Bsd Now

This week on BSDNow, we have all sorts of interesting news, including a Kernel Fuzzing audit done for OpenBSD, a much improved This episode was brought to you by Headlines Multiple Bugs in OpenBSD Kernel (http://marc.info/?l=oss-security&m=146853062403622&w=2) Its patch Wednesday! (OR last Thursday if you were watching the mailing lists) Jesse Hertz and Tim Newsham (part of the NCC Group calling themselves project Triforce) have been working with the OpenBSD team to fix some newly discovered bugs in the kernel using fuzzing. Specifically they were able to track down several potential methods to corrupt memory or panic the kernel: mmap_panic: Malicious calls to mmap() can trigger an allocation panic or trigger memory corruption. kevent_panic: Any user can panic the kernel with the kevent system call. thrsleeppanic: Any user can panic the kernel with the _thrsleep system Call. thrsigdivertpanic: Any user can panic the kernel with the _thrsigdivert system call. ufsgetdentspanic: Any user can panic the kernel wi