{"id":7368,"date":"2026-09-04T18:49:31","date_gmt":"2026-09-04T10:49:31","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-74409"},"modified":"2026-09-04T18:49:31","modified_gmt":"2026-09-04T10:49:31","slug":"cve-2026-74409","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-74409","title":{"rendered":"CVE-2026-74409 [HIGH] &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: rtw89: add boun"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>wifi: rtw89: add bounds check on firmware mac_id in link lookup<\/p>\n<p>The mac_id field in RX descriptors is 8 bits wide (0-255), but<br \/>\nassoc_link_on_macid[] has only RTW89_MAX_MAC_ID_NUM (128) entries.<br \/>\nWhile the driver currently assigns mac_id values below 128, the<br \/>\ndescriptor value comes from firmware and is not validated before use<br \/>\nas an array index. Add a defensive bounds check in<br \/>\nrtw89_assoc_link_rcu_dereference() to guard against out-of-range<br \/>\nfirmware values.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>wifi: rtw89: add bounds check on firmware mac_id in link lookup<\/p>\n<p>The mac_id field in RX descriptors is 8 bits wide (0-255), but<br \/>\nass<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-7368","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/7368","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=7368"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7368"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7368"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}