{"id":39733,"date":"2026-10-16T04:33:41","date_gmt":"2026-10-15T20:33:41","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-101304"},"modified":"2026-10-16T04:33:41","modified_gmt":"2026-10-15T20:33:41","slug":"cve-2026-101304","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-101304","title":{"rendered":"CVE-2026-101304 &#8211; When fdescfs(4) was mounted in a jail with the &#8220;nodup&#8221; option, opening \/dev\/fd\/N returned"},"content":{"rendered":"<p>When fdescfs(4) was mounted in a jail with the &#8220;nodup&#8221; option, opening \/dev\/fd\/N returned a descriptor that did not inherit FD_RESOLVE_BENEATH or the Capsicum capability rights of descriptor N.<\/p>\n<p>A process in a jail that has received a directory file descriptor from another jail can use these techniques to escape the jail&#8217;s filesystem root restriction.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>When fdescfs(4) was mounted in a jail with the &#8220;nodup&#8221; option, opening \/dev\/fd\/N returned a descriptor that did not inherit FD_RESOLVE_BENEATH or the Capsicum capability rights of descriptor N.<\/p>\n<p>A pro<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-39733","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/39733","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=39733"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=39733"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=39733"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}