In the Linux kernel 4.15.0, a NULL pointer dereference was discovered in hfs_ext_read_extent in hfs.ko. This can occur during a mount of a crafted hfs filesystem.
| Software | From | Fixed in |
|---|---|---|
| linux / linux_kernel | 4.15 | 4.15.x |
| canonical / ubuntu_linux | 16.04.4 | 16.04.4.x |