Mac OS X kernel "fpathconf()" syscall fails to properly handle unknown file types

Overview A vulnerability in the Mac OS X kernel could allow an authenticated local attacker to cause a denial of service. Description The fpathconf system call provides a method for applications to determine the current value of a configurable system limit or option variable associated with a fil...

CVE-2006-5836

The CVE-2006-5836 entry concerns the Mac OS X kernel (Darwin/XNU) fpathconf() syscall in kern_descrip.c, affecting Darwin 8.8.1. The vulnerability allows an authenticated local attacker to trigger a kernel panic (DoS) via a file descriptor associated with an unrecognized file type (e.g., semaphor...