{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2021-47523",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2024-05-24T15:02:54.825Z",
        "datePublished": "2024-05-24T15:09:36.045Z",
        "dateUpdated": "2024-08-04T05:39:59.792Z"
    },
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                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2024-05-29T05:09:26.350Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nIB/hfi1: Fix leak of rcvhdrtail_dummy_kvaddr\n\nThis buffer is currently allocated in hfi1_init():\n\n\tif (reinit)\n\t\tret = init_after_reset(dd);\n\telse\n\t\tret = loadtime_init(dd);\n\tif (ret)\n\t\tgoto done;\n\n\t/* allocate dummy tail memory for all receive contexts */\n\tdd->rcvhdrtail_dummy_kvaddr = dma_alloc_coherent(&dd->pcidev->dev,\n\t\t\t\t\t\t\t sizeof(u64),\n\t\t\t\t\t\t\t &dd->rcvhdrtail_dummy_dma,\n\t\t\t\t\t\t\t GFP_KERNEL);\n\n\tif (!dd->rcvhdrtail_dummy_kvaddr) {\n\t\tdd_dev_err(dd, \"cannot allocate dummy tail memory\\n\");\n\t\tret = -ENOMEM;\n\t\tgoto done;\n\t}\n\nThe reinit triggered path will overwrite the old allocation and leak it.\n\nFix by moving the allocation to hfi1_alloc_devdata() and the deallocation\nto hfi1_free_devdata()."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/infiniband/hw/hfi1/init.c"
                    ],
                    "versions": [
                        {
                            "version": "46b010d3eeb8",
                            "lessThan": "2c08271f4ed0",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "46b010d3eeb8",
                            "lessThan": "834d0fb97864",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "46b010d3eeb8",
                            "lessThan": "60a8b5a1611b",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
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                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/infiniband/hw/hfi1/init.c"
                    ],
                    "versions": [
                        {
                            "version": "4.5",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.5",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "5.10.85",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "5.15.8",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "custom"
                        },
                        {
                            "version": "5.16",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/2c08271f4ed0e24633b3f81ceff61052b9d45efc"
                },
                {
                    "url": "https://git.kernel.org/stable/c/834d0fb978643eaf09da425de197cc16a7c2761b"
                },
                {
                    "url": "https://git.kernel.org/stable/c/60a8b5a1611b4a26de4839ab9c1fc2a9cf3e17c1"
                }
            ],
            "title": "IB/hfi1: Fix leak of rcvhdrtail_dummy_kvaddr",
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        },
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                            "type": "ssvc",
                            "content": {
                                "id": "CVE-2021-47523",
                                "role": "CISA Coordinator",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "version": "2.0.3",
                                "timestamp": "2024-05-24T19:17:45.550563Z"
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                    "dateUpdated": "2024-06-04T17:14:34.257Z"
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                    "shortName": "CVE",
                    "dateUpdated": "2024-08-04T05:39:59.792Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://git.kernel.org/stable/c/2c08271f4ed0e24633b3f81ceff61052b9d45efc",
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