[Snippets][CPU] Fix full dim subtensor setting for port descriptor

Author: aobolensk

src/common/snippets/src/lowered/port_descriptor.cpp

@@ -38,6 +38,8 @@ void PortDescriptor::validate_arguments() {
         // NCHW layout by default
         std::iota(m_layout.begin(), m_layout.end(), 0);
     }
+    OPENVINO_ASSERT(m_subtensor_shape.size() <= m_tensor_shape->size(),
+                    "Snippets tensor descriptor: Subtensor shape must be less than or equal to tensor shape");
     OPENVINO_ASSERT(m_layout.size() == m_tensor_shape->size(), "Snippets tensor descriptor: Layout size must be equal to the shape size");
 }
 

src/plugins/intel_cpu/src/transformations/snippets/x64/pass/brgemm_to_brgemm_cpu.cpp

@@ -27,8 +27,8 @@ namespace {
 template <typename T>
 void set_full_port_desc(const T& port) {
     const auto& shape_rank = port.get_partial_shape().size();
-    static const std::vector<size_t> full_dim_subtensor(std::min(shape_rank, static_cast<size_t>(2)),
-                                                        ov::snippets::utils::get_full_dim_value());
+    const std::vector<size_t> full_dim_subtensor(std::min(shape_rank, static_cast<size_t>(2)),
+                                                 ov::snippets::utils::get_full_dim_value());
     PortDescriptorUtils::set_port_descriptor(port, full_dim_subtensor);
 }
 }  // namespace