CVE-2026-43654 Apple内核内存泄露漏洞

// Conceptual PoC for CVE-2026-43654 (Kernel Memory Disclosure) // This PoC simulates the behavior of reading kernel memory due to improper bounds checking. #include <stdio.h> #include <stdlib.h> #include <string.h> // Simulating a vulnerable kernel interface that leaks memory int vulnerable_read_kernel_memory(uint64_t user_buffer, size_t size) { // Vulnerability: Lack of proper bounds checking allows reading beyond intended buffer // In a real scenario, this would be a syscall or IOKit exploit char kernel_data[] = "SENSITIVE_KERNEL_DATA_12345"; // Simulating copying kernel data to user space without limit memcpy((void*)user_buffer, kernel_data, size); return 0; } int main() { printf("[*] CVE-2026-43654 PoC Trigger\n"); // Allocate buffer to hold leaked data char *leak_buffer = (char *)malloc(256); if (!leak_buffer) { perror("malloc"); return -1; } // Attempt to exploit the vulnerability printf("[*] Attempting to read kernel memory...\n"); vulnerable_read_kernel_memory((uint64_t)leak_buffer, 256); printf("[+] Leaked Kernel Memory Content: %s\n", leak_buffer); free(leak_buffer); return 0; }