CVE-2006-4516

CVE-2006-4516 affects FreeBSD 6.0-RELEASE. The kernel’s PT_LWPINFO ptrace handling has a signedness flaw: a large negative data value can bypass the signed check and be passed to copyout, causing memory corruption and kernel panic. Impact is a local denial-of-service condition. Described in iDefe...

iDefense Security Advisory 10.10.06: FreeBSD ptrace PT_LWPINFO Denial of Service Vulnerability

FreeBSD ptrace PTLWPINFO Denial of Service Vulnerability iDefense Security Advisory 10.10.06 http://www.idefense.com/intelligence/vulnerabilities/ Oct 10, 2006 I. BACKGROUND FreeBSD is a modern operating system for x86, amd64, Alpha, IA-64, PC-98 and SPARC architectures. It's based on the UNIX...