{
    "CVE_data_meta": {
        "AKA": "",
        "ASSIGNER": "security@ubuntu.com",
        "DATE_PUBLIC": "2020-10-13T16:00:00.000Z",
        "ID": "CVE-2020-16119",
        "STATE": "PUBLIC",
        "TITLE": "DCCP CCID structure use-after-free"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Linux kernel",
                                "version": {
                                    "version_data": [
                                        {
                                            "platform": "",
                                            "version_affected": "<",
                                            "version_name": "5.4 kernel",
                                            "version_value": "5.4.0-51.56"
                                        },
                                        {
                                            "platform": "",
                                            "version_affected": "<",
                                            "version_name": "5.3 kernel",
                                            "version_value": "5.3.0-68.63"
                                        },
                                        {
                                            "platform": "",
                                            "version_affected": "<",
                                            "version_name": "4.15 kernel",
                                            "version_value": "4.15.0-121.123"
                                        },
                                        {
                                            "platform": "",
                                            "version_affected": "<",
                                            "version_name": "4.4 kernel",
                                            "version_value": "4.4.0-193.224"
                                        },
                                        {
                                            "platform": "",
                                            "version_affected": "<",
                                            "version_name": "3.13 kernel",
                                            "version_value": "3.13.0.182.191"
                                        },
                                        {
                                            "platform": "",
                                            "version_affected": "<",
                                            "version_name": "3.2 kernel",
                                            "version_value": "3.2.0-149.196"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "Canonical"
                }
            ]
        }
    },
    "configuration": [],
    "credit": [
        {
            "lang": "eng",
            "value": "Hador Manor"
        }
    ],
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "Use-after-free vulnerability in the Linux kernel exploitable by a local attacker due to reuse of a DCCP socket with an attached dccps_hc_tx_ccid object as a listener after being released. Fixed in Ubuntu Linux kernel 5.4.0-51.56, 5.3.0-68.63, 4.15.0-121.123, 4.4.0-193.224, 3.13.0.182.191 and 3.2.0-149.196."
            }
        ]
    },
    "exploit": [],
    "generator": {
        "engine": "Vulnogram 0.0.9"
    },
    "impact": {
        "cvss": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 6.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H",
            "version": "3.1"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-416 Use After Free"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "https://launchpad.net/bugs/1883840",
                "refsource": "UBUNTU",
                "url": "https://launchpad.net/bugs/1883840"
            },
            {
                "name": "https://ubuntu.com/USN-4576-1",
                "refsource": "UBUNTU",
                "url": "https://ubuntu.com/USN-4576-1"
            },
            {
                "name": "https://ubuntu.com/USN-4577-1",
                "refsource": "UBUNTU",
                "url": "https://ubuntu.com/USN-4577-1"
            },
            {
                "name": "https://ubuntu.com/USN-4578-1",
                "refsource": "UBUNTU",
                "url": "https://ubuntu.com/USN-4578-1"
            },
            {
                "name": "https://ubuntu.com/USN-4579-1",
                "refsource": "UBUNTU",
                "url": "https://ubuntu.com/USN-4579-1"
            },
            {
                "name": "https://ubuntu.com/USN-4580-1",
                "refsource": "UBUNTU",
                "url": "https://ubuntu.com/USN-4580-1"
            },
            {
                "name": "https://lore.kernel.org/netdev/20201013171849.236025-1-kleber.souza@canonical.com/T/",
                "refsource": "CONFIRM",
                "url": "https://lore.kernel.org/netdev/20201013171849.236025-1-kleber.souza@canonical.com/T/"
            },
            {
                "name": "https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/focal/commit/?id=01872cb896c76cedeabe93a08456976ab55ad695",
                "refsource": "UBUNTU",
                "url": "https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/focal/commit/?id=01872cb896c76cedeabe93a08456976ab55ad695"
            },
            {
                "refsource": "CONFIRM",
                "name": "https://security.netapp.com/advisory/ntap-20210304-0006/",
                "url": "https://security.netapp.com/advisory/ntap-20210304-0006/"
            },
            {
                "refsource": "DEBIAN",
                "name": "DSA-4978",
                "url": "https://www.debian.org/security/2021/dsa-4978"
            },
            {
                "refsource": "MLIST",
                "name": "[debian-lts-announce] 20211015 [SECURITY] [DLA 2785-1] linux-4.19 security update",
                "url": "https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html"
            },
            {
                "refsource": "MLIST",
                "name": "[debian-lts-announce] 20211216 [SECURITY] [DLA 2843-1] linux security update",
                "url": "https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html"
            }
        ]
    },
    "solution": [],
    "source": {
        "advisory": "https://ubuntu.com/USN-4576-1",
        "defect": [
            "https://launchpad.net/bugs/1883840"
        ],
        "discovery": "USER"
    },
    "work_around": []
}