{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "state": "PUBLISHED",
        "cveId": "CVE-2023-3439",
        "assignerOrgId": "92fb86c3-55a5-4fb5-9c3f-4757b9e96dc5",
        "assignerShortName": "fedora",
        "dateUpdated": "2025-03-10T21:08:54.880Z",
        "dateReserved": "2023-06-28T00:00:00.000Z",
        "datePublished": "2023-06-28T00:00:00.000Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "92fb86c3-55a5-4fb5-9c3f-4757b9e96dc5",
                "shortName": "fedora",
                "dateUpdated": "2023-07-02T00:00:00.000Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "A flaw was found in the MCTP protocol in the Linux kernel. The function mctp_unregister() reclaims the device's relevant resource when a netcard detaches. However, a running routine may be unaware of this and cause the use-after-free of the mdev->addrs object, potentially leading to a denial of service."
                }
            ],
            "affected": [
                {
                    "vendor": "n/a",
                    "product": "Linux Kernel (mctp)",
                    "versions": [
                        {
                            "version": "Fixed in kernel 5.18-rc5",
                            "status": "affected"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2217915"
                },
                {
                    "url": "https://github.com/torvalds/linux/commit/b561275d633bcd8e0e8055ab86f1a13df75a0269"
                },
                {
                    "name": "[oss-security] 20230702 CVE-2023-3439: Linux MCTP use-after-free in mctp_sendmsg",
                    "tags": [
                        "mailing-list"
                    ],
                    "url": "http://www.openwall.com/lists/oss-security/2023/07/02/1"
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "type": "CWE",
                            "lang": "en",
                            "description": "CWE-416",
                            "cweId": "CWE-416"
                        }
                    ]
                }
            ]
        },
        "adp": [
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-02T06:55:03.477Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2217915",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://github.com/torvalds/linux/commit/b561275d633bcd8e0e8055ab86f1a13df75a0269",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "name": "[oss-security] 20230702 CVE-2023-3439: Linux MCTP use-after-free in mctp_sendmsg",
                        "tags": [
                            "mailing-list",
                            "x_transferred"
                        ],
                        "url": "http://www.openwall.com/lists/oss-security/2023/07/02/1"
                    }
                ]
            },
            {
                "metrics": [
                    {
                        "cvssV3_1": {
                            "scope": "UNCHANGED",
                            "version": "3.1",
                            "baseScore": 4.7,
                            "attackVector": "LOCAL",
                            "baseSeverity": "MEDIUM",
                            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H",
                            "integrityImpact": "NONE",
                            "userInteraction": "NONE",
                            "attackComplexity": "HIGH",
                            "availabilityImpact": "HIGH",
                            "privilegesRequired": "LOW",
                            "confidentialityImpact": "NONE"
                        }
                    },
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2025-03-06T15:55:04.331859Z",
                                "id": "CVE-2023-3439",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2025-03-10T21:08:54.880Z"
                }
            }
        ]
    }
}