diff --git a/Documentation/kernel.md b/Documentation/kernel.md
index 552356be3..da3ef3a0c 100644
--- a/Documentation/kernel.md
+++ b/Documentation/kernel.md
@@ -6,11 +6,11 @@ Default Kernel tree: 5.15
 | Board | Version |
 |-------|---------|
 | Open Virtual Appliance | 5.15.32 |
-| Raspberry Pi | 5.10.103 |
-| Raspberry Pi 0-W | 5.10.103 |
-| Raspberry Pi 2 | 5.10.103 |
-| Raspberry Pi 3 | 5.10.103 |
-| Raspberry Pi 4 | 5.10.103 |
+| Raspberry Pi | 5.15.32 |
+| Raspberry Pi 0-W | 5.15.32 |
+| Raspberry Pi 2 | 5.15.32 |
+| Raspberry Pi 3 | 5.15.32 |
+| Raspberry Pi 4 | 5.15.32 |
 | Tinker Board | 5.15.32 |
 | Odroid-C2 | 5.15.32 |
 | Odroid-C4 | 5.15.32 |
diff --git a/buildroot b/buildroot
index 949a68307..c62532023 160000
--- a/buildroot
+++ b/buildroot
@@ -1 +1 @@
-Subproject commit 949a683071804083572ff87e1351115a1cea5d38
+Subproject commit c62532023de32195e375702d235232686adf6551
diff --git a/buildroot-external/configs/rpi2_defconfig b/buildroot-external/configs/rpi2_defconfig
index c061db792..34d1a79b0 100644
--- a/buildroot-external/configs/rpi2_defconfig
+++ b/buildroot-external/configs/rpi2_defconfig
@@ -23,7 +23,7 @@ BR2_ROOTFS_POST_IMAGE_SCRIPT="$(BR2_EXTERNAL_HASSOS_PATH)/scripts/post-image.sh"
 BR2_ROOTFS_POST_SCRIPT_ARGS="$(BR2_EXTERNAL_HASSOS_PATH)/board/raspberrypi/rpi2 $(BR2_EXTERNAL_HASSOS_PATH)/board/raspberrypi/hassos-hook.sh"
 BR2_LINUX_KERNEL=y
 BR2_LINUX_KERNEL_CUSTOM_TARBALL=y
-BR2_LINUX_KERNEL_CUSTOM_TARBALL_LOCATION="https://github.com/raspberrypi/linux/archive/1.20220308.tar.gz"
+BR2_LINUX_KERNEL_CUSTOM_TARBALL_LOCATION="https://github.com/raspberrypi/linux/archive/1.20220331.tar.gz"
 BR2_LINUX_KERNEL_DEFCONFIG="bcm2709"
 BR2_LINUX_KERNEL_CONFIG_FRAGMENT_FILES="$(BR2_EXTERNAL_HASSOS_PATH)/kernel/hassos.config $(BR2_EXTERNAL_HASSOS_PATH)/kernel/docker.config $(BR2_EXTERNAL_HASSOS_PATH)/kernel/device-support.config $(BR2_EXTERNAL_HASSOS_PATH)/board/raspberrypi/kernel.config"
 BR2_LINUX_KERNEL_LZ4=y
@@ -108,7 +108,7 @@ BR2_TARGET_UBOOT_CONFIG_FRAGMENT_FILES="$(BR2_EXTERNAL_HASSOS_PATH)/bootloader/u
 BR2_PACKAGE_HOST_UBOOT_TOOLS=y
 BR2_PACKAGE_HOST_UBOOT_TOOLS_BOOT_SCRIPT=y
 BR2_PACKAGE_HOST_UBOOT_TOOLS_BOOT_SCRIPT_SOURCE="$(BR2_EXTERNAL_HASSOS_PATH)/board/raspberrypi/uboot-boot.ush"
-BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_5_10=y
+BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_5_15=y
 BR2_PACKAGE_HOST_DOSFSTOOLS=y
 BR2_PACKAGE_HOST_E2FSPROGS=y
 BR2_PACKAGE_HOST_GPTFDISK=y
diff --git a/buildroot-external/configs/rpi3_64_defconfig b/buildroot-external/configs/rpi3_64_defconfig
index 70736b355..c73ad4f6d 100644
--- a/buildroot-external/configs/rpi3_64_defconfig
+++ b/buildroot-external/configs/rpi3_64_defconfig
@@ -23,7 +23,7 @@ BR2_ROOTFS_POST_IMAGE_SCRIPT="$(BR2_EXTERNAL_HASSOS_PATH)/scripts/post-image.sh"
 BR2_ROOTFS_POST_SCRIPT_ARGS="$(BR2_EXTERNAL_HASSOS_PATH)/board/raspberrypi/rpi3-64 $(BR2_EXTERNAL_HASSOS_PATH)/board/raspberrypi/hassos-hook.sh"
 BR2_LINUX_KERNEL=y
 BR2_LINUX_KERNEL_CUSTOM_TARBALL=y
-BR2_LINUX_KERNEL_CUSTOM_TARBALL_LOCATION="https://github.com/raspberrypi/linux/archive/1.20220308.tar.gz"
+BR2_LINUX_KERNEL_CUSTOM_TARBALL_LOCATION="https://github.com/raspberrypi/linux/archive/1.20220331.tar.gz"
 BR2_LINUX_KERNEL_DEFCONFIG="bcmrpi3"
 BR2_LINUX_KERNEL_CONFIG_FRAGMENT_FILES="$(BR2_EXTERNAL_HASSOS_PATH)/kernel/hassos.config $(BR2_EXTERNAL_HASSOS_PATH)/kernel/docker.config $(BR2_EXTERNAL_HASSOS_PATH)/kernel/device-support.config $(BR2_EXTERNAL_HASSOS_PATH)/board/raspberrypi/kernel.config"
 BR2_LINUX_KERNEL_LZ4=y
@@ -109,7 +109,7 @@ BR2_TARGET_UBOOT_CONFIG_FRAGMENT_FILES="$(BR2_EXTERNAL_HASSOS_PATH)/bootloader/u
 BR2_PACKAGE_HOST_UBOOT_TOOLS=y
 BR2_PACKAGE_HOST_UBOOT_TOOLS_BOOT_SCRIPT=y
 BR2_PACKAGE_HOST_UBOOT_TOOLS_BOOT_SCRIPT_SOURCE="$(BR2_EXTERNAL_HASSOS_PATH)/board/raspberrypi/uboot-boot64.ush"
-BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_5_10=y
+BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_5_15=y
 BR2_PACKAGE_HOST_DOSFSTOOLS=y
 BR2_PACKAGE_HOST_E2FSPROGS=y
 BR2_PACKAGE_HOST_GPTFDISK=y
diff --git a/buildroot-external/configs/rpi3_defconfig b/buildroot-external/configs/rpi3_defconfig
index b25f47c82..cc22a6e48 100644
--- a/buildroot-external/configs/rpi3_defconfig
+++ b/buildroot-external/configs/rpi3_defconfig
@@ -23,7 +23,7 @@ BR2_ROOTFS_POST_IMAGE_SCRIPT="$(BR2_EXTERNAL_HASSOS_PATH)/scripts/post-image.sh"
 BR2_ROOTFS_POST_SCRIPT_ARGS="$(BR2_EXTERNAL_HASSOS_PATH)/board/raspberrypi/rpi3 $(BR2_EXTERNAL_HASSOS_PATH)/board/raspberrypi/hassos-hook.sh"
 BR2_LINUX_KERNEL=y
 BR2_LINUX_KERNEL_CUSTOM_TARBALL=y
-BR2_LINUX_KERNEL_CUSTOM_TARBALL_LOCATION="https://github.com/raspberrypi/linux/archive/1.20220308.tar.gz"
+BR2_LINUX_KERNEL_CUSTOM_TARBALL_LOCATION="https://github.com/raspberrypi/linux/archive/1.20220331.tar.gz"
 BR2_LINUX_KERNEL_DEFCONFIG="bcm2709"
 BR2_LINUX_KERNEL_CONFIG_FRAGMENT_FILES="$(BR2_EXTERNAL_HASSOS_PATH)/kernel/hassos.config $(BR2_EXTERNAL_HASSOS_PATH)/kernel/docker.config $(BR2_EXTERNAL_HASSOS_PATH)/kernel/device-support.config $(BR2_EXTERNAL_HASSOS_PATH)/board/raspberrypi/kernel.config"
 BR2_LINUX_KERNEL_LZ4=y
@@ -109,7 +109,7 @@ BR2_TARGET_UBOOT_CONFIG_FRAGMENT_FILES="$(BR2_EXTERNAL_HASSOS_PATH)/bootloader/u
 BR2_PACKAGE_HOST_UBOOT_TOOLS=y
 BR2_PACKAGE_HOST_UBOOT_TOOLS_BOOT_SCRIPT=y
 BR2_PACKAGE_HOST_UBOOT_TOOLS_BOOT_SCRIPT_SOURCE="$(BR2_EXTERNAL_HASSOS_PATH)/board/raspberrypi/uboot-boot.ush"
-BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_5_10=y
+BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_5_15=y
 BR2_PACKAGE_HOST_DOSFSTOOLS=y
 BR2_PACKAGE_HOST_E2FSPROGS=y
 BR2_PACKAGE_HOST_GPTFDISK=y
diff --git a/buildroot-external/configs/rpi4_64_defconfig b/buildroot-external/configs/rpi4_64_defconfig
index 5ff277d55..9eafa91f5 100644
--- a/buildroot-external/configs/rpi4_64_defconfig
+++ b/buildroot-external/configs/rpi4_64_defconfig
@@ -23,7 +23,7 @@ BR2_ROOTFS_POST_IMAGE_SCRIPT="$(BR2_EXTERNAL_HASSOS_PATH)/scripts/post-image.sh"
 BR2_ROOTFS_POST_SCRIPT_ARGS="$(BR2_EXTERNAL_HASSOS_PATH)/board/raspberrypi/rpi4-64 $(BR2_EXTERNAL_HASSOS_PATH)/board/raspberrypi/hassos-hook.sh"
 BR2_LINUX_KERNEL=y
 BR2_LINUX_KERNEL_CUSTOM_TARBALL=y
-BR2_LINUX_KERNEL_CUSTOM_TARBALL_LOCATION="https://github.com/raspberrypi/linux/archive/1.20220308.tar.gz"
+BR2_LINUX_KERNEL_CUSTOM_TARBALL_LOCATION="https://github.com/raspberrypi/linux/archive/1.20220331.tar.gz"
 BR2_LINUX_KERNEL_DEFCONFIG="bcm2711"
 BR2_LINUX_KERNEL_CONFIG_FRAGMENT_FILES="$(BR2_EXTERNAL_HASSOS_PATH)/kernel/hassos.config $(BR2_EXTERNAL_HASSOS_PATH)/kernel/docker.config $(BR2_EXTERNAL_HASSOS_PATH)/kernel/device-support.config $(BR2_EXTERNAL_HASSOS_PATH)/board/raspberrypi/kernel.config"
 BR2_LINUX_KERNEL_LZ4=y
@@ -110,7 +110,7 @@ BR2_TARGET_UBOOT_CONFIG_FRAGMENT_FILES="$(BR2_EXTERNAL_HASSOS_PATH)/bootloader/u
 BR2_PACKAGE_HOST_UBOOT_TOOLS=y
 BR2_PACKAGE_HOST_UBOOT_TOOLS_BOOT_SCRIPT=y
 BR2_PACKAGE_HOST_UBOOT_TOOLS_BOOT_SCRIPT_SOURCE="$(BR2_EXTERNAL_HASSOS_PATH)/board/raspberrypi/uboot-boot64.ush"
-BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_5_10=y
+BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_5_15=y
 BR2_PACKAGE_HOST_DOSFSTOOLS=y
 BR2_PACKAGE_HOST_E2FSPROGS=y
 BR2_PACKAGE_HOST_GPTFDISK=y
diff --git a/buildroot-external/configs/rpi4_defconfig b/buildroot-external/configs/rpi4_defconfig
index c08f7e71d..4defc9323 100644
--- a/buildroot-external/configs/rpi4_defconfig
+++ b/buildroot-external/configs/rpi4_defconfig
@@ -23,7 +23,7 @@ BR2_ROOTFS_POST_IMAGE_SCRIPT="$(BR2_EXTERNAL_HASSOS_PATH)/scripts/post-image.sh"
 BR2_ROOTFS_POST_SCRIPT_ARGS="$(BR2_EXTERNAL_HASSOS_PATH)/board/raspberrypi/rpi4 $(BR2_EXTERNAL_HASSOS_PATH)/board/raspberrypi/hassos-hook.sh"
 BR2_LINUX_KERNEL=y
 BR2_LINUX_KERNEL_CUSTOM_TARBALL=y
-BR2_LINUX_KERNEL_CUSTOM_TARBALL_LOCATION="https://github.com/raspberrypi/linux/archive/1.20220308.tar.gz"
+BR2_LINUX_KERNEL_CUSTOM_TARBALL_LOCATION="https://github.com/raspberrypi/linux/archive/1.20220331.tar.gz"
 BR2_LINUX_KERNEL_DEFCONFIG="bcm2711"
 BR2_LINUX_KERNEL_CONFIG_FRAGMENT_FILES="$(BR2_EXTERNAL_HASSOS_PATH)/kernel/hassos.config $(BR2_EXTERNAL_HASSOS_PATH)/kernel/docker.config $(BR2_EXTERNAL_HASSOS_PATH)/kernel/device-support.config $(BR2_EXTERNAL_HASSOS_PATH)/board/raspberrypi/kernel.config"
 BR2_LINUX_KERNEL_LZ4=y
@@ -108,7 +108,7 @@ BR2_TARGET_UBOOT_CONFIG_FRAGMENT_FILES="$(BR2_EXTERNAL_HASSOS_PATH)/bootloader/u
 BR2_PACKAGE_HOST_UBOOT_TOOLS=y
 BR2_PACKAGE_HOST_UBOOT_TOOLS_BOOT_SCRIPT=y
 BR2_PACKAGE_HOST_UBOOT_TOOLS_BOOT_SCRIPT_SOURCE="$(BR2_EXTERNAL_HASSOS_PATH)/board/raspberrypi/uboot-boot.ush"
-BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_5_10=y
+BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_5_15=y
 BR2_PACKAGE_HOST_DOSFSTOOLS=y
 BR2_PACKAGE_HOST_E2FSPROGS=y
 BR2_PACKAGE_HOST_GPTFDISK=y