Unverified Commit 84f1ee4e authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!1728 fix CVE-2023-4128 

Merge Pull Request from: @ci-robot 
 
PR sync from: Liu Jian <liujian56@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/U6LBAC5GRFGPJNYEXQY4JLRBPV67R6GI/ 
fix CVE-2023-4128 in openEuler1.0

valis (3):
  net/sched: cls_u32: No longer copy tcf_result on update to avoid
    use-after-free
  net/sched: cls_route: No longer copy tcf_result on update to avoid
    use-after-free
  net/sched: cls_fw: No longer copy tcf_result on update to avoid
    use-after-free


-- 
2.34.1
 
https://gitee.com/src-openeuler/kernel/issues/I7SAP1 
 
Link:https://gitee.com/openeuler/kernel/pulls/1728

 

Reviewed-by: default avatarYue Haibing <yuehaibing@huawei.com>
Signed-off-by: default avatarLiu YongQiang <liuyongqiang13@huawei.com>
parents 0c47e2ce 04b4f7a7

net/sched/cls_fw.c

+0 −1
Original line number Diff line number Diff line
@@ -277,7 +277,6 @@ static int fw_change(struct net *net, struct sk_buff *in_skb, 
			return -ENOBUFS;



		fnew->id = f->id;

		fnew->res = f->res;

#ifdef CONFIG_NET_CLS_IND

		fnew->ifindex = f->ifindex;

#endif /* CONFIG_NET_CLS_IND */

net/sched/cls_route.c

+0 −1
Original line number Diff line number Diff line
@@ -503,7 +503,6 @@ static int route4_change(struct net *net, struct sk_buff *in_skb, 
	if (fold) {

		f->id = fold->id;

		f->iif = fold->iif;

		f->res = fold->res;

		f->handle = fold->handle;



		f->tp = fold->tp;

net/sched/cls_u32.c

+0 −1
Original line number Diff line number Diff line
@@ -879,7 +879,6 @@ static struct tc_u_knode *u32_init_knode(struct tcf_proto *tp, 
	new->ifindex = n->ifindex;

#endif

	new->fshift = n->fshift;

	new->res = n->res;

	new->flags = n->flags;

	RCU_INIT_POINTER(new->ht_down, ht);