From: Florian Westphal <fw@xxxxxxxxx>
commit 9ec22d7c6c69146180577f3ad5fdf504beeaee62 upstream.
Fixes: af308b94a2a4a5 ("netfilter: nf_tables: add tunnel support")
Signed-off-by: Florian Westphal <fw@xxxxxxxxx>
Signed-off-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
net/netfilter/nft_tunnel.c | 3 +++
1 file changed, 3 insertions(+)
--- a/net/netfilter/nft_tunnel.c
+++ b/net/netfilter/nft_tunnel.c
@@ -266,6 +266,9 @@ static int nft_tunnel_obj_erspan_init(co
if (err < 0)
return err;
+ if (!tb[NFTA_TUNNEL_KEY_ERSPAN_VERSION])
+ return -EINVAL;
+
version = ntohl(nla_get_be32(tb[NFTA_TUNNEL_KEY_ERSPAN_VERSION]));
switch (version) {
case ERSPAN_VERSION:
