{"id":39766,"date":"2026-10-16T04:33:46","date_gmt":"2026-10-15T20:33:46","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-101309"},"modified":"2026-10-16T04:33:46","modified_gmt":"2026-10-15T20:33:46","slug":"cve-2026-101309","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-101309","title":{"rendered":"CVE-2026-101309 [HIGH] &#8211; The xHCI (USB 3) device model did not validate or save the event ring size provided by the"},"content":{"rendered":"<p>The xHCI (USB 3) device model did not validate or save the event ring size provided by the guest.  The size was re-read from guest memory on each use, and Transfer Request Block (TRB) fields were loaded without protection against concurrent modification by the guest.  This race condition could be triggered by a guest running malicious, privileged code.<\/p>\n<p>A malicious guest can crash the bhyve process or potentially execute arbitrary code in the host userspace context running the virtual machine, subject to bhyve&#8217;s Capsicum sandbox.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The xHCI (USB 3) device model did not validate or save the event ring size provided by the guest.  The size was re-read from guest memory on each use, and Transfer Request Block (TRB) fields were load<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-39766","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/39766","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=39766"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=39766"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=39766"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}