{"id":11276,"date":"2026-09-04T18:53:08","date_gmt":"2026-09-04T10:53:08","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-74707"},"modified":"2026-09-04T18:53:08","modified_gmt":"2026-09-04T10:53:08","slug":"cve-2026-74707","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-74707","title":{"rendered":"CVE-2026-74707 [HIGH] &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nxsk: validate metadat"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>xsk: validate metadata when processing requests<\/p>\n<p>The zero-copy path validates TX metadata while obtaining the descriptor<br \/>\ncontext, then reads it again later when preparing the hardware request.<br \/>\nUser space can change the metadata between those operations and bypass the<br \/>\noriginal validation.<\/p>\n<p>Validate the metadata in xsk_tx_metadata_request() and use the resulting<br \/>\nflags snapshot for every feature check. Read request fields once so all<br \/>\nzero-copy drivers process only values observed after successful<br \/>\nvalidation.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>xsk: validate metadata when processing requests<\/p>\n<p>The zero-copy path validates TX metadata while obtaining the descriptor<br \/>\ncontext, t<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-11276","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/11276","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=11276"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=11276"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=11276"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}