{
    "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2016-2854",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "n/a",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "n/a"
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                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "n/a"
                }
            ]
        }
    },
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "The aufs module for the Linux kernel 3.x and 4.x does not properly maintain POSIX ACL xattr data, which allows local users to gain privileges by leveraging a group-writable setgid directory."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
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    "references": {
        "reference_data": [
            {
                "name": "http://www.halfdog.net/Security/2016/AufsPrivilegeEscalationInUserNamespaces/",
                "refsource": "MISC",
                "url": "http://www.halfdog.net/Security/2016/AufsPrivilegeEscalationInUserNamespaces/"
            },
            {
                "name": "[oss-security] 20160224 Aufs Union Filesystem Privilege Escalation In User Namespaces",
                "refsource": "MLIST",
                "url": "http://www.openwall.com/lists/oss-security/2016/02/24/9"
            },
            {
                "name": "[aufs] 20160219 aufs3 and aufs4 GIT release",
                "refsource": "MLIST",
                "url": "https://sourceforge.net/p/aufs/mailman/message/34864744/"
            },
            {
                "name": "96838",
                "refsource": "BID",
                "url": "http://www.securityfocus.com/bid/96838"
            }
        ]
    }
}