{"id":25717,"date":"2026-09-18T04:31:47","date_gmt":"2026-09-17T20:31:47","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-90308"},"modified":"2026-09-18T04:31:47","modified_gmt":"2026-09-17T20:31:47","slug":"cve-2026-90308","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-90308","title":{"rendered":"CVE-2026-90308 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA\/erdma: Hold QP r"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>RDMA\/erdma: Hold QP references for AE and CM processing<\/p>\n<p>AE QP fatal events and iWARP CM paths load QPs from dev-&gt;qp_xa<br \/>\nand then use or reference them outside the xarray lock.<br \/>\nerdma_destroy_qp() can drop the destroy-path reference and free QP<br \/>\nresources while such a lookup is in flight.<\/p>\n<p>Add erdma_qp_get_by_qpn() to acquire a kref under the xarray<br \/>\nlock with kref_get_unless_zero(). Remove the QP from the xarray<br \/>\nbefore dropping the destroy-path reference so no new lookup can acquire<br \/>\nit while destruction waits for existing users.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>RDMA\/erdma: Hold QP references for AE and CM processing<\/p>\n<p>AE QP fatal events and iWARP CM paths load QPs from dev-&gt;qp_xa<br \/>\nand then us<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-25717","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/25717","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=25717"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=25717"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=25717"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}