The hfsplus_block_allocate function in fs/hfsplus/bitmap.c in the Linux kernel before 2.6.28-rc1 does not check a certain return value from the read_mapping_page function before calling kmap, which allows attackers to cause a denial of service (system crash) via a crafted hfsplus filesystem image.
| Software | From | Fixed in |
|---|---|---|
| linux / linux_kernel | - | 2.6.28 |
| debian / debian_linux | 4.0 | 4.0.x |
| canonical / ubuntu_linux | 6.06 | 6.06.x |
| canonical / ubuntu_linux | 7.10 | 7.10.x |
| canonical / ubuntu_linux | 8.04 | 8.04.x |
| canonical / ubuntu_linux | 8.10 | 8.10.x |