{"id":"CVE-2026-92513","summary":"RDMA/mana_ib: drain QP references after partial table insertion","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/mana_ib: drain QP references after partial table insertion\n\nmana_table_store_ud_qp() publishes a QP at its send-queue id before\ninserting the receive-queue id, dropping the XArray lock between the two\nxa_insert_irq() calls. A concurrent completion handler can look up the QP\nand take a transient reference. When the second insertion fails, the\nrollback erased only the send-queue entry and returned, leaving both the\ninitial table reference and the transient reference outstanding while RDMA\ncore frees the QP, causing a use-after-free.\n\nDrain the reference as normal destruction does: drop the initial reference\nand wait for qp-\u003efree, releasing the QP only after every concurrent lookup\nreturns its reference.","modified":"2026-09-19T03:47:30.939097444Z","published":"2026-09-17T16:10:22.793Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/92xxx/CVE-2026-92513.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/4aaa2ab816c710be7385b31d08373edcdcd71656"},{"type":"WEB","url":"https://git.kernel.org/stable/c/638b9a5364c1482e5d104823c1a3884b3d249484"},{"type":"WEB","url":"https://git.kernel.org/stable/c/97f7c2262c28ebcae64fc957ee978646684a5ed9"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/92xxx/CVE-2026-92513.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-92513"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"8001e9257eca23264550ff9e34598ee43a80f0f9"},{"fixed":"4aaa2ab816c710be7385b31d08373edcdcd71656"},{"fixed":"638b9a5364c1482e5d104823c1a3884b3d249484"},{"fixed":"97f7c2262c28ebcae64fc957ee978646684a5ed9"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-92513.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.15.0"},{"fixed":"6.18.52"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.2.6"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-92513.json"}}],"schema_version":"1.9.0"}