{"id":5359,"date":"2026-09-04T18:47:46","date_gmt":"2026-09-04T10:47:46","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-68155"},"modified":"2026-09-04T18:47:46","modified_gmt":"2026-09-04T10:47:46","slug":"cve-2026-68155","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-68155","title":{"rendered":"CVE-2026-68155 [HIGH] &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nlibceph: Reject monma"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>libceph: Reject monmaps advertising zero monitors<\/p>\n<p>A message of type CEPH_MSG_MON_MAP contains a monmap that is sent from a<br \/>\nmonitor to the client. This monmap contains information about the<br \/>\nexisting monitors in the cluster. Currently, a monmap indicating that<br \/>\nthere are zero monitors in the cluster is treated as valid. However, it<br \/>\nis impossible to have zero monitors in the cluster and still receive a<br \/>\nvalid monmap from a monitor. Therefore, such a monmap must be corrupted<br \/>\nand should be treated as invalid. Furthermore, a monmap with a monitor<br \/>\ncount of zero can subsequently crash the client when attempting to open<br \/>\na session with a monitor in __open_session(). This happens because the<br \/>\n&#8220;BUG_ON(monc-&gt;monmap-&gt;num_mon  CEPH_MAX_MON.<\/p>\n<p>[ idryomov: drop &#8220;log output for unusual values of num_mon&#8221; part ]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>libceph: Reject monmaps advertising zero monitors<\/p>\n<p>A message of type CEPH_MSG_MON_MAP contains a monmap that is sent from a<br \/>\nmonitor<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-5359","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/5359","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=5359"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5359"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5359"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}