Apple macOS/iOS Kernel 10.12.3 (16D32) - 'bpf' Heap Overflow

/ Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1125 The bpf ioctl BIOCSBLEN allows userspace to set the bpf buffer length: case BIOCSBLEN: / uint / if d-bdbif != 0 error = EINVAL; else uint size; bcopyaddr, &size, sizeof size; if size bpfmaxbufsize size = bpfmaxbufsize; else ...