diff --git a/include/kernel-version.mk b/include/kernel-version.mk
index 0fffaf8689..8d22ada2e9 100644
--- a/include/kernel-version.mk
+++ b/include/kernel-version.mk
@@ -28,11 +28,11 @@ endif
 ifeq ($(LINUX_VERSION),2.6.26.8)
   LINUX_KERNEL_MD5SUM:=05dd0d4f8f110b4219ae6ec7a36c046d
 endif
-ifeq ($(LINUX_VERSION),2.6.27.19)
-  LINUX_KERNEL_MD5SUM:=182b23174febe7cc8106dd394f368dee
+ifeq ($(LINUX_VERSION),2.6.27.21)
+  LINUX_KERNEL_MD5SUM:=2912af7938fae1a3f2a9a6bcf8c0009f
 endif
-ifeq ($(LINUX_VERSION),2.6.28.8)
-  LINUX_KERNEL_MD5SUM:=8440a90637cff154195895743ef498a1
+ifeq ($(LINUX_VERSION),2.6.28.9)
+  LINUX_KERNEL_MD5SUM:=9a2b9d296adccca22868a3a5e3bccc4f
 endif
 
 # disable the md5sum check for unknown kernel versions
diff --git a/target/linux/ar71xx/Makefile b/target/linux/ar71xx/Makefile
index 8c43898b9c..d8a54159d7 100644
--- a/target/linux/ar71xx/Makefile
+++ b/target/linux/ar71xx/Makefile
@@ -12,7 +12,7 @@ BOARDNAME:=Atheros AR71xx/AR913x
 FEATURES:=squashfs tgz
 CFLAGS:=-Os -pipe -mips32r2 -mtune=mips32r2 -funit-at-a-time
 
-LINUX_VERSION:=2.6.28.8
+LINUX_VERSION:=2.6.28.9
 
 include $(INCLUDE_DIR)/target.mk
 
diff --git a/target/linux/atheros/Makefile b/target/linux/atheros/Makefile
index 210a016467..86d7d6753b 100644
--- a/target/linux/atheros/Makefile
+++ b/target/linux/atheros/Makefile
@@ -11,7 +11,7 @@ BOARD:=atheros
 BOARDNAME:=Atheros 231x/5312
 FEATURES:=squashfs jffs2
 
-LINUX_VERSION:=2.6.28.7
+LINUX_VERSION:=2.6.28.9
 
 include $(INCLUDE_DIR)/target.mk
 
diff --git a/target/linux/avr32/Makefile b/target/linux/avr32/Makefile
index f9478eba79..19288f2071 100644
--- a/target/linux/avr32/Makefile
+++ b/target/linux/avr32/Makefile
@@ -10,7 +10,7 @@ ARCH:=avr32
 BOARD:=avr32
 BOARDNAME:=Atmel AVR32
 FEATURES:=squashfs
-LINUX_VERSION:=2.6.28.8
+LINUX_VERSION:=2.6.28.9
 
 include $(INCLUDE_DIR)/target.mk
 
diff --git a/target/linux/brcm47xx/Makefile b/target/linux/brcm47xx/Makefile
index 488cd78c22..b6ee48c27f 100644
--- a/target/linux/brcm47xx/Makefile
+++ b/target/linux/brcm47xx/Makefile
@@ -11,7 +11,7 @@ BOARD:=brcm47xx
 BOARDNAME:=Broadcom BCM947xx/953xx
 FEATURES:=squashfs usb
 
-LINUX_VERSION:=2.6.28.8
+LINUX_VERSION:=2.6.28.9
 
 include $(INCLUDE_DIR)/target.mk
 DEFAULT_PACKAGES += hostapd-mini kmod-switch kmod-diag
diff --git a/target/linux/ifxmips/Makefile b/target/linux/ifxmips/Makefile
index 81bfd2e9bc..afaf15f2e4 100644
--- a/target/linux/ifxmips/Makefile
+++ b/target/linux/ifxmips/Makefile
@@ -11,7 +11,7 @@ BOARD:=ifxmips
 BOARDNAME:=Infineon Mips
 FEATURES:=squashfs jffs2
 
-LINUX_VERSION:=2.6.28.8
+LINUX_VERSION:=2.6.28.9
 
 include $(INCLUDE_DIR)/target.mk
 DEFAULT_PACKAGES+=uboot-ifxmips hostapd-mini
diff --git a/target/linux/ixp4xx/Makefile b/target/linux/ixp4xx/Makefile
index 94e0c895d7..d6bd81bdfe 100644
--- a/target/linux/ixp4xx/Makefile
+++ b/target/linux/ixp4xx/Makefile
@@ -12,7 +12,7 @@ BOARDNAME:=Intel IXP4xx
 FEATURES:=squashfs
 SUBTARGETS=generic harddisk
 
-LINUX_VERSION:=2.6.28.8
+LINUX_VERSION:=2.6.28.9
 
 include $(INCLUDE_DIR)/target.mk
 
diff --git a/target/linux/orion/Makefile b/target/linux/orion/Makefile
index b19269ba2b..64e4c40d96 100644
--- a/target/linux/orion/Makefile
+++ b/target/linux/orion/Makefile
@@ -12,7 +12,7 @@ BOARDNAME:=Marvell Orion
 FEATURES:=squashfs
 SUBTARGETS=generic harddisk
 
-LINUX_VERSION:=2.6.28.8
+LINUX_VERSION:=2.6.28.9
 
 include $(INCLUDE_DIR)/target.mk
 
diff --git a/target/linux/ppc44x/Makefile b/target/linux/ppc44x/Makefile
index 00d44dd059..dd30aa8cc4 100644
--- a/target/linux/ppc44x/Makefile
+++ b/target/linux/ppc44x/Makefile
@@ -11,7 +11,7 @@ BOARD:=ppc44x
 BOARDNAME:=AMCC/IBM PPC44x
 FEATURES:=squashfs
 
-LINUX_VERSION:=2.6.28.8
+LINUX_VERSION:=2.6.28.9
 LINUX_KARCH:=powerpc
 
 include $(INCLUDE_DIR)/target.mk
diff --git a/target/linux/ps3/Makefile b/target/linux/ps3/Makefile
index 4b2519befd..b28dba3616 100644
--- a/target/linux/ps3/Makefile
+++ b/target/linux/ps3/Makefile
@@ -14,7 +14,7 @@ SUBTARGETS=petitboot
 
 DEVICE_TYPE=bootloader
 
-LINUX_VERSION:=2.6.28.8
+LINUX_VERSION:=2.6.28.9
 
 KERNEL_CC:=
 
diff --git a/target/linux/s3c24xx/Makefile b/target/linux/s3c24xx/Makefile
index 9225b49fa4..d3083e718e 100644
--- a/target/linux/s3c24xx/Makefile
+++ b/target/linux/s3c24xx/Makefile
@@ -12,7 +12,7 @@ BOARDNAME:=s3c24xx
 FEATURES:=jffs2
 CFLAGS:=-O2 -pipe -march=armv4t -mtune=arm920t -funit-at-a-time
 
-LINUX_VERSION:=2.6.28.8
+LINUX_VERSION:=2.6.28.9
 
 DEVICE_TYPE=phone
 
diff --git a/target/linux/sibyte/Makefile b/target/linux/sibyte/Makefile
index 6671f53954..a62255147c 100644
--- a/target/linux/sibyte/Makefile
+++ b/target/linux/sibyte/Makefile
@@ -11,7 +11,7 @@ BOARD:=sibyte
 BOARDNAME:=Broadcom/SiByte SB-1
 FEATURES:=broken
 
-LINUX_VERSION:=2.6.28.8
+LINUX_VERSION:=2.6.28.9
 
 include $(INCLUDE_DIR)/target.mk
 
diff --git a/target/linux/uml/Makefile b/target/linux/uml/Makefile
index 7e46f022c1..9cf1b7b2dd 100644
--- a/target/linux/uml/Makefile
+++ b/target/linux/uml/Makefile
@@ -23,7 +23,7 @@ BOARDNAME:=User Mode Linux
 FEATURES:=ext2
 LINUX_CONFIG:=$(CURDIR)/config/$(ARCH)
 
-LINUX_VERSION:=2.6.28.8
+LINUX_VERSION:=2.6.28.9
 
 include $(INCLUDE_DIR)/target.mk
 
diff --git a/target/linux/x86/Makefile b/target/linux/x86/Makefile
index c2f0b30f8f..33d6509d6d 100644
--- a/target/linux/x86/Makefile
+++ b/target/linux/x86/Makefile
@@ -12,7 +12,7 @@ BOARDNAME:=x86
 FEATURES:=squashfs jffs2 ext2 vdi vmdk
 SUBTARGETS=generic
 
-LINUX_VERSION:=2.6.28.8
+LINUX_VERSION:=2.6.28.9
 
 include $(INCLUDE_DIR)/target.mk
 DEFAULT_PACKAGES += kmod-natsemi kmod-ne2k-pci