{"api_version":"1","generated_at":"2026-09-21T14:28:10+00:00","cve":"CVE-2026-92513","urls":{"html":"https://cve.report/CVE-2026-92513","api":"https://cve.report/api/cve/CVE-2026-92513.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-92513","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-92513"},"summary":{"title":"RDMA/mana_ib: drain QP references after partial table insertion","description":"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->free, releasing the QP only after every concurrent lookup\nreturns its reference.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-17 17:17:54","updated_at":"2026-09-17 17:17:54"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/4aaa2ab816c710be7385b31d08373edcdcd71656","name":"https://git.kernel.org/stable/c/4aaa2ab816c710be7385b31d08373edcdcd71656","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/638b9a5364c1482e5d104823c1a3884b3d249484","name":"https://git.kernel.org/stable/c/638b9a5364c1482e5d104823c1a3884b3d249484","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/97f7c2262c28ebcae64fc957ee978646684a5ed9","name":"https://git.kernel.org/stable/c/97f7c2262c28ebcae64fc957ee978646684a5ed9","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-92513","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-92513","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 8001e9257eca23264550ff9e34598ee43a80f0f9 4aaa2ab816c710be7385b31d08373edcdcd71656 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 8001e9257eca23264550ff9e34598ee43a80f0f9 638b9a5364c1482e5d104823c1a3884b3d249484 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 8001e9257eca23264550ff9e34598ee43a80f0f9 97f7c2262c28ebcae64fc957ee978646684a5ed9 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.15","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.15 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.52 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.6 7.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.3-rc1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"92513","cve":"CVE-2026-92513","epss":"0.001980000","percentile":"0.098680000","score_date":"2026-09-18","updated_at":"2026-09-19 00:06:17"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/infiniband/hw/mana/qp.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"4aaa2ab816c710be7385b31d08373edcdcd71656","status":"affected","version":"8001e9257eca23264550ff9e34598ee43a80f0f9","versionType":"git"},{"lessThan":"638b9a5364c1482e5d104823c1a3884b3d249484","status":"affected","version":"8001e9257eca23264550ff9e34598ee43a80f0f9","versionType":"git"},{"lessThan":"97f7c2262c28ebcae64fc957ee978646684a5ed9","status":"affected","version":"8001e9257eca23264550ff9e34598ee43a80f0f9","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/infiniband/hw/mana/qp.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.15"},{"lessThan":"6.15","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.52","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.6","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3-rc1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.52","versionStartIncluding":"6.15","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.6","versionStartIncluding":"6.15","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3-rc1","versionStartIncluding":"6.15","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"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->free, releasing the QP only after every concurrent lookup\nreturns its reference."}],"providerMetadata":{"dateUpdated":"2026-09-17T16:10:22.793Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/4aaa2ab816c710be7385b31d08373edcdcd71656"},{"url":"https://git.kernel.org/stable/c/638b9a5364c1482e5d104823c1a3884b3d249484"},{"url":"https://git.kernel.org/stable/c/97f7c2262c28ebcae64fc957ee978646684a5ed9"}],"title":"RDMA/mana_ib: drain QP references after partial table insertion","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-92513","datePublished":"2026-09-17T16:10:22.793Z","dateReserved":"2026-09-16T12:21:13.873Z","dateUpdated":"2026-09-17T16:10:22.793Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-17 17:17:54","lastModifiedDate":"2026-09-17 17:17:54","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"92513","Ordinal":"1","Title":"RDMA/mana_ib: drain QP references after partial table insertion","CVE":"CVE-2026-92513","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"92513","Ordinal":"1","NoteData":"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->free, releasing the QP only after every concurrent lookup\nreturns its reference.","Type":"Description","Title":"RDMA/mana_ib: drain QP references after partial table insertion"}]}}}