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commit dce766af54 upstream.
normal users are currently allowed to set/modify ebtables rules.
Restrict it to processes with CAP_NET_ADMIN.
Note that this cannot be reproduced with unmodified ebtables binary
because it uses SOCK_RAW.
Signed-off-by: Florian Westphal <fwestphal@astaro.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>