cvelist/2014/8xxx/CVE-2014-8989.json

{
    "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2014-8989",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "n/a",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "n/a"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "n/a"
                }
            ]
        }
    },
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "The Linux kernel through 3.17.4 does not properly restrict dropping of supplemental group memberships in certain namespace scenarios, which allows local users to bypass intended file permissions by leveraging a POSIX ACL containing an entry for the group category that is more restrictive than the entry for the other category, aka a \"negative groups\" issue, related to kernel/groups.c, kernel/uid16.c, and kernel/user_namespace.c."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "FEDORA-2015-0517",
                "refsource": "FEDORA",
                "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-January/147864.html"
            },
            {
                "name": "USN-2515-1",
                "refsource": "UBUNTU",
                "url": "http://www.ubuntu.com/usn/USN-2515-1"
            },
            {
                "name": "71154",
                "refsource": "BID",
                "url": "http://www.securityfocus.com/bid/71154"
            },
            {
                "name": "USN-2518-1",
                "refsource": "UBUNTU",
                "url": "http://www.ubuntu.com/usn/USN-2518-1"
            },
            {
                "name": "MDVSA-2015:058",
                "refsource": "MANDRIVA",
                "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2015:058"
            },
            {
                "name": "FEDORA-2015-0515",
                "refsource": "FEDORA",
                "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-January/147973.html"
            },
            {
                "name": "http://thread.gmane.org/gmane.linux.man/7385/",
                "refsource": "CONFIRM",
                "url": "http://thread.gmane.org/gmane.linux.man/7385/"
            },
            {
                "name": "USN-2517-1",
                "refsource": "UBUNTU",
                "url": "http://www.ubuntu.com/usn/USN-2517-1"
            },
            {
                "name": "[oss-security] 20141120 Re: Linux user namespaces can bypass group-based restrictions - Linux kernel",
                "refsource": "MLIST",
                "url": "http://www.openwall.com/lists/oss-security/2014/11/20/4"
            },
            {
                "name": "USN-2516-1",
                "refsource": "UBUNTU",
                "url": "http://www.ubuntu.com/usn/USN-2516-1"
            }
        ]
    }
}