diff --git a/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/coreos-kernel-3.12.6-r2.ebuild b/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/coreos-kernel-3.12.6-r3.ebuild
similarity index 100%
rename from sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/coreos-kernel-3.12.6-r2.ebuild
rename to sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/coreos-kernel-3.12.6-r3.ebuild
diff --git a/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/files/x86_64_defconfig-3.12.6-r2 b/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/files/x86_64_defconfig-3.12.6-r3
similarity index 99%
rename from sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/files/x86_64_defconfig-3.12.6-r2
rename to sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/files/x86_64_defconfig-3.12.6-r3
index d59434f33e..e7b24863e3 100644
--- a/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/files/x86_64_defconfig-3.12.6-r2
+++ b/sdk_container/src/third_party/coreos-overlay/sys-kernel/coreos-kernel/files/x86_64_defconfig-3.12.6-r3
@@ -3057,7 +3057,18 @@ CONFIG_SUNRPC_BACKCHANNEL=y
 CONFIG_SUNRPC_XPRT_RDMA=m
 CONFIG_SUNRPC_DEBUG=y
 # CONFIG_CEPH_FS is not set
-# CONFIG_CIFS is not set
+CONFIG_CIFS=m
+CONFIG_CIFS_STATS=y
+CONFIG_CIFS_STATS2=y
+CONFIG_CIFS_WEAK_PW_HASH=y
+CONFIG_CIFS_UPCALL=y
+CONFIG_CIFS_XATTR=y
+CONFIG_CIFS_POSIX=y
+CONFIG_CIFS_ACL=y
+CONFIG_CIFS_DEBUG=y
+# CONFIG_CIFS_DEBUG2 is not set
+CONFIG_CIFS_DFS_UPCALL=y
+# CONFIG_CIFS_SMB2 is not set
 # CONFIG_NCP_FS is not set
 # CONFIG_CODA_FS is not set
 # CONFIG_AFS_FS is not set
@@ -3376,7 +3387,7 @@ CONFIG_CRYPTO_GLUE_HELPER_X86=m
 CONFIG_CRYPTO_CBC=m
 # CONFIG_CRYPTO_CTR is not set
 # CONFIG_CRYPTO_CTS is not set
-# CONFIG_CRYPTO_ECB is not set
+CONFIG_CRYPTO_ECB=m
 CONFIG_CRYPTO_LRW=m
 # CONFIG_CRYPTO_PCBC is not set
 CONFIG_CRYPTO_XTS=m
@@ -3384,7 +3395,7 @@ CONFIG_CRYPTO_XTS=m
 #
 # Hash modes
 #
-# CONFIG_CRYPTO_CMAC is not set
+CONFIG_CRYPTO_CMAC=m
 CONFIG_CRYPTO_HMAC=m
 # CONFIG_CRYPTO_XCBC is not set
 # CONFIG_CRYPTO_VMAC is not set
@@ -3399,7 +3410,7 @@ CONFIG_CRYPTO_CRC32C_INTEL=m
 CONFIG_CRYPTO_CRCT10DIF=m
 # CONFIG_CRYPTO_CRCT10DIF_PCLMUL is not set
 # CONFIG_CRYPTO_GHASH is not set
-# CONFIG_CRYPTO_MD4 is not set
+CONFIG_CRYPTO_MD4=m
 CONFIG_CRYPTO_MD5=y
 # CONFIG_CRYPTO_MICHAEL_MIC is not set
 # CONFIG_CRYPTO_RMD128 is not set
@@ -3423,7 +3434,7 @@ CONFIG_CRYPTO_AES=y
 CONFIG_CRYPTO_AES_X86_64=m
 CONFIG_CRYPTO_AES_NI_INTEL=m
 # CONFIG_CRYPTO_ANUBIS is not set
-# CONFIG_CRYPTO_ARC4 is not set
+CONFIG_CRYPTO_ARC4=m
 # CONFIG_CRYPTO_BLOWFISH is not set
 # CONFIG_CRYPTO_BLOWFISH_X86_64 is not set
 # CONFIG_CRYPTO_CAMELLIA is not set