diff --git a/src/plugins/intel_gpu/include/intel_gpu/graph/serialization/layout_serializer.hpp b/src/plugins/intel_gpu/include/intel_gpu/graph/serialization/layout_serializer.hpp
index 3c146af500d8ed..d0f54d66aedca9 100644
--- a/src/plugins/intel_gpu/include/intel_gpu/graph/serialization/layout_serializer.hpp
+++ b/src/plugins/intel_gpu/include/intel_gpu/graph/serialization/layout_serializer.hpp
@@ -98,7 +98,7 @@ template <typename BufferType>
 class Serializer<BufferType, cldnn::format, typename std::enable_if<std::is_base_of<InputBuffer<BufferType>, BufferType>::value>::type> {
 public:
     static void load(BufferType& buffer, cldnn::format& format) {
-        cldnn::format::type fmt_type;
+        cldnn::format::type fmt_type = cldnn::format::type::any;
         buffer >> make_data(&fmt_type, sizeof(cldnn::format::type));
         if (fmt_type == cldnn::format::custom) {
             cldnn::format_traits traits;
diff --git a/src/plugins/intel_gpu/include/intel_gpu/primitives/assign.hpp b/src/plugins/intel_gpu/include/intel_gpu/primitives/assign.hpp
index fa306a23fc4179..4c04a4332c458b 100644
--- a/src/plugins/intel_gpu/include/intel_gpu/primitives/assign.hpp
+++ b/src/plugins/intel_gpu/include/intel_gpu/primitives/assign.hpp
@@ -56,7 +56,7 @@ struct assign : public primitive_base<assign> {
 
     void load(BinaryInputBuffer& ib) override {
         primitive_base<assign>::load(ib);
-        ov::element::Type_t data_type;
+        ov::element::Type_t data_type = ov::element::Type_t::undefined;
         ib >> variable_id;
         ib >> output_layout;
         ib >> make_data(&data_type, sizeof(ov::element::Type_t));
diff --git a/src/plugins/intel_gpu/include/intel_gpu/primitives/kv_cache.hpp b/src/plugins/intel_gpu/include/intel_gpu/primitives/kv_cache.hpp
index 048f51379c30ec..d45aa2af0027a7 100644
--- a/src/plugins/intel_gpu/include/intel_gpu/primitives/kv_cache.hpp
+++ b/src/plugins/intel_gpu/include/intel_gpu/primitives/kv_cache.hpp
@@ -68,7 +68,7 @@ struct kv_cache : public primitive_base<kv_cache> {
     void load(BinaryInputBuffer& ib) override {
         primitive_base<kv_cache>::load(ib);
         ov::PartialShape data_shape;
-        ov::element::Type_t data_type;
+        ov::element::Type_t data_type = ov::element::Type_t::undefined;
         std::string variable_id;
         ib >> variable_id;
         ib >> data_shape;
diff --git a/src/plugins/intel_gpu/include/intel_gpu/primitives/read_value.hpp b/src/plugins/intel_gpu/include/intel_gpu/primitives/read_value.hpp
index 97824c23dfdd41..bcff06188c9730 100644
--- a/src/plugins/intel_gpu/include/intel_gpu/primitives/read_value.hpp
+++ b/src/plugins/intel_gpu/include/intel_gpu/primitives/read_value.hpp
@@ -57,7 +57,7 @@ struct read_value : public primitive_base<read_value> {
 
     void load(BinaryInputBuffer& ib) override {
         primitive_base<read_value>::load(ib);
-        ov::element::Type_t data_type;
+        ov::element::Type_t data_type = ov::element::Type_t::undefined;
         ib >> variable_id;
         ib >> output_layout;
         ib >> make_data(&data_type, sizeof(ov::element::Type_t));
diff --git a/src/plugins/intel_gpu/src/kernel_selector/kernel_selector_common.h b/src/plugins/intel_gpu/src/kernel_selector/kernel_selector_common.h
index 2947ed863232a5..627fdf758586a3 100644
--- a/src/plugins/intel_gpu/src/kernel_selector/kernel_selector_common.h
+++ b/src/plugins/intel_gpu/src/kernel_selector/kernel_selector_common.h
@@ -73,7 +73,7 @@ struct clKernelData {
 struct WeightsReorderParams {
     WeightsTensor src;
     WeightsTensor dest;
-    bool rotate;
+    bool rotate = false;
     bool is_initialized = false;
 };
 
diff --git a/src/plugins/intel_gpu/src/kernel_selector/tensor_type.h b/src/plugins/intel_gpu/src/kernel_selector/tensor_type.h
index 6fdcf75b45dd6a..02cf8f692ef17f 100644
--- a/src/plugins/intel_gpu/src/kernel_selector/tensor_type.h
+++ b/src/plugins/intel_gpu/src/kernel_selector/tensor_type.h
@@ -471,8 +471,8 @@ struct TensorBase {
 template <typename DType, typename Layout>
 struct TensorBaseT : public TensorBase {
 protected:
-    DType dtype;
-    Layout layout;
+    DType dtype = DType();
+    Layout layout = Layout();
 
     template <typename ArrayT, typename ChannelName>
     static inline int ChannelIndex(const ArrayT& channelArr, Layout l, ChannelName channelName) {
diff --git a/src/plugins/intel_gpu/thirdparty/onednn_gpu b/src/plugins/intel_gpu/thirdparty/onednn_gpu
index 26c5598cccbc14..9b33b6e4fd311c 160000
--- a/src/plugins/intel_gpu/thirdparty/onednn_gpu
+++ b/src/plugins/intel_gpu/thirdparty/onednn_gpu
@@ -1 +1 @@
-Subproject commit 26c5598cccbc144ff49255a0b44f00cb9b19e6f3
+Subproject commit 9b33b6e4fd311cf05343bbce1a9e5398f718cf29