The setitimer(2) system call in OpenBSD 2.0 through 3.1 does not properly check certain arguments, which allows local users to write to kernel memory and possibly gain root privileges, possibly via an integer signedness error.Referencesftp://ftp.openbsd.org/pub/OpenBSD/patches/3.0/common/032_kerntime.patchhttp://www.openbsd.org/plus32.htmlhttp://www.iss.net/security_center/static/10278.phphttp://www.securityfocus.com/bid/5861
