{"id":24531,"date":"2026-09-16T20:32:26","date_gmt":"2026-09-16T12:32:26","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-89844"},"modified":"2026-09-16T20:32:26","modified_gmt":"2026-09-16T12:32:26","slug":"cve-2026-89844","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-89844","title":{"rendered":"CVE-2026-89844 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: qla2xxx: Hold v"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>scsi: qla2xxx: Hold vport_slock for host map update in report ID acquisition<\/p>\n<p>qla24xx_report_id_acquisition() format-1 handling drops vport_slock after<br \/>\ntaking the vport reference and then calls qla_update_host_map() without<br \/>\nthe lock. That reaches qla_update_vp_map(), which mutates the ha-&gt;host_map<br \/>\nbtree via btree_insert32()\/btree_update32()\/btree_remove32() and is<br \/>\ndocumented to require vport_slock to be held by the caller. Running it<br \/>\nunlocked can race concurrent host_map updates and corrupt the btree.<\/p>\n<p>The format-2 path in the same function already wraps its host_map update<br \/>\n(SET_AL_PA) in vport_slock; the format-1 path is the lone outlier.<\/p>\n<p>Hold vport_slock across the format-1 qla_update_host_map() call to honor<br \/>\nthe documented locking contract. The vref_count taken in the loop keeps<br \/>\nthe vport valid, so this only adds the missing host_map serialization.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>scsi: qla2xxx: Hold vport_slock for host map update in report ID acquisition<\/p>\n<p>qla24xx_report_id_acquisition() format-1 handling dro<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-24531","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/24531","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=24531"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=24531"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=24531"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}