{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-64321",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-07-19T15:36:31.780Z",
        "datePublished": "2026-07-25T08:49:49.541Z",
        "dateUpdated": "2026-08-17T04:53:22.133Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-08-17T04:53:22.133Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnvme: target: rdma: fix ndev refcount leak on queue connect\n\nnvmet_rdma_queue_connect() calls nvmet_rdma_find_get_device() which\nacquires a reference on the returned ndev via kref_get(). On the path\nwhere the host queue backlog is exceeded and the function returns\nNVME_SC_CONNECT_CTRL_BUSY, reference of ndev is not released, leaking\nthe kref.\n\nFix this by adding a goto to the existing put_device label before the\nearly return."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/nvme/target/rdma.c"
                    ],
                    "versions": [
                        {
                            "version": "31deaeb11ba7a885116c9c30892b9f763c04d59c",
                            "lessThan": "d65fe42820b890a6a4644de0a95a812471f79ad3",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "31deaeb11ba7a885116c9c30892b9f763c04d59c",
                            "lessThan": "a8803c4f0ac3fa7df5551bbb5a8800c434a94357",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "31deaeb11ba7a885116c9c30892b9f763c04d59c",
                            "lessThan": "5828517d17eda27f21d29ea14800c9e0a57bad11",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "31deaeb11ba7a885116c9c30892b9f763c04d59c",
                            "lessThan": "badc53620fe813b3a9f727ef9526f98567c2c898",
                            "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/nvme/target/rdma.c"
                    ],
                    "versions": [
                        {
                            "version": "6.8",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.8",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.96",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.39",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1.4",
                            "lessThanOrEqual": "7.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2",
                            "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": "6.8",
                                    "versionEndExcluding": "6.12.96"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.8",
                                    "versionEndExcluding": "6.18.39"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.8",
                                    "versionEndExcluding": "7.1.4"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.8",
                                    "versionEndExcluding": "7.2"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/d65fe42820b890a6a4644de0a95a812471f79ad3"
                },
                {
                    "url": "https://git.kernel.org/stable/c/a8803c4f0ac3fa7df5551bbb5a8800c434a94357"
                },
                {
                    "url": "https://git.kernel.org/stable/c/5828517d17eda27f21d29ea14800c9e0a57bad11"
                },
                {
                    "url": "https://git.kernel.org/stable/c/badc53620fe813b3a9f727ef9526f98567c2c898"
                }
            ],
            "title": "nvme: target: rdma: fix ndev refcount leak on queue connect",
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                "engine": "bippy-1.2.0"
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    }
}