cvelist/2023/6xxx/CVE-2023-6356.json

{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2023-6356",
        "ASSIGNER": "secalert@redhat.com",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "A flaw was found in the Linux kernel's NVMe driver. This issue may allow an unauthenticated malicious actor to send a set of crafted TCP packages when using NVMe over TCP, leading the NVMe driver to a NULL pointer dereference in the NVMe driver and causing kernel panic and a denial of service."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "NULL Pointer Dereference",
                        "cweId": "CWE-476"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "n/a",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "kernel",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "not down converted",
                                            "x_cve_json_5_version_data": {
                                                "defaultStatus": "affected"
                                            }
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                },
                {
                    "vendor_name": "Red Hat",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Red Hat Enterprise Linux 8.6 Extended Update Support",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "not down converted",
                                            "x_cve_json_5_version_data": {
                                                "versions": [
                                                    {
                                                        "version": "0:4.18.0-372.91.1.el8_6",
                                                        "lessThan": "*",
                                                        "versionType": "rpm",
                                                        "status": "unaffected"
                                                    }
                                                ],
                                                "defaultStatus": "affected"
                                            }
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "Red Hat Enterprise Linux 9.2 Extended Update Support",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "not down converted",
                                            "x_cve_json_5_version_data": {
                                                "versions": [
                                                    {
                                                        "version": "0:5.14.0-284.52.1.el9_2",
                                                        "lessThan": "*",
                                                        "versionType": "rpm",
                                                        "status": "unaffected"
                                                    }
                                                ],
                                                "defaultStatus": "affected"
                                            }
                                        },
                                        {
                                            "version_value": "not down converted",
                                            "x_cve_json_5_version_data": {
                                                "versions": [
                                                    {
                                                        "version": "0:5.14.0-284.52.1.rt14.337.el9_2",
                                                        "lessThan": "*",
                                                        "versionType": "rpm",
                                                        "status": "unaffected"
                                                    }
                                                ],
                                                "defaultStatus": "affected"
                                            }
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "Red Hat Virtualization 4 for Red Hat Enterprise Linux 8",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "not down converted",
                                            "x_cve_json_5_version_data": {
                                                "versions": [
                                                    {
                                                        "version": "0:4.18.0-372.91.1.el8_6",
                                                        "lessThan": "*",
                                                        "versionType": "rpm",
                                                        "status": "unaffected"
                                                    }
                                                ],
                                                "defaultStatus": "affected"
                                            }
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "Red Hat Enterprise Linux 6",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "not down converted",
                                            "x_cve_json_5_version_data": {
                                                "defaultStatus": "unaffected"
                                            }
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "Red Hat Enterprise Linux 7",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "not down converted",
                                            "x_cve_json_5_version_data": {
                                                "defaultStatus": "unaffected"
                                            }
                                        },
                                        {
                                            "version_value": "not down converted",
                                            "x_cve_json_5_version_data": {
                                                "defaultStatus": "unaffected"
                                            }
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "Red Hat Enterprise Linux 8",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "not down converted",
                                            "x_cve_json_5_version_data": {
                                                "defaultStatus": "affected"
                                            }
                                        }
                                    ]
                                }
                            },
                            {
                                "product_name": "Red Hat Enterprise Linux 9",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "not down converted",
                                            "x_cve_json_5_version_data": {
                                                "defaultStatus": "affected"
                                            }
                                        },
                                        {
                                            "version_value": "not down converted",
                                            "x_cve_json_5_version_data": {
                                                "defaultStatus": "affected"
                                            }
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                },
                {
                    "vendor_name": "Fedora",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Fedora",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "not down converted",
                                            "x_cve_json_5_version_data": {
                                                "defaultStatus": "affected"
                                            }
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://access.redhat.com/errata/RHSA-2024:0723",
                "refsource": "MISC",
                "name": "https://access.redhat.com/errata/RHSA-2024:0723"
            },
            {
                "url": "https://access.redhat.com/errata/RHSA-2024:0724",
                "refsource": "MISC",
                "name": "https://access.redhat.com/errata/RHSA-2024:0724"
            },
            {
                "url": "https://access.redhat.com/errata/RHSA-2024:0725",
                "refsource": "MISC",
                "name": "https://access.redhat.com/errata/RHSA-2024:0725"
            },
            {
                "url": "https://access.redhat.com/security/cve/CVE-2023-6356",
                "refsource": "MISC",
                "name": "https://access.redhat.com/security/cve/CVE-2023-6356"
            },
            {
                "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2254054",
                "refsource": "MISC",
                "name": "https://bugzilla.redhat.com/show_bug.cgi?id=2254054"
            }
        ]
    },
    "work_around": [
        {
            "lang": "en",
            "value": "To mitigate this issue, prevent module nvmet-tcp from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically."
        }
    ],
    "credits": [
        {
            "lang": "en",
            "value": "Red Hat would like to thank Alon Zahavi for reporting this issue."
        }
    ],
    "impact": {
        "cvss": [
            {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 6.5,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                "version": "3.1"
            }
        ]
    }
}