diff --git a/linux/Config.in b/linux/Config.in
index 17bf808cdc..cd0a6a38f6 100644
--- a/linux/Config.in
+++ b/linux/Config.in
@@ -128,7 +128,7 @@ endif
 
 config BR2_LINUX_KERNEL_VERSION
 	string
-	default "6.4.2" if BR2_LINUX_KERNEL_LATEST_VERSION
+	default "6.4.3" if BR2_LINUX_KERNEL_LATEST_VERSION
 	default "5.10.162-cip24" if BR2_LINUX_KERNEL_LATEST_CIP_VERSION
 	default "5.10.162-cip24-rt10" if BR2_LINUX_KERNEL_LATEST_CIP_RT_VERSION
 	default BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE \
diff --git a/linux/linux.hash b/linux/linux.hash
index a4542b94b6..c8e72d31a8 100644
--- a/linux/linux.hash
+++ b/linux/linux.hash
@@ -1,6 +1,6 @@
 # From https://www.kernel.org/pub/linux/kernel/v6.x/sha256sums.asc
-sha256  a326ab224176c5b17c73c9ccad85f32e49b6e4e764861d57595727b7ef10062c  linux-6.4.2.tar.xz
-sha256  cb7fdefc207dd4e8ef947fccd687126425edce0138ca11191bc0590c678e6cd7  linux-6.3.12.tar.xz
+sha256  7134ed29360df6f37a26410630283f0592c91a6d2178a9648226d30ddf8c88a1  linux-6.4.3.tar.xz
+sha256  ea460560e2898022c5f3c4649908694dcd75a094ffde726e8c6ca5e0a09491fb  linux-6.3.13.tar.xz
 sha256  f9a4f91b609f7d332a5f2be01ab86336fa00149fae6bdc19f16fa19f78802d43  linux-6.1.38.tar.xz
 # From https://www.kernel.org/pub/linux/kernel/v5.x/sha256sums.asc
 sha256  6499089eae6b271063cb3e873ab7f4ba0543cfb21dcc9c54d9bcf5357db683f6  linux-5.15.120.tar.xz
diff --git a/package/linux-headers/Config.in.host b/package/linux-headers/Config.in.host
index 1944d47e4e..d886a4659b 100644
--- a/package/linux-headers/Config.in.host
+++ b/package/linux-headers/Config.in.host
@@ -410,8 +410,8 @@ config BR2_DEFAULT_KERNEL_HEADERS
 	default "5.10.186"	if BR2_KERNEL_HEADERS_5_10
 	default "5.15.120"	if BR2_KERNEL_HEADERS_5_15
 	default "6.1.38"	if BR2_KERNEL_HEADERS_6_1
-	default "6.3.12"	if BR2_KERNEL_HEADERS_6_3
-	default "6.4.2"		if BR2_KERNEL_HEADERS_6_4
+	default "6.3.13"	if BR2_KERNEL_HEADERS_6_3
+	default "6.4.3"		if BR2_KERNEL_HEADERS_6_4
 	default BR2_DEFAULT_KERNEL_VERSION if BR2_KERNEL_HEADERS_VERSION
 	default "custom"	if BR2_KERNEL_HEADERS_CUSTOM_TARBALL
 	default BR2_KERNEL_HEADERS_CUSTOM_REPO_VERSION \