diff --git a/src/inference/src/os/lin/lin_system_conf.cpp b/src/inference/src/os/lin/lin_system_conf.cpp
index f8bd16173b8fce..9b6247c6691814 100644
--- a/src/inference/src/os/lin/lin_system_conf.cpp
+++ b/src/inference/src/os/lin/lin_system_conf.cpp
@@ -188,6 +188,7 @@ CPU::CPU() {
         } else if (valid_cpu_mapping_table.size() == (unsigned)_processors) {
             return 0;
         } else {
+            std::lock_guard<std::mutex> lock{_cpu_mutex};
             _processors = valid_cpu_mapping_table.size();
             _cpu_mapping_table.swap(valid_cpu_mapping_table);
             update_valid_processor_linux(std::move(phy_core_list),