This is a note to let you know that I've just added the patch titled netfilter: nf_tables: disallow timeout for anonymous sets to the 6.1-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-timeout-for-anonymous-sets.patch and it can be found in the queue-6.1 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From e26d3009efda338f19016df4175f354a9bd0a4ab Mon Sep 17 00:00:00 2001 From: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx> Date: Fri, 16 Jun 2023 15:22:18 +0200 Subject: netfilter: nf_tables: disallow timeout for anonymous sets From: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx> commit e26d3009efda338f19016df4175f354a9bd0a4ab upstream. Never used from userspace, disallow these parameters. Signed-off-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- net/netfilter/nf_tables_api.c | 7 +++++++ 1 file changed, 7 insertions(+) --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -4752,6 +4752,9 @@ static int nf_tables_newset(struct sk_bu if (!(flags & NFT_SET_TIMEOUT)) return -EINVAL; + if (flags & NFT_SET_ANONYMOUS) + return -EOPNOTSUPP; + err = nf_msecs_to_jiffies64(nla[NFTA_SET_TIMEOUT], &desc.timeout); if (err) return err; @@ -4760,6 +4763,10 @@ static int nf_tables_newset(struct sk_bu if (nla[NFTA_SET_GC_INTERVAL] != NULL) { if (!(flags & NFT_SET_TIMEOUT)) return -EINVAL; + + if (flags & NFT_SET_ANONYMOUS) + return -EOPNOTSUPP; + desc.gc_int = ntohl(nla_get_be32(nla[NFTA_SET_GC_INTERVAL])); } Patches currently in stable-queue which might be from pablo@xxxxxxxxxxxxx are queue-6.1/netfilter-nf_tables-disallow-timeout-for-anonymous-sets.patch