{"id":3817,"date":"2026-09-04T18:42:47","date_gmt":"2026-09-04T10:42:47","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-46243"},"modified":"2026-09-04T18:42:47","modified_gmt":"2026-09-04T10:42:47","slug":"cve-2026-46243","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-46243","title":{"rendered":"CVE-2026-46243 [HIGH] &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nsmb: client: reject u"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>smb: client: reject userspace cifs.spnego descriptions<\/p>\n<p>cifs.spnego key descriptions contain authority-bearing fields such as<br \/>\npid, uid, creduid, and upcall_target that cifs.upcall treats as<br \/>\nkernel-originating inputs. However, userspace can also create keys of<br \/>\nthis type through request_key(2) or add_key(2), allowing those fields to<br \/>\nbe supplied without CIFS origin.<\/p>\n<p>Only accept cifs.spnego descriptions while CIFS is using its private<br \/>\nspnego_cred to request the key.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>smb: client: reject userspace cifs.spnego descriptions<\/p>\n<p>cifs.spnego key descriptions contain authority-bearing fields such as<br \/>\npid, <\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-3817","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/3817","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=3817"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3817"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3817"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}