{"id":5361,"date":"2026-09-04T18:47:46","date_gmt":"2026-09-04T10:47:46","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-68157"},"modified":"2026-09-04T18:47:46","modified_gmt":"2026-09-04T10:47:46","slug":"cve-2026-68157","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-68157","title":{"rendered":"CVE-2026-68157 [HIGH] &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nlibceph: guard missin"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>libceph: guard missing CRUSH type name lookup<\/p>\n<p>Localized read selection can walk a parent bucket whose name exists in<br \/>\nthe CRUSH map while its type has no matching entry in type_names.<br \/>\nget_immediate_parent() then dereferences a NULL type_cn and passes an<br \/>\ninvalid pointer into strcmp(), causing a null-ptr-deref.<\/p>\n<p>Skip such malformed parent buckets unless both the bucket name and type<br \/>\nname metadata are present. This keeps malformed hierarchy data from<br \/>\ncrashing locality lookup and safely falls back to &#8220;not local&#8221;.<\/p>\n<p>[ idryomov: add WARN_ON_ONCE ]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>libceph: guard missing CRUSH type name lookup<\/p>\n<p>Localized read selection can walk a parent bucket whose name exists in<br \/>\nthe CRUSH map<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-5361","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/5361","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=5361"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5361"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5361"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}