{"id":24697,"date":"2026-09-16T20:32:39","date_gmt":"2026-09-16T12:32:39","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-90009"},"modified":"2026-09-16T20:32:39","modified_gmt":"2026-09-16T12:32:39","slug":"cve-2026-90009","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-90009","title":{"rendered":"CVE-2026-90009 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: bsg: Fix TOCTOU"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>scsi: bsg: Fix TOCTOU in io_uring passthrough command setup<\/p>\n<p>scsi_bsg_uring_cmd() reads bsg_uring_cmd from the shared mmap&#8217;d SQE.<br \/>\nUserspace can change a field after we check it and before we use it.<br \/>\nrequest_len is the sharp case: it can grow past sizeof(scmd-&gt;cmnd) after<br \/>\nthe bound check and overflow scmd-&gt;cmnd in copy_from_user().<\/p>\n<p>READ_ONCE() the SQE fields we check or use into locals before use.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>scsi: bsg: Fix TOCTOU in io_uring passthrough command setup<\/p>\n<p>scsi_bsg_uring_cmd() reads bsg_uring_cmd from the shared mmap&#8217;d SQE.<br \/>\nU<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-24697","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/24697","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=24697"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=24697"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=24697"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}