{"id":17294,"date":"2026-09-05T02:30:57","date_gmt":"2026-09-04T18:30:57","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-80790"},"modified":"2026-09-05T02:30:57","modified_gmt":"2026-09-04T18:30:57","slug":"cve-2026-80790","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-80790","title":{"rendered":"CVE-2026-80790 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nnvmet-fc: fix invalid"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>nvmet-fc: fix invalid free in LS IOD error path<\/p>\n<p>nvmet_fc_alloc_ls_iodlist() advances iod while initializing the LS IOD<br \/>\narray. If an rqstbuf allocation or response buffer DMA mapping fails,<br \/>\nthe unwind loop decrements iod past the start of the array. The final<br \/>\nkfree(iod) therefore frees an address before the allocated object.<\/p>\n<p>This can be reproduced with nvme-fcloop and failslab by setting<br \/>\nfail-nth to 6 before creating a target port. KASAN reports:<\/p>\n<p>  BUG: KASAN: invalid-free in nvmet_fc_register_targetport<br \/>\n  Free of addr ffff88816cf8ff48 by task nvmet_fail_nth\/9552<\/p>\n<p>Free the original allocation base stored in tgtport-&gt;iod instead. With<br \/>\nthis fix applied, the same sysfs write with fail-nth=6 returns -ENOMEM<br \/>\nwithout any KASAN report.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>nvmet-fc: fix invalid free in LS IOD error path<\/p>\n<p>nvmet_fc_alloc_ls_iodlist() advances iod while initializing the LS IOD<br \/>\narray. If a<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-17294","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/17294","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=17294"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=17294"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=17294"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}