{"id":21615,"date":"2026-09-12T04:31:25","date_gmt":"2026-09-11T20:31:25","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-89693"},"modified":"2026-09-12T04:31:25","modified_gmt":"2026-09-11T20:31:25","slug":"cve-2026-89693","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-89693","title":{"rendered":"CVE-2026-89693 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nnfsd: check nfsd4_acl"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>nfsd: check nfsd4_acl_to_attr() return value in nfsd4_create()<\/p>\n<p>nfsd4_create() stores the return value of nfsd4_acl_to_attr() in<br \/>\nstatus, but the switch(create-&gt;cr_type) block unconditionally<br \/>\noverwrites it in every branch. ACL translation errors are silently<br \/>\ndiscarded, and the CREATE proceeds without the requested ACL.<\/p>\n<p>Add an early exit check after nfsd4_acl_to_attr(), matching the<br \/>\npattern already used in nfsd4_setattr().<\/p>\n<p>[ cel: prefer NFS4ERR_BADTYPE over NFS4ERR_ATTRNOTSUPP ]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>nfsd: check nfsd4_acl_to_attr() return value in nfsd4_create()<\/p>\n<p>nfsd4_create() stores the return value of nfsd4_acl_to_attr() in<br \/>\nst<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-21615","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/21615","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=21615"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=21615"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=21615"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}