Unverified Commit 9551ca44 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!9654 mac80211: validate extended element ID is present 

Merge Pull Request from: @ci-robot 
 
PR sync from: Hui Tang <tanghui20@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/JPC7ZTQ5HHDJEVU7IL5CV4AGTOPX24V7/ 
 
https://gitee.com/src-openeuler/kernel/issues/IA6SIX 
 
Link:https://gitee.com/openeuler/kernel/pulls/9654

 

Reviewed-by: default avatarLiu YongQiang <liuyongqiang13@huawei.com>
Reviewed-by: default avatarZucheng Zheng <zhengzucheng@huawei.com>
Signed-off-by: default avatarZhang Changzhong <zhangchangzhong@huawei.com>
parents ab5c423a 37c000fe

net/mac80211/util.c

+2 −0
Original line number Diff line number Diff line
@@ -1096,6 +1096,8 @@ u32 ieee802_11_parse_elems_crc(const u8 *start, size_t len, bool action, 
				elems->max_idle_period_ie = (void *)pos;

			break;

		case WLAN_EID_EXTENSION:

			if (!elen)

				break;

			if (pos[0] == WLAN_EID_EXT_HE_MU_EDCA &&

			    elen >= (sizeof(*elems->mu_edca_param_set) + 1)) {

				elems->mu_edca_param_set = (void *)&pos[1];