{"id":25878,"date":"2026-09-18T04:32:01","date_gmt":"2026-09-17T20:32:01","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-92509"},"modified":"2026-09-18T04:32:01","modified_gmt":"2026-09-17T20:32:01","slug":"cve-2026-92509","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-92509","title":{"rendered":"CVE-2026-92509 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA\/core: Fix potent"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>RDMA\/core: Fix potential use after free in counter_release()<\/p>\n<p>When accessing a counter via the netlink path the only synchronization<br \/>\nmechanism for the said counter is rdma_restrack_get().<br \/>\nCurrently, rdma_restrack_del() is invoked at the end of<br \/>\ncounter_release(), which is too late, since by that point<br \/>\nvendor-specific resources associated with the counter might already be<br \/>\nfreed. This can leave a short window where the counter remains<br \/>\naccessible through restrack, leading to a potential use-after-free.<\/p>\n<p>Fix this by moving the rdma_restrack_del() call to be before the<br \/>\nfreeing of the vendor-specific resources, ensuring that the counter is<br \/>\nremoved from restrack before its internal resources are released.<br \/>\nThis guarantees that no new users hold references to a counter that is<br \/>\nin the process of destruction.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>RDMA\/core: Fix potential use after free in counter_release()<\/p>\n<p>When accessing a counter via the netlink path the only synchronizatio<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-25878","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/25878","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=25878"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=25878"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=25878"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}