{"id":17330,"date":"2026-09-05T02:31:00","date_gmt":"2026-09-04T18:31:00","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-80826"},"modified":"2026-09-05T02:31:00","modified_gmt":"2026-09-04T18:31:00","slug":"cve-2026-80826","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-80826","title":{"rendered":"CVE-2026-80826 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nUSB: c67x00: fix use-"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>USB: c67x00: fix use-after-free in c67x00_add_iso_urb()<\/p>\n<p>When TD creation fails for the last packet of an isochronous URB,<br \/>\nc67x00_add_iso_urb() gives the URB back before updating the endpoint<br \/>\nscheduling state.<\/p>\n<p>c67x00_giveback_urb() frees the URB private data, and the completion<br \/>\ncallback may release the final URB reference. The following accesses to<br \/>\nurbp-&gt;ep_data, urb-&gt;interval, and urbp-&gt;cnt can therefore use freed<br \/>\nmemory.<\/p>\n<p>Update next_frame and cnt before giving back the failed final packet,<br \/>\nmaking the giveback the last operation that uses the URB and its private<br \/>\ndata.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>USB: c67x00: fix use-after-free in c67x00_add_iso_urb()<\/p>\n<p>When TD creation fails for the last packet of an isochronous URB,<br \/>\nc67x00_a<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-17330","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/17330","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=17330"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=17330"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=17330"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}