{"id":21625,"date":"2026-09-12T04:31:26","date_gmt":"2026-09-11T20:31:26","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-89703"},"modified":"2026-09-12T04:31:26","modified_gmt":"2026-09-11T20:31:26","slug":"cve-2026-89703","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-89703","title":{"rendered":"CVE-2026-89703 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nnfsd: set SC_STATUS_F"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>nfsd: set SC_STATUS_FREED in nfsd4_drop_revoked_stid for delegations<\/p>\n<p>nfsd4_drop_revoked_stid() handles FREE_STATEID for admin-revoked<br \/>\ndelegations but does not set SC_STATUS_FREED before releasing cl_lock.<br \/>\nrevoke_delegation() uses this flag to detect whether FREE_STATEID has<br \/>\nalready processed the delegation &#8212; without it, the freed delegation is<br \/>\nadded to cl_revoked via list_add(), producing a use-after-free when<br \/>\ncl_revoked is later traversed in __destroy_client().<\/p>\n<p>The SC_STATUS_REVOKED path in nfsd4_free_stateid() (line 7983) already<br \/>\nsets SC_STATUS_FREED correctly. Apply the same pattern to the<br \/>\nSC_STATUS_ADMIN_REVOKED path in nfsd4_drop_revoked_stid().<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>nfsd: set SC_STATUS_FREED in nfsd4_drop_revoked_stid for delegations<\/p>\n<p>nfsd4_drop_revoked_stid() handles FREE_STATEID for admin-revo<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-21625","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/21625","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=21625"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=21625"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=21625"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}