{"id":25764,"date":"2026-09-18T04:31:51","date_gmt":"2026-09-17T20:31:51","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-90355"},"modified":"2026-09-18T04:31:51","modified_gmt":"2026-09-17T20:31:51","slug":"cve-2026-90355","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-90355","title":{"rendered":"CVE-2026-90355 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7996: c"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>wifi: mt76: mt7996: clear stale link state on full reset<\/p>\n<p>After a full chip reset, mac80211 reconfig replays interface, link and<br \/>\nchannel context setup. mt7996_vif_link_add() short-circuits when the<br \/>\nlink_id is still marked in mvif-&gt;valid_links, a state introduced for<br \/>\npostponing link teardown to interface removal. The reset path frees the<br \/>\nlink structures without clearing those bits, so the replayed setup never<br \/>\nre-creates dev_info\/bss_info\/STA records in the restarted firmware and<br \/>\nnever re-registers the link wcid, leaving the device inoperative.<\/p>\n<p>The reset path also leaks every allocated MLD index: per-link indices<br \/>\nand the per-vif group\/remap indices are re-allocated from scratch during<br \/>\nreconfig, but the old bits stay set in the masks, so repeated full<br \/>\nresets exhaust the index space.<\/p>\n<p>Clear valid_links in the reset vif iterator and reset the MLD index<br \/>\nmasks alongside the existing omac_mask clearing.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>wifi: mt76: mt7996: clear stale link state on full reset<\/p>\n<p>After a full chip reset, mac80211 reconfig replays interface, link and<br \/>\nch<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-25764","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/25764","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=25764"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=25764"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=25764"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}