{"id":25954,"date":"2026-09-18T04:32:08","date_gmt":"2026-09-17T20:32:08","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-93097"},"modified":"2026-09-18T04:32:08","modified_gmt":"2026-09-17T20:32:08","slug":"cve-2026-93097","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-93097","title":{"rendered":"CVE-2026-93097 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\ncxl\/mbox: Break poiso"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>cxl\/mbox: Break poison list loop on an empty payload<\/p>\n<p>A device that returns count == 0 with CXL_POISON_FLAG_MORE set on every<br \/>\niteration never advances nr_records, so the max_errors guard never<br \/>\ntrips and the do\/while loops forever while holding poison.mutex. That<br \/>\nhangs the sysfs-triggered scan thread and blocks all subsequent poison<br \/>\noperations on the device. The existing &#8220;Protect against an uncleared<br \/>\n_FLAG_MORE&#8221; guard was intended to bound a misbehaving device but does<br \/>\nnot cover the count == 0 case.<\/p>\n<p>Stop the loop on an empty payload so a malfunctioning or malicious<br \/>\ndevice cannot wedge the poison scan.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>cxl\/mbox: Break poison list loop on an empty payload<\/p>\n<p>A device that returns count == 0 with CXL_POISON_FLAG_MORE set on every<br \/>\nitera<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-25954","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/25954","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=25954"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=25954"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=25954"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}