{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-98367", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-25T10:25:14.344Z", "datePublished": "2026-10-06T08:46:52.452Z", "dateUpdated": "2026-10-06T08:46:52.452Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-06T08:46:52.452Z"}, "descriptions": [{"lang": "en", "value": "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."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/infiniband/sw/siw/siw_cm.c"], "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"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/infiniband/sw/siw/siw_cm.c"], "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-rc4", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3", "versionEndExcluding": "5.10.271"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3", "versionEndExcluding": "5.15.222"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3", "versionEndExcluding": "6.1.189"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3", "versionEndExcluding": "6.6.158"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3", "versionEndExcluding": "6.12.112"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3", "versionEndExcluding": "6.18.54"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3", "versionEndExcluding": "7.2.8"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3", "versionEndExcluding": "7.3-rc4"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/f11e09fe2fc3a11ccdf8f932b68181b0bb1d2078"}, {"url": "https://git.kernel.org/stable/c/e3f039082856adab7e195dea1af45d93dd6a3f1c"}, {"url": "https://git.kernel.org/stable/c/ad50d19f3d1ce052b3a146143581e930a1efb33e"}, {"url": "https://git.kernel.org/stable/c/030306bbb9273af80f14d7af20129661964cd9a7"}, {"url": "https://git.kernel.org/stable/c/df2584750314336edcbcc21fb388e04b260f35b7"}, {"url": "https://git.kernel.org/stable/c/9dcc0f4e488b70cff81e0e5717a498c929cf5de3"}, {"url": "https://git.kernel.org/stable/c/bfdc744bf20ae4c3ef2e470298de5237c5c9a13c"}, {"url": "https://git.kernel.org/stable/c/32cd87f54dd1070020e664ccb0312a9f0fea79b4"}], "title": "RDMA/siw: Clear association under lock if siw_qp_modify fails in siw_accept", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/infiniband/sw/siw/siw_cm.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "f11e09fe2fc3a11ccdf8f932b68181b0bb1d2078", "status": "affected", "version": "6c52fdc244b5ccc468006fd65a504d4ee33743c7", "versionType": "git"}, {"lessThan": "e3f039082856adab7e195dea1af45d93dd6a3f1c", "status": "affected", "version": "6c52fdc244b5ccc468006fd65a504d4ee33743c7", "versionType": "git"}, {"lessThan": "ad50d19f3d1ce052b3a146143581e930a1efb33e", "status": "affected", "version": "6c52fdc244b5ccc468006fd65a504d4ee33743c7", "versionType": "git"}, {"lessThan": "030306bbb9273af80f14d7af20129661964cd9a7", "status": "affected", "version": "6c52fdc244b5ccc468006fd65a504d4ee33743c7", "versionType": "git"}, {"lessThan": "df2584750314336edcbcc21fb388e04b260f35b7", "status": "affected", "version": "6c52fdc244b5ccc468006fd65a504d4ee33743c7", "versionType": "git"}, {"lessThan": "9dcc0f4e488b70cff81e0e5717a498c929cf5de3", "status": "affected", "version": "6c52fdc244b5ccc468006fd65a504d4ee33743c7", "versionType": "git"}, {"lessThan": "bfdc744bf20ae4c3ef2e470298de5237c5c9a13c", "status": "affected", "version": "6c52fdc244b5ccc468006fd65a504d4ee33743c7", "versionType": "git"}, {"lessThan": "32cd87f54dd1070020e664ccb0312a9f0fea79b4", "status": "affected", "version": "6c52fdc244b5ccc468006fd65a504d4ee33743c7", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/infiniband/sw/siw/siw_cm.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.3"}, {"lessThan": "5.3", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.271", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.222", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.189", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.158", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.112", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.54", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.8", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3-rc4", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}], "id": "CVE-2026-98367", "lastModified": "2026-10-06T09:18:30.970", "metrics": {}, "published": "2026-10-06T09:18:30.970", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/030306bbb9273af80f14d7af20129661964cd9a7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/32cd87f54dd1070020e664ccb0312a9f0fea79b4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9dcc0f4e488b70cff81e0e5717a498c929cf5de3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ad50d19f3d1ce052b3a146143581e930a1efb33e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/bfdc744bf20ae4c3ef2e470298de5237c5c9a13c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/df2584750314336edcbcc21fb388e04b260f35b7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e3f039082856adab7e195dea1af45d93dd6a3f1c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f11e09fe2fc3a11ccdf8f932b68181b0bb1d2078"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{}