{"id":6719,"date":"2026-09-04T18:49:14","date_gmt":"2026-09-04T10:49:14","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-68472"},"modified":"2026-09-04T18:49:14","modified_gmt":"2026-09-04T10:49:14","slug":"cve-2026-68472","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-68472","title":{"rendered":"CVE-2026-68472 [HIGH] &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: cfg80211: valid"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>wifi: cfg80211: validate EHT MLE before MLD ID read<\/p>\n<p>cfg80211_gen_new_ie() copies ML probe response elements from<br \/>\nthe parent frame when the parent EHT multi-link element has an<br \/>\nMLD ID matching the nontransmitted BSSID index.<\/p>\n<p>The code only checked that the extension element had more than<br \/>\none byte before calling ieee80211_mle_get_mld_id(). That helper<br \/>\nassumes a BASIC MLE with enough common info and documents that<br \/>\ncallers must first use ieee80211_mle_type_ok().<\/p>\n<p>Attack chain:<br \/>\nmalicious AP sends a short EHT MLE in an MBSSID beacon.<br \/>\ncfg80211_inform_bss_frame_data() stores the copied IE buffer.<br \/>\ncfg80211_parse_mbssid_data() builds the nontransmitted BSS IE.<br \/>\ncfg80211_gen_new_ie() sees the EHT MLE in the parent frame.<br \/>\nieee80211_mle_get_mld_id() then reads past the IE boundary.<\/p>\n<p>Validate the MLE type and size before reading the MLD ID. This<br \/>\nmatches the contract required by the MLE helper and rejects the<br \/>\nshort element before any internal MLE fields are accessed.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>wifi: cfg80211: validate EHT MLE before MLD ID read<\/p>\n<p>cfg80211_gen_new_ie() copies ML probe response elements from<br \/>\nthe parent frame <\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-6719","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/6719","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln"}],"about":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/types\/vuln"}],"wp:attachment":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6719"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6719"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6719"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}