{"id":25874,"date":"2026-09-18T04:32:00","date_gmt":"2026-09-17T20:32:00","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-92505"},"modified":"2026-09-18T04:32:00","modified_gmt":"2026-09-17T20:32:00","slug":"cve-2026-92505","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-92505","title":{"rendered":"CVE-2026-92505 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\niommu\/amd: Fix undefi"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>iommu\/amd: Fix undefined behavior in devid_write debugfs function<\/p>\n<p>When for_each_pci_segment() loop completes without finding a matching<br \/>\nsegment, the pci_seg pointer is not NULL but points to an invalid memory<br \/>\nlocation (the list head). Accessing pci_seg-&gt;id after the loop causes<br \/>\nundefined behavior.<\/p>\n<p>Fix this by handling the successful case inside the loop and returning<br \/>\n-EINVAL after the loop if no matching segment is found.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>iommu\/amd: Fix undefined behavior in devid_write debugfs function<\/p>\n<p>When for_each_pci_segment() loop completes without finding a mat<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-25874","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/25874","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=25874"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=25874"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=25874"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}