| From | Greg Kroah-Hartman <> | Subject | [PATCH 5.3 035/344] ax25: enforce CAP_NET_RAW for raw sockets | Date | Thu, 3 Oct 2019 17:50:00 +0200 |
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From: Ori Nimron <orinimron123@gmail.com>
[ Upstream commit 0614e2b73768b502fc32a75349823356d98aae2c ]
When creating a raw AF_AX25 socket, CAP_NET_RAW needs to be checked first.
Signed-off-by: Ori Nimron <orinimron123@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- net/ax25/af_ax25.c | 2 ++ 1 file changed, 2 insertions(+)
--- a/net/ax25/af_ax25.c +++ b/net/ax25/af_ax25.c @@ -855,6 +855,8 @@ static int ax25_create(struct net *net, break; case SOCK_RAW: + if (!capable(CAP_NET_RAW)) + return -EPERM; break; default: return -ESOCKTNOSUPPORT;
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