CVE-2026-13215

The Zephyr RTOS ext2 filesystem driver fails to bounds-check the s_log_block_size field in ext2_verify_disk_superblock() (subsys/fs/ext2/ext2_impl.c). A crafted value causes the computed block size (1024 <

CVE-2026-7007

The CVE-2026-7007 issue affects Zephyr ext2: the on-disk superblock validation did not require non-zero values for s_blocks_per_group and s_inodes_per_group. If either field is zero, get_ngroups() and get_itable_entry() perform divisions using those fields during mount, triggering a divide-by-zer...