CVE-2026-26072 EVerest数据竞争漏洞

// Conceptual PoC demonstrating the Data Race // This is a C++ simulation of the std::map concurrent access issue. #include <iostream> #include <map> #include <thread> #include <optional> #include <chrono> std::map<int, std::optional<double>> powermeter_data; bool running = true; // Simulates EV SoC Update / Powermeter Periodic Update void periodic_updater() { while (running) { // Unsafe write access powermeter_data[1] = 50.5; std::this_thread::sleep_for(std::chrono::milliseconds(10)); } } // Simulates Unplugging / SessionFinished event handler void session_finish_handler() { // Unsafe read/erase access auto it = powermeter_data.find(1); if (it != powermeter_data.end()) { // Potential data race here if concurrent write happens double val = it->second.value_or(0.0); std::cout << "Value: " << val << std::endl; powermeter_data.erase(it); } } int main() { std::thread t1(periodic_updater); // Simulate the trigger event std::this_thread::sleep_for(std::chrono::milliseconds(50)); session_finish_handler(); running = false; t1.join(); return 0; }