From: Pablo Neira Ayuso <pablo@netfilter.org> mainline inclusion from mainline-v6.4 commit 3e70489721b6c870252c9082c496703677240f53 category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/I7H68N CVE: CVE-2023-3117 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?i... -------------------------------- Otherwise a dangling reference to a rule object that is gone remains in the set binding list. Fixes: 26b5a5712eb8 ("netfilter: nf_tables: add NFT_TRANS_PREPARE_ERROR to deal with bound set/chain") Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: Lu Wei <luwei32@huawei.com> Signed-off-by: Jialin Zhang <zhangjialin11@huawei.com> --- net/netfilter/nf_tables_api.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index cf5df4eb7b41..cf2ada607b3d 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -4561,6 +4561,8 @@ void nf_tables_deactivate_set(const struct nft_ctx *ctx, struct nft_set *set, nft_set_trans_unbind(ctx, set); if (nft_set_is_anonymous(set)) nft_deactivate_next(ctx->net, set); + else + list_del_rcu(&binding->list); set->use--; break; -- 2.25.1