5.10-stable review patch. If anyone has any objections, please let me know. ------------------ From: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx> commit e26d3009efda338f19016df4175f354a9bd0a4ab upstream. Never used from userspace, disallow these parameters. Signed-off-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx> [Keerthana: code surrounding the patch is different because nft_set_desc is not present in v4.19-v5.10] Signed-off-by: Keerthana K <keerthana.kalyanasundaram@xxxxxxxxxxxx> 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 @@ -4457,6 +4457,9 @@ static int nf_tables_newset(struct net * if (!(flags & NFT_SET_TIMEOUT)) return -EINVAL; + if (flags & NFT_SET_ANONYMOUS) + return -EOPNOTSUPP; + err = nf_msecs_to_jiffies64(nla[NFTA_SET_TIMEOUT], &timeout); if (err) return err; @@ -4465,6 +4468,10 @@ static int nf_tables_newset(struct net * if (nla[NFTA_SET_GC_INTERVAL] != NULL) { if (!(flags & NFT_SET_TIMEOUT)) return -EINVAL; + + if (flags & NFT_SET_ANONYMOUS) + return -EOPNOTSUPP; + gc_int = ntohl(nla_get_be32(nla[NFTA_SET_GC_INTERVAL])); }