Bug#818426: kfreebsd-10: CVE-2016-1885: incorrect argument validation in sysarch(2)

[Steven Chamberlain <steven@pyro.eu.org>]

Package: src:kfreebsd-10
Version: 10.1~svn274115-4+kbsd8u2
Severity: grave
Tags: upstream patch

A local unprivileged user could trigger a kernel panic or DoS attack
on kfreebsd-amd64 via sysarch(2) sysctls:

https://security.freebsd.org/advisories/FreeBSD-SA-16:15.sysarch.asc

This affects kfreebsd-10, and also kfreebsd-9 in wheezy.

-- System Information:
Debian Release: stretch/sid
  APT prefers unstable
  APT policy: (500, 'unstable'), (1, 'experimental')
Architecture: kfreebsd-amd64 (x86_64)

Kernel: kFreeBSD 10.1-0-amd64
Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash