{"id":28600,"date":"2026-09-25T04:31:27","date_gmt":"2026-09-24T20:31:27","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-93785"},"modified":"2026-09-25T04:31:27","modified_gmt":"2026-09-24T20:31:27","slug":"cve-2026-93785","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-93785","title":{"rendered":"CVE-2026-93785 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\ncifs: validate idmap"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>cifs: validate idmap key payload length<\/p>\n<p>The cifs.idmap key type stores its payload length in key-&gt;datalen, which<br \/>\nis limited to U16_MAX.  Accepting a larger key payload truncates the<br \/>\nrecorded length and can make later users interpret the payload using<br \/>\ninconsistent bounds.<\/p>\n<p>Reject oversized preparsed payloads before allocating or copying them.<br \/>\nThis keeps key-&gt;datalen consistent with the stored data for both inline<br \/>\nand separately allocated idmap payloads.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>cifs: validate idmap key payload length<\/p>\n<p>The cifs.idmap key type stores its payload length in key-&gt;datalen, which<br \/>\nis limited to U16<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-28600","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/28600","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=28600"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=28600"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=28600"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}