QEMU>> and <<gem5-buildroot-setup,gem5>>. Highly automated. Thoroughly documented. <<gdb>> and <<kgdb>> just work. Powered by <<about-the-qemu-buildroot-setup,Buildroot>>. "Tested" in Ubuntu 18.04 host, x86 and ARM guests with kernel v4.18.
+The perfect emulation setup to study and modify the <<linux-kernel>>, kernel modules, <<qemu-buildroot-setup,QEMU>> and <<gem5-buildroot-setup,gem5>>. Highly automated. Thoroughly documented. <<gdb>> and <<kgdb>> just work. Powered by <<about-the-qemu-buildroot-setup,Buildroot>>. "Tested" in Ubuntu 18.04 host, x86 and ARM guests with kernel v4.19.
 
 TL;DR: <<qemu-buildroot-setup-getting-started>>
 
diff --git a/submodules/linux b/submodules/linux
index 94710ca..84df952 160000
--- a/submodules/linux
+++ b/submodules/linux
@@ -1 +1 @@
-Subproject commit 94710cac0ef4ee177a63b5227664b38c95bbf703
+Subproject commit 84df9525b0c27f3ebc2ebb1864fa62a97fdedb7d