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netfilter: nf_tables: disallow rule addition to bound chain via NFTA_RULE_CHAIN_ID

Phil Sutter requested to merge psutter1/centos-stream-9:c9s/bz2225271 into main

Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=2225271 Upstream Status: commit 0ebc1064e4874 CVE: CVE-2023-4147

commit 0ebc1064e4874d5987722a2ddbc18f94aa53b211 Author: Pablo Neira Ayuso pablo@netfilter.org Date: Sun Jul 23 16:41:48 2023 +0200

netfilter: nf_tables: disallow rule addition to bound chain via NFTA_RULE_CHAIN_ID

Bail out with EOPNOTSUPP when adding rule to bound chain via
NFTA_RULE_CHAIN_ID. The following warning splat is shown when
adding a rule to a deleted bound chain:

 WARNING: CPU: 2 PID: 13692 at net/netfilter/nf_tables_api.c:2013 nf_tables_chain_destroy+0x1f7/0x210 [nf_tables]
 CPU: 2 PID: 13692 Comm: chain-bound-rul Not tainted 6.1.39 #1
 RIP: 0010:nf_tables_chain_destroy+0x1f7/0x210 [nf_tables]

Fixes: d0e2c7de92c7 ("netfilter: nf_tables: add NFT_CHAIN_BINDING")
Reported-by: Kevin Rich <kevinrich1337@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Florian Westphal <fw@strlen.de>

Signed-off-by: Phil Sutter psutter@redhat.com

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