{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-89527",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-09-11T19:38:34.719Z",
        "datePublished": "2026-09-11T19:44:07.785Z",
        "dateUpdated": "2026-10-21T12:47:40.431Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-21T12:47:40.431Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsvcrdma: Use svc_xprt_put to free listener on create failure\n\nsvc_rdma_create() calls kfree(cma_xprt) when\nsvc_rdma_create_listen_id() fails. svc_xprt_init() has already\nacquired a net namespace reference via get_net_track(); kfree\nbypasses svc_xprt_free() which releases it.\n\nReplace the kfree() with svc_xprt_put() so the kref_init birth\nreference drops to zero and svc_xprt_free() dispatches\nsvc_rdma_free() to clean up properly. sc_cm_id is still NULL\nat that point; the preceding patch added the necessary NULL\nguard in svc_rdma_free().\n\nsvc_xprt_free() also drops the module reference via\nmodule_put(), but the caller _svc_xprt_create() does the same\non xpo_create failure, double-putting the single\ntry_module_get() it acquired. Take a compensating\n__module_get() before the svc_xprt_put() to keep the count\nbalanced, matching the convention in svc_rdma_accept()'s error\npath."
                }
            ],
            "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": "4fb8518bdac8e85f6580ea3f586adf396cd472bc",
                            "lessThan": "2e35ec558b8cece9399a50141ecaeadbdb8768dc",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4fb8518bdac8e85f6580ea3f586adf396cd472bc",
                            "lessThan": "ee70d690b5544b736706a9a5796aafb634013f54",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4fb8518bdac8e85f6580ea3f586adf396cd472bc",
                            "lessThan": "e68380710fc970e07610b2f42594575ad35fdb1c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4fb8518bdac8e85f6580ea3f586adf396cd472bc",
                            "lessThan": "ac1dd6002f758ab7dd3e737757e5a1bb1c0b38d6",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4fb8518bdac8e85f6580ea3f586adf396cd472bc",
                            "lessThan": "e346ef7bcb137f50c49f969330ab7dcf64ea1654",
                            "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": "2.6.37",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "2.6.37",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.160",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.113",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.56",
                            "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": "2.6.37",
                                    "versionEndExcluding": "6.6.160"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.37",
                                    "versionEndExcluding": "6.12.113"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.37",
                                    "versionEndExcluding": "6.18.56"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.37",
                                    "versionEndExcluding": "7.2.4"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.37",
                                    "versionEndExcluding": "7.3"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/2e35ec558b8cece9399a50141ecaeadbdb8768dc"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ee70d690b5544b736706a9a5796aafb634013f54"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e68380710fc970e07610b2f42594575ad35fdb1c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ac1dd6002f758ab7dd3e737757e5a1bb1c0b38d6"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e346ef7bcb137f50c49f969330ab7dcf64ea1654"
                }
            ],
            "title": "svcrdma: Use svc_xprt_put to free listener on create failure",
            "x_generator": {
                "engine": "bippy-1.2.0"
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        }
    }
}