VYPR

ext2 filesystem driver

by Zephyrproject Rtos

Source repositories

CVEs (2)

  • CVE-2026-10645MedJun 23, 2026
    risk 0.32cvss 4.9epss 0.00

    The Zephyr ext2 filesystem driver (subsys/fs/ext2) trusted the on-disk directory entry fields de_rec_len and de_name_len when walking a directory block. ext2_fetch_direntry() guarded only with de_name_len > EXT2_MAX_FILE_NAME, but de_name_len is a uint8_t and EXT2_MAX_FILE_NAME…

  • CVE-2026-13478MedAug 25, 2026
    risk 0.29cvss 5.5epss 0.00

    The Zephyr ext2 filesystem driver validates the on-disk block bitmap in ext2_init_fs() (subsys/fs/ext2/ext2_impl.c) by passing fs_blocks = s_blocks_count - s_first_data_block to ext2_bitmap_count_set(). That helper (subsys/fs/ext2/ext2_bitmap.c) treats its argument as a number…