{"id":28621,"date":"2026-09-25T04:31:29","date_gmt":"2026-09-24T20:31:29","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-93806"},"modified":"2026-09-25T04:31:29","modified_gmt":"2026-09-24T20:31:29","slug":"cve-2026-93806","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-93806","title":{"rendered":"CVE-2026-93806 &#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 assoc response length before status and IE access<\/p>\n<p>cfg80211_rx_assoc_resp() initialises the status and response-IE fields<br \/>\nof cfg80211_connect_resp_params from the management frame before<br \/>\nproving that the frame is long enough for those offsets. S1G and<br \/>\nregular association responses also have different IE offsets, but the<br \/>\nS1G path only patched resp_ie after the unsafe initialiser had already<br \/>\nrun.<\/p>\n<p>Defer resp_ie, resp_ie_len, and status to after the link-iteration<br \/>\nloop. Use a bool to remember whether the frame is S1G, then validate<br \/>\nthe appropriate minimum length and set all three fields in a single<br \/>\nif\/else block. Funnel short-frame and SME-reject cleanup through a<br \/>\nshared free_bss label for the abandon paths.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>wifi: cfg80211: validate assoc response length before status and IE access<\/p>\n<p>cfg80211_rx_assoc_resp() initialises the status and res<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-28621","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/28621","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=28621"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=28621"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=28621"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}