Issues

• ext4_dir_dx_add_entry: a split can write over the htree root (heap-buffer-overflow in ext4_dir_dx_insert_entry)

  gkostka/lwext4#175 · Filter by author christhomas opened on Oct 16, 2026

• [security] lwext4/src/ext4_fs.c FPE in ext4_fs_init_inode_table

  gkostka/lwext4#174 · Filter by author ald-rd opened on Oct 13, 2026
  1

• [security] lwext4/src/ext4_fs.c Out-of-Bounds Write in ext4_fs_init_block_bitmap

  gkostka/lwext4#173 · Filter by author ald-rd opened on Oct 13, 2026
  1

• [security] lwext4/src/ext4_fs.c Out-of-Bounds Write in ext4_fs_mark_bitmap_end

  gkostka/lwext4#172 · Filter by author ald-rd opened on Oct 13, 2026
  1

• [security] lwext4/src/ext4_fs.c heap-buffer-overflow in ext4_fs_init_block_bitmap

  gkostka/lwext4#171 · Filter by author ald-rd opened on Oct 13, 2026
  1

• [security] lwext4/src/ext4_fs.c Out-of-Bounds Write in ext4_fs_init_block_bitmap (bmp_blk - first_bg underflow)

  gkostka/lwext4#170 · Filter by author ald-rd opened on Oct 13, 2026
  1

• [security] lwext4/src/ext4_dir_idx.c Out-of-Bounds Read in ext4_dir_dx_checksum

  gkostka/lwext4#169 · Filter by author ald-rd opened on Oct 13, 2026
  1

• ext4_fread returns device block 0 for whole-block holes in sparse files

  gkostka/lwext4#101 · Filter by author christhomas opened on Sep 28, 2026

• Out-of-bounds read: ext4_ext_check() does not bound eh_max/eh_entries to block capacity

  gkostka/lwext4#100 · Filter by author gburd opened on Jul 14, 2026
  1

• [security] lwext4/src/ext4_fs.c heap-buffer-overflow in ext4_fs_init_inode_bitmap

  gkostka/lwext4#93 · Filter by author Daniil-KOT opened on Dec 11, 2025
  1

• [security] lwext4/include/ext4_bitmap.h Out-of-Bounds Write in ext4_bmap_bit_set

  gkostka/lwext4#92 · Filter by author Daniil-KOT opened on Dec 11, 2025
  1

• [security] lwext4/include/ext4_dir.h Out-of-Bounds Read in ext4_ext_binsearch_idx

  gkostka/lwext4#91 · Filter by author sigdevel opened on Dec 9, 2025
  1

• [security] lwext4/src/ext4_blockdev.c FPE in ext4_block_set_lb_size

  gkostka/lwext4#90 · Filter by author sigdevel opened on Dec 9, 2025
  1

• [security] lwext4/include/ext4_dir.h NULL pointer dereference in ext4_dir_en_get_name_len

  gkostka/lwext4#89 · Filter by author sigdevel opened on Dec 9, 2025
  1

• JBD support has issues when performing journal transction replay

  gkostka/lwext4#86 · Filter by author yeerwu opened on May 27, 2024

• Multi-threaded support

  gkostka/lwext4#83 · Filter by author wkozaczuk opened on Feb 14, 2024

• Reading data from an EXT4 GPT partition.

  gkostka/lwext4#82 · Filter by author kuttikrishnan opened on Jan 12, 2024

• Does lwext4 support concurrency fs request from the same mount partition?

  gkostka/lwext4#79 · Filter by author xuesong-lldd opened on Aug 16, 2023

• Should this place return i

  gkostka/lwext4#77 · Filter by author xiaoxiang-kuang opened on Jun 14, 2023

• Support partition offset and size for linux file device

  gkostka/lwext4#75 · Filter by author rick-masters opened on Jun 9, 2023

• Partition CHS values in MBR are incorrect

  gkostka/lwext4#73 · Filter by author rick-masters opened on Jun 9, 2023

• Bug: Over-allocating blocks during mkfs

  gkostka/lwext4#72 · Filter by author lungj opened on Mar 8, 2023
  1

• Unreleased heap memory

  gkostka/lwext4#68 · Filter by author pob1234 opened on Jan 19, 2023
  4

• Failure on writing large files

  gkostka/lwext4#67 · Filter by author emillindq opened on Dec 29, 2022

• Standalone library

  gkostka/lwext4#66 · Filter by author Dreaded-Gnu opened on Dec 28, 2022
  1