Some AIO operations in FreeBSD 4.4 may be delayed until after a call to execve, which could allow a local user to overwrite memory of the new process and gain privileges.Referenceshttp://www.iss.net/security_center/static/7693.phphttp://www.securityfocus.com/archive/1/244583http://www.securityfocus.com/bid/3661http://www.osvdb.org/2001