{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-89531",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-09-11T19:38:34.720Z",
        "datePublished": "2026-09-11T19:44:10.769Z",
        "dateUpdated": "2026-10-21T12:47:43.672Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-21T12:47:43.672Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsvcrdma: Reject connection when transport allocation fails\n\nhandle_connect_req() returns without action when\nsvc_rdma_create_xprt() fails to allocate the new transport.\nThe CM core returns 0 for CONNECT_REQUEST events, so it does\nnot destroy the new rdma_cm_id. Each allocation failure under\nmemory pressure leaks one rdma_cm_id, and a remote peer driving\nconnection attempts can amplify this.\n\nReject the connection by returning a non-zero status from the\nCM event handler, which tells the CM core to destroy the\norphaned cm_id."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/sunrpc/xprtrdma/svc_rdma_transport.c"
                    ],
                    "versions": [
                        {
                            "version": "377f9b2f4529e0ac702fd7b91e216afd0adc959e",
                            "lessThan": "5bf47bbea3c22c0af2293b6c393ab04d5420f7ab",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "377f9b2f4529e0ac702fd7b91e216afd0adc959e",
                            "lessThan": "6e21754bbf75075f3fee1cebc79f3417364235ec",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "377f9b2f4529e0ac702fd7b91e216afd0adc959e",
                            "lessThan": "3cf372cec7ab2cd8c6002bf775cc14d90ccb098b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "377f9b2f4529e0ac702fd7b91e216afd0adc959e",
                            "lessThan": "1f6a14c142fee4778c32709d1d54595c2e2b7991",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "377f9b2f4529e0ac702fd7b91e216afd0adc959e",
                            "lessThan": "0944462247dcb7de7622cdaaadf5f05c52707dab",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/sunrpc/xprtrdma/svc_rdma_transport.c"
                    ],
                    "versions": [
                        {
                            "version": "2.6.25",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "2.6.25",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.160",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.109",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.50",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.4",
                            "lessThanOrEqual": "7.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.3",
                            "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": "2.6.25",
                                    "versionEndExcluding": "6.6.160"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.25",
                                    "versionEndExcluding": "6.12.109"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.25",
                                    "versionEndExcluding": "6.18.50"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.25",
                                    "versionEndExcluding": "7.2.4"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.25",
                                    "versionEndExcluding": "7.3"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/5bf47bbea3c22c0af2293b6c393ab04d5420f7ab"
                },
                {
                    "url": "https://git.kernel.org/stable/c/6e21754bbf75075f3fee1cebc79f3417364235ec"
                },
                {
                    "url": "https://git.kernel.org/stable/c/3cf372cec7ab2cd8c6002bf775cc14d90ccb098b"
                },
                {
                    "url": "https://git.kernel.org/stable/c/1f6a14c142fee4778c32709d1d54595c2e2b7991"
                },
                {
                    "url": "https://git.kernel.org/stable/c/0944462247dcb7de7622cdaaadf5f05c52707dab"
                }
            ],
            "title": "svcrdma: Reject connection when transport allocation fails",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}