{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2021-47198",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2024-03-25T09:12:14.116Z",
        "datePublished": "2024-04-10T18:56:33.898Z",
        "dateUpdated": "2026-05-11T13:49:52.614Z"
    },
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                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T13:49:52.614Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "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()."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/scsi/lpfc/lpfc_hbadisc.c"
                    ],
                    "versions": [
                        {
                            "version": "fe83e3b9b422ac8ece2359c7b7290efe7f0335a2",
                            "lessThan": "dbebf865b3239595c1d4dba063b122862583b52a",
                            "status": "affected",
                            "versionType": "git"
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                            "version": "fe83e3b9b422ac8ece2359c7b7290efe7f0335a2",
                            "lessThan": "79b20beccea3a3938a8500acef4e6b9d7c66142f",
                            "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/scsi/lpfc/lpfc_hbadisc.c"
                    ],
                    "versions": [
                        {
                            "version": "5.14",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.14",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.5",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.16",
                            "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": "5.14",
                                    "versionEndExcluding": "5.15.5"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.14",
                                    "versionEndExcluding": "5.16"
                                }
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            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/dbebf865b3239595c1d4dba063b122862583b52a"
                },
                {
                    "url": "https://git.kernel.org/stable/c/79b20beccea3a3938a8500acef4e6b9d7c66142f"
                }
            ],
            "title": "scsi: lpfc: Fix use-after-free in lpfc_unreg_rpi() routine",
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        },
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                    "shortName": "CVE",
                    "dateUpdated": "2024-08-04T05:32:07.373Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://git.kernel.org/stable/c/dbebf865b3239595c1d4dba063b122862583b52a",
                        "tags": [
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                        ]
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                            "content": {
                                "id": "CVE-2021-47198",
                                "role": "CISA Coordinator",
                                "options": [
                                    {
                                        "Exploitation": "none"
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                                        "Automatable": "no"
                                    },
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                                        "Technical Impact": "partial"
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                                ],
                                "version": "2.0.3",
                                "timestamp": "2024-09-10T15:50:04.933351Z"
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