{"schema":"threatline.record/2","record":{"id":"CVE-2026-98367","aliases":[],"summary":"RDMA/siw: Clear association under lock if siw_qp_modify fails in siw_accept","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/siw: Clear association under lock if siw_qp_modify fails in siw_accept\n\nWe need to clear cep before release state_lock as siw_qp_llp_close and\nsiw_qp_modify->siw_qp_llp_close did.\n\nOtherwise if siw_qp_modify() fails in siw_accept(), the QP's state_lock\nis released before the error path cleanup. A concurrent ibv_modify_qp()\ntransitioning the QP to ERROR can race in this window:\n\n  siw_accept()                       ibv_modify_qp(ERROR)\n  ----------------------             ----------------------\n  siw_qp_modify() fails\n  up_write(&qp->state_lock)\n                                     down_write(&qp->state_lock)\n                                     nextstate_from_idle():\n\t\t\t\t     if (qp->cep)\n                                       siw_cep_put(qp->cep) <- frees cep\n                                       qp->cep = NULL\n  goto error\n    cep->qp = NULL                   <- UAF\n\nClear qp->cep and drop the association reference taken by siw_cep_get(),\nall under the write lock held from the initial down_write(&qp->state_lock).\nThread B therefore sees qp->cep == NULL, skips its own put, and cannot free\nthe cep before siw_accept() is done with it.","categories":["Operating systems"],"product":"Linux","vendor":"Linux","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98367","source_modified_at":"2026-10-19T09:18:19.262Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Linux","vendor":"Linux","versions":[{"version":"6c52fdc244b5ccc468006fd65a504d4ee33743c7","lessThan":"f11e09fe2fc3a11ccdf8f932b68181b0bb1d2078","status":"affected","versionType":"git"},{"version":"6c52fdc244b5ccc468006fd65a504d4ee33743c7","lessThan":"e3f039082856adab7e195dea1af45d93dd6a3f1c","status":"affected","versionType":"git"},{"version":"6c52fdc244b5ccc468006fd65a504d4ee33743c7","lessThan":"ad50d19f3d1ce052b3a146143581e930a1efb33e","status":"affected","versionType":"git"},{"version":"6c52fdc244b5ccc468006fd65a504d4ee33743c7","lessThan":"030306bbb9273af80f14d7af20129661964cd9a7","status":"affected","versionType":"git"},{"version":"6c52fdc244b5ccc468006fd65a504d4ee33743c7","lessThan":"df2584750314336edcbcc21fb388e04b260f35b7","status":"affected","versionType":"git"},{"version":"6c52fdc244b5ccc468006fd65a504d4ee33743c7","lessThan":"9dcc0f4e488b70cff81e0e5717a498c929cf5de3","status":"affected","versionType":"git"},{"version":"6c52fdc244b5ccc468006fd65a504d4ee33743c7","lessThan":"bfdc744bf20ae4c3ef2e470298de5237c5c9a13c","status":"affected","versionType":"git"},{"version":"6c52fdc244b5ccc468006fd65a504d4ee33743c7","lessThan":"32cd87f54dd1070020e664ccb0312a9f0fea79b4","status":"affected","versionType":"git"}],"defaultStatus":"unaffected"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98367","source_modified_at":"2026-10-19T09:18:19.262Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Linux","vendor":"Linux","versions":[{"version":"5.3","status":"affected"},{"version":"0","lessThan":"5.3","status":"unaffected","versionType":"semver"},{"version":"5.10.271","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.222","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.189","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.158","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.112","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.54","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.2.8","lessThanOrEqual":"7.2.*","status":"unaffected","versionType":"semver"},{"version":"7.3","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}],"defaultStatus":"affected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98367","source_modified_at":"2026-10-19T09:18:19.262Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"030306bbb9273af80f14d7af20129661964cd9a7","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98367","source_modified_at":"2026-10-19T09:18:19.262Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"9dcc0f4e488b70cff81e0e5717a498c929cf5de3","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98367","source_modified_at":"2026-10-19T09:18:19.262Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"32cd87f54dd1070020e664ccb0312a9f0fea79b4","basis":"first unaffected version stated in the CVE record"}],"cvss":7.8,"severity":"High","kev":{"listed":false},"epss":{"probability":0.00129,"percentile":0.02344,"score_date":"2026-10-23"},"published_at":"2026-10-06T08:46:52.452Z","modified_at":"2026-10-19T09:18:19.262Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-98367","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-19T09:18:19.262Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-98367","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://git.kernel.org/stable/c/f11e09fe2fc3a11ccdf8f932b68181b0bb1d2078"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/e3f039082856adab7e195dea1af45d93dd6a3f1c"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/ad50d19f3d1ce052b3a146143581e930a1efb33e"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/030306bbb9273af80f14d7af20129661964cd9a7"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/df2584750314336edcbcc21fb388e04b260f35b7"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/9dcc0f4e488b70cff81e0e5717a498c929cf5de3"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/bfdc744bf20ae4c3ef2e470298de5237c5c9a13c"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/32cd87f54dd1070020e664ccb0312a9f0fea79b4"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-19T09:18:19.262Z","content_hash":"694d8d288835664ccdd07246740007d9e074275cd664759e7474304b5e81ec92"}}