CVE-2026-26073 EVerest 数据竞争漏洞

#include <thread> #include <queue> #include <iostream> // Mock vulnerable component simulating EVerest behavior class VulnerableQueueManager { public: std::queue<int> shared_queue; // Missing std::mutex mtx; in vulnerable version // Simulate Powermeter public key update void update_key() { // Simulate heavy modification of the queue structure for (int i = 0; i < 100; ++i) { shared_queue.push(i); } // Potential corruption if another thread pops here } // Simulate EV session/error event handling void handle_event() { if (!shared_queue.empty()) { shared_queue.pop(); } } }; void trigger_race() { VulnerableQueueManager manager; // Thread 1: Attacker triggers key update std::thread t1([&manager]() { manager.update_key(); }); // Thread 2: System handles EV session concurrently std::thread t2([&manager]() { manager.handle_event(); }); t1.join(); t2.join(); std::cout << "Race condition triggered. Check with TSAN for data race reports." << std::endl; } int main() { trigger_race(); return 0; }