{"id":41225,"date":"2026-10-19T00:32:42","date_gmt":"2026-10-18T16:32:42","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-98753"},"modified":"2026-10-19T00:32:42","modified_gmt":"2026-10-18T16:32:42","slug":"cve-2026-98753","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-98753","title":{"rendered":"CVE-2026-98753 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\ntty: tty_port: restor"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>tty: tty_port: restore TTY_IO_ERROR on activation failure<\/p>\n<p>Make sure to restore the TTY_IO_ERROR flag if activation fails to<br \/>\nprevent I\/O attempts on a port that is gone or powered down.<\/p>\n<p>This specifically avoids issues like kernel panic due to unclocked<br \/>\naccesses or NULL-pointer dereferences when accessing powered down or<br \/>\nderegistered ports when a TTY ioctl races with hangup and open.<\/p>\n<p>Note that the flag is set again in tty_port_close() but not restoring it<br \/>\non activation failure leaves a window where drivers fail to handle the<br \/>\nioctl-hangup race.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>tty: tty_port: restore TTY_IO_ERROR on activation failure<\/p>\n<p>Make sure to restore the TTY_IO_ERROR flag if activation fails to<br \/>\npreven<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-41225","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/41225","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=41225"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=41225"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=41225"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}