{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2018-10840",
        "ASSIGNER": "secalert@redhat.com",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "Linux kernel is vulnerable to a heap-based buffer overflow in the fs/ext4/xattr.c:ext4_xattr_set_entry() function. An attacker could exploit this by operating on a mounted crafted ext4 image."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-122",
                        "cweId": "CWE-122"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "kernel",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "heap-based buffer overflow in fs/ext4/xattr.c",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "=",
                                            "version_value": "n/a"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://usn.ubuntu.com/3752-1/",
                "refsource": "MISC",
                "name": "https://usn.ubuntu.com/3752-1/"
            },
            {
                "url": "https://usn.ubuntu.com/3752-2/",
                "refsource": "MISC",
                "name": "https://usn.ubuntu.com/3752-2/"
            },
            {
                "url": "https://usn.ubuntu.com/3752-3/",
                "refsource": "MISC",
                "name": "https://usn.ubuntu.com/3752-3/"
            },
            {
                "url": "http://www.securityfocus.com/bid/104858",
                "refsource": "MISC",
                "name": "http://www.securityfocus.com/bid/104858"
            },
            {
                "url": "https://access.redhat.com/errata/RHSA-2019:0162",
                "refsource": "MISC",
                "name": "https://access.redhat.com/errata/RHSA-2019:0162"
            },
            {
                "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10840",
                "refsource": "MISC",
                "name": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10840"
            }
        ]
    },
    "impact": {
        "cvss": [
            {
                "attackComplexity": "LOW",
                "attackVector": "PHYSICAL",
                "availabilityImpact": "HIGH",
                "baseScore": 5.2,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "LOW",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H",
                "version": "3.0"
            }
        ]
    }
}