The ext4_iget function in fs/ext4/inode.c in the Linux kernel through 4.15.15 mishandles the case of a root directory with a zero i_links_count, which allows attackers to cause a denial of service (ext4_process_freed_data NULL pointer dereference and OOPS) via a crafted ext4 image.
| Product | Vendor | Version |
|---|---|---|
| Linux kernel through version 4.15 | n/a | 15.8(3)M2a |