This is a note to let you know that I've just added the patch titled
netfilter: nf_tables: disallow updates of anonymous sets
to the 5.15-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
netfilter-nf_tables-disallow-updates-of-anonymous-se.patch
and it can be found in the queue-5.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 8886b698cea927ec5b56acaf3b448b832c0c0a72
Author: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
Date: Fri Jun 16 15:22:01 2023 +0200
netfilter: nf_tables: disallow updates of anonymous sets
[ Upstream commit b770283c98e0eee9133c47bc03b6cc625dc94723 ]
Disallow updates of set timeout and garbage collection parameters for
anonymous sets.
Fixes: 123b99619cca ("netfilter: nf_tables: honor set timeout and garbage collection updates")
Signed-off-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index 66328326ec05e..826bd961d90c1 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -4628,6 +4628,9 @@ static int nf_tables_newset(struct sk_buff *skb, const struct nfnl_info *info,
if (info->nlh->nlmsg_flags & NLM_F_REPLACE)
return -EOPNOTSUPP;
+ if (nft_set_is_anonymous(set))
+ return -EOPNOTSUPP;
+
err = nft_set_expr_alloc(&ctx, set, nla, exprs, &num_exprs, flags);
if (err < 0)
return err;
