From: Pablo Neira Ayuso <pablo@netfilter.org>
To: netfilter-devel@vger.kernel.org
Cc: davem@davemloft.net, netdev@vger.kernel.org
Subject: [PATCH 5/9] netfilter: nft_tunnel: ERSPAN_VERSION must not be null
Date: Thu, 16 Jan 2020 20:50:40 +0100 [thread overview]
Message-ID: <20200116195044.326614-6-pablo@netfilter.org> (raw)
In-Reply-To: <20200116195044.326614-1-pablo@netfilter.org>
From: Florian Westphal <fw@strlen.de>
Fixes: af308b94a2a4a5 ("netfilter: nf_tables: add tunnel support")
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
net/netfilter/nft_tunnel.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/net/netfilter/nft_tunnel.c b/net/netfilter/nft_tunnel.c
index d89c7c553030..5284fcf16be7 100644
--- a/net/netfilter/nft_tunnel.c
+++ b/net/netfilter/nft_tunnel.c
@@ -266,6 +266,9 @@ static int nft_tunnel_obj_erspan_init(const struct nlattr *attr,
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:
--
2.11.0
next prev parent reply other threads:[~2020-01-16 19:50 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-16 19:50 [PATCH 0/9] Netfilter updates for net Pablo Neira Ayuso
2020-01-16 19:50 ` [PATCH 1/9] netfilter: fix a use-after-free in mtype_destroy() Pablo Neira Ayuso
2020-01-16 19:50 ` [PATCH 2/9] netfilter: arp_tables: init netns pointer in xt_tgdtor_param struct Pablo Neira Ayuso
2020-01-16 19:50 ` [PATCH 3/9] netfilter: nf_tables: store transaction list locally while requesting module Pablo Neira Ayuso
2020-01-16 19:50 ` [PATCH 4/9] netfilter: nft_tunnel: fix null-attribute check Pablo Neira Ayuso
2020-01-16 19:50 ` Pablo Neira Ayuso [this message]
2020-01-16 19:50 ` [PATCH 6/9] netfilter: nf_tables: remove WARN and add NLA_STRING upper limits Pablo Neira Ayuso
2020-01-16 19:50 ` [PATCH 7/9] netfilter: nf_tables: fix memory leak in nf_tables_parse_netdev_hooks() Pablo Neira Ayuso
2020-01-16 19:50 ` [PATCH 8/9] netfilter: nf_tables: fix flowtable list del corruption Pablo Neira Ayuso
2020-01-16 19:50 ` [PATCH 9/9] netfilter: nat: fix ICMP header corruption on ICMP errors Pablo Neira Ayuso
2020-01-17 9:37 ` [PATCH 0/9] Netfilter updates for net David Miller
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