{"id":24676,"date":"2026-09-16T20:32:38","date_gmt":"2026-09-16T12:32:38","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-89989"},"modified":"2026-09-16T20:32:38","modified_gmt":"2026-09-16T12:32:38","slug":"cve-2026-89989","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-89989","title":{"rendered":"CVE-2026-89989 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nima: Check for ERR_PT"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>ima: Check for ERR_PTR from dentry_path() in validate_hash_algo()<\/p>\n<p>dentry_path() returns ERR_PTR(-ENAMETOOLONG) when the path exceeds the<br \/>\nbuffer. validate_hash_algo() passes the result straight to<br \/>\nintegrity_audit_msg() without checking. ERR_PTR is not NULL, so<br \/>\nintegrity_audit_message() sees a valid pointer and calls strlen() on<br \/>\nit, which faults:<\/p>\n<p>    BUG: unable to handle page fault for address: ffffffffffffffdc<br \/>\n    RIP: 0010:strlen+0x30\/0xa0<br \/>\n    Call Trace:<br \/>\n     audit_log_untrustedstring+0x19\/0x30<br \/>\n     integrity_audit_message+0x366\/0x4f0<br \/>\n     ima_inode_setxattr+0x512\/0x5f0<\/p>\n<p>Check for IS_ERR() and use NULL instead, which makes the audit message<br \/>\nskip the name= field instead of crashing.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>ima: Check for ERR_PTR from dentry_path() in validate_hash_algo()<\/p>\n<p>dentry_path() returns ERR_PTR(-ENAMETOOLONG) when the path excee<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-24676","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/24676","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=24676"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=24676"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=24676"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}