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Bug#712664: kfreebsd-9: CVE-2013-2171: Privilege escalation via mmap

A suggested workaround on vulnerable systems is:
sysctl security.bsd.unprivileged_proc_debug=0

(which works by disabling some functionality of GDB to non-root users)

Also the use of jails or securelevel could reduce the potential damage.

Steven Chamberlain

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