net: Verify permission to link_net in newlink
authorEric W. Biederman <ebiederm@xmission.com>
Thu, 26 Feb 2015 22:20:07 +0000 (16:20 -0600)
committerDavid S. Miller <davem@davemloft.net>
Sat, 28 Feb 2015 20:14:44 +0000 (15:14 -0500)
commit06615bed60c1fb7c37adddb75bdc80da873b5edb
tree5aec831c22db9ff0326d701b03059b09ead59aaf
parent505ce4154ac86c250aa4a84a536dd9fc56479bb5
net: Verify permission to link_net in newlink

When applicable verify that the caller has permisson to the underlying
network namespace for a newly created network device.

Similary checks exist for the network namespace a network device will
be created in.

Fixes: 317f4810e45e ("rtnl: allow to create device with IFLA_LINK_NETNSID set")
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Acked-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/core/rtnetlink.c