{"id":41229,"date":"2026-10-19T00:32:43","date_gmt":"2026-10-18T16:32:43","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-98757"},"modified":"2026-10-19T00:32:43","modified_gmt":"2026-10-18T16:32:43","slug":"cve-2026-98757","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-98757","title":{"rendered":"CVE-2026-98757 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nusb: cdns3: fix use-a"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>usb: cdns3: fix use-after-free in cdns3_gadget_exit()<\/p>\n<p>cdns3_gadget_start() arms two works on system_freezable_wq:<br \/>\npending_status_wq for the deferred ep0 status stage and aligned_buf_wq<br \/>\nfor realigned request buffers. Both handlers use the cdns3_device the<br \/>\nworks are embedded in, and cdns3_pending_setup_status_handler() also<br \/>\ncalls the ep0 request completion.<\/p>\n<p>cdns3_gadget_exit() does not wait for these works. It frees all<br \/>\nendpoints and aligned buffers and drops the last reference to the<br \/>\ngadget device, which frees priv_dev, so a work queued before the exit<br \/>\ncan run after the free.<\/p>\n<p>Fix this by waiting for both works after the gadget driver is unbound<br \/>\nand the IRQ is freed, when no new work can be queued, and before the<br \/>\nendpoints and buffers are released.<\/p>\n<p>This issue was found by an in-house static analysis tool.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>usb: cdns3: fix use-after-free in cdns3_gadget_exit()<\/p>\n<p>cdns3_gadget_start() arms two works on system_freezable_wq:<br \/>\npending_status_w<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-41229","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/41229","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=41229"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=41229"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=41229"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}