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authorEric W. Biederman <ebiederm@xmission.com>2012-11-16 04:03:12 +0100
committerDavid S. Miller <davem@davemloft.net>2012-11-19 02:33:37 +0100
commit3594698a1fb8e5ae60a92c72ce9ca280256939a7 (patch)
tree54360b8a85136ebfeb10f76cfa207a23fb6035e9 /net/ipv6
parentnet: Enable a userns root rtnl calls that are safe for unprivilged users (diff)
downloadlinux-3594698a1fb8e5ae60a92c72ce9ca280256939a7.tar.xz
linux-3594698a1fb8e5ae60a92c72ce9ca280256939a7.zip
net: Make CAP_NET_BIND_SERVICE per user namespace
Allow privileged users in any user namespace to bind to privileged sockets in network namespaces they control. Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6')
-rw-r--r--net/ipv6/af_inet6.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index 4b29f6b52c11..b043c60429bd 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -283,7 +283,7 @@ int inet6_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
return -EINVAL;
snum = ntohs(addr->sin6_port);
- if (snum && snum < PROT_SOCK && !capable(CAP_NET_BIND_SERVICE))
+ if (snum && snum < PROT_SOCK && !ns_capable(net->user_ns, CAP_NET_BIND_SERVICE))
return -EACCES;
lock_sock(sk);