CVE-2006-4516 Information

Description

Integer signedness error in FreeBSD 6.0-RELEASE allows local users to cause a denial of service (memory corruption and kernel panic) via a PT_LWPINFO ptrace command with a large negative data value that satisfies a signed maximum value check but is used in an unsigned copyout function call.

Reference

http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=419 http://secunia.com/advisories/22367 http://www.securityfocus.com/bid/20440 https://exchange.xforce.ibmcloud.com/vulnerabilities/29476