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.
Note:References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
IDEFENSE:20061010 FreeBSD ptrace PT_LWPINFO Denial of Service Vulnerability
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