{"id":6717,"date":"2026-09-04T18:49:14","date_gmt":"2026-09-04T10:49:14","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-68470"},"modified":"2026-09-04T18:49:14","modified_gmt":"2026-09-04T10:49:14","slug":"cve-2026-68470","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-68470","title":{"rendered":"CVE-2026-68470 [HIGH] &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mac80211: valid"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>wifi: mac80211: validate extension-frame layout before RX<\/p>\n<p>Extension frames only have the extension header at the regular 802.11<br \/>\nheader offset. The generic RX path can still reach helpers and interface<br \/>\ndispatch code that read regular header address fields before unsupported<br \/>\nextension subtypes are dropped.<\/p>\n<p>mac80211 currently only handles S1G beacon extension frames. Drop other<br \/>\nextension subtypes before they can reach regular-header RX processing.<br \/>\nFor S1G beacons, linearize the SKB with the management-frame path and<br \/>\nrequire the fixed S1G beacon header, including optional fixed fields<br \/>\nindicated by frame control, before generic RX dispatch.<\/p>\n<p>Route S1G beacons through the station\/default-link RX path without<br \/>\nregular-header station lookup. Avoid regular-header address reads in the<br \/>\nmac80211 RX paths that process S1G extension beacons, including<br \/>\naccept-frame, duplicate-detection, address-copy, and MLO<br \/>\naddress-translation paths.<\/p>\n<p>Also make ieee80211_get_bssid() length-safe before returning the S1G<br \/>\nsource-address pointer.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>wifi: mac80211: validate extension-frame layout before RX<\/p>\n<p>Extension frames only have the extension header at the regular 802.11<br \/>\nhe<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-6717","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/6717","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=6717"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6717"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6717"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}