{"id":17317,"date":"2026-09-05T02:30:59","date_gmt":"2026-09-04T18:30:59","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-80813"},"modified":"2026-09-05T02:30:59","modified_gmt":"2026-09-04T18:30:59","slug":"cve-2026-80813","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-80813","title":{"rendered":"CVE-2026-80813 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nnvmet: fix NULL point"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>nvmet: fix NULL pointer dereference in nvmet_execute_identify_nslist()<\/p>\n<p>When a host issues an Identify command with CNS 07h (Active Namespace ID<br \/>\nList for a specific I\/O Command Set), nvmet_execute_identify_nslist() is<br \/>\ncalled with match_css set. The command-set filter dereferences req-&gt;ns,<br \/>\nbut this handler never calls nvmet_req_find_ns(), so req-&gt;ns is always<br \/>\nNULL (nvmet_req_init() resets it to NULL). As soon as an enabled<br \/>\nnamespace with an NSID greater than the requested value exists,<br \/>\nreq-&gt;ns-&gt;csi dereferences a NULL pointer and oopses.<\/p>\n<p>Besides the crash, the comparison is logically wrong: to filter the list<br \/>\nby command set it must test the command set of the namespace being<br \/>\niterated, not a single fixed value. Use the loop variable ns-&gt;csi.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>nvmet: fix NULL pointer dereference in nvmet_execute_identify_nslist()<\/p>\n<p>When a host issues an Identify command with CNS 07h (Active<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-17317","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/17317","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=17317"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=17317"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=17317"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}