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Commit ce0ff577 authored by Ori Nimron's avatar Ori Nimron Committed by 谢秀奇
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mISDN: enforce CAP_NET_RAW for raw sockets


[ Upstream commit b91ee4aa ]

When creating a raw AF_ISDN socket, CAP_NET_RAW needs to be checked
first.

Signed-off-by: default avatarOri Nimron <orinimron123@gmail.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: default avatarYang Yingliang <yangyingliang@huawei.com>
parent ea248dc5
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......@@ -764,6 +764,8 @@ base_sock_create(struct net *net, struct socket *sock, int protocol, int kern)
if (sock->type != SOCK_RAW)
return -ESOCKTNOSUPPORT;
if (!capable(CAP_NET_RAW))
return -EPERM;
sk = sk_alloc(net, PF_ISDN, GFP_KERNEL, &mISDN_proto, kern);
if (!sk)
......
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