cvelist/2021/47xxx/CVE-2021-47198.json

{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2021-47198",
        "ASSIGNER": "cve@kernel.org",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: lpfc: Fix use-after-free in lpfc_unreg_rpi() routine\n\nAn error is detected with the following report when unloading the driver:\n  \"KASAN: use-after-free in lpfc_unreg_rpi+0x1b1b\"\n\nThe NLP_REG_LOGIN_SEND nlp_flag is set in lpfc_reg_fab_ctrl_node(), but the\nflag is not cleared upon completion of the login.\n\nThis allows a second call to lpfc_unreg_rpi() to proceed with nlp_rpi set\nto LPFC_RPI_ALLOW_ERROR.  This results in a use after free access when used\nas an rpi_ids array index.\n\nFix by clearing the NLP_REG_LOGIN_SEND nlp_flag in\nlpfc_mbx_cmpl_fc_reg_login()."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "Linux",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Linux",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_name": "1da177e4c3f4",
                                            "version_value": "dbebf865b323"
                                        },
                                        {
                                            "version_value": "not down converted",
                                            "x_cve_json_5_version_data": {
                                                "versions": [
                                                    {
                                                        "version": "5.15.5",
                                                        "lessThanOrEqual": "5.15.*",
                                                        "status": "unaffected",
                                                        "versionType": "semver"
                                                    },
                                                    {
                                                        "version": "5.16",
                                                        "lessThanOrEqual": "*",
                                                        "status": "unaffected",
                                                        "versionType": "original_commit_for_fix"
                                                    }
                                                ],
                                                "defaultStatus": "affected"
                                            }
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://git.kernel.org/stable/c/dbebf865b3239595c1d4dba063b122862583b52a",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/dbebf865b3239595c1d4dba063b122862583b52a"
            },
            {
                "url": "https://git.kernel.org/stable/c/79b20beccea3a3938a8500acef4e6b9d7c66142f",
                "refsource": "MISC",
                "name": "https://git.kernel.org/stable/c/79b20beccea3a3938a8500acef4e6b9d7c66142f"
            }
        ]
    },
    "generator": {
        "engine": "bippy-9e1c9544281a"
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