{"id":8584,"date":"2026-09-04T18:50:00","date_gmt":"2026-09-04T10:50:00","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-74355-2"},"modified":"2026-09-04T18:50:00","modified_gmt":"2026-09-04T10:50:00","slug":"cve-2026-74355-2","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-74355-2","title":{"rendered":"CVE-2026-74355 [HIGH] &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\niommu\/vt-d: Fix RB-tr"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>iommu\/vt-d: Fix RB-tree corruption in probe error path<\/p>\n<p>The info-&gt;node RB-tree member is zero-initialized via kzalloc. If<br \/>\na device does not support ATS, the device_rbtree_insert() call is<br \/>\nskipped. If a subsequent probe step fails, the error path jumps to<br \/>\ndevice_rbtree_remove(), which misinterprets the zeroed node as<br \/>\na tree root and corrupts the device RB-tree.<\/p>\n<p>Fix this by explicitly initializing the RB-node as empty using<br \/>\nRB_CLEAR_NODE() during initialization and guarding the removal with<br \/>\nRB_EMPTY_NODE().<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>iommu\/vt-d: Fix RB-tree corruption in probe error path<\/p>\n<p>The info-&gt;node RB-tree member is zero-initialized via kzalloc. If<br \/>\na device <\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-8584","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/8584","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=8584"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=8584"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=8584"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}