CVE-2026-23267

The CVE-2026-23267 issue is a Linux kernel f2fs race where an IS_CHECKPOINTED flag inconsistency during atomic commits could cause an -EINVAL in f2fs_recover_inode_page. The root cause is a race between f2fs_ioc_commit_atomic_write and f2fs_write_checkpoint, with the last_folio’s nat_entry flag n...