fs: ext2: Missing structural validation of directory entries can cause out-of-bounds read and zero-progress directory traversal_CVE-2026-10645
Zephyr's ext2 directory-entry parser does not fully validate on-disk directory entry structure before copying the entry name and advancing traversal state. In ext2_fetch_direntry() (subsys/fs/ext2/ext2_diskops.c), the code only checks de_name_len <= EXT2_MAX_FILE_NAME and then...