{
    "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2014-9717",
        "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": "fs/namespace.c in the Linux kernel before 4.0.2 processes MNT_DETACH umount2 system calls without verifying that the MNT_LOCKED flag is unset, which allows local users to bypass intended access restrictions and navigate to filesystem locations beneath a mount by calling umount2 within a user namespace."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "SUSE-SU-2016:1690",
                "refsource": "SUSE",
                "url": "http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00054.html"
            },
            {
                "name": "SUSE-SU-2016:1696",
                "refsource": "SUSE",
                "url": "http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00056.html"
            },
            {
                "name": "https://github.com/torvalds/linux/commit/ce07d891a0891d3c0d0c2d73d577490486b809e1",
                "refsource": "CONFIRM",
                "url": "https://github.com/torvalds/linux/commit/ce07d891a0891d3c0d0c2d73d577490486b809e1"
            },
            {
                "name": "[oss-security] 20150417 USERNS allows circumventing MNT_LOCKED",
                "refsource": "MLIST",
                "url": "http://www.openwall.com/lists/oss-security/2015/04/17/4"
            },
            {
                "name": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ce07d891a0891d3c0d0c2d73d577490486b809e1",
                "refsource": "CONFIRM",
                "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ce07d891a0891d3c0d0c2d73d577490486b809e1"
            },
            {
                "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1226751",
                "refsource": "CONFIRM",
                "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1226751"
            },
            {
                "name": "[linux-kernel] 20141007 [PATCH] mnt: don't allow to detach the namespace root",
                "refsource": "MLIST",
                "url": "https://groups.google.com/forum/message/raw?msg=linux.kernel/HnegnbXk0Vs/RClojwJzAFEJ"
            },
            {
                "name": "[containers] 20150402 [PATCH review 0/19] Locked mount and loopback mount fixes",
                "refsource": "MLIST",
                "url": "http://www.spinics.net/lists/linux-containers/msg30786.html"
            },
            {
                "name": "74226",
                "refsource": "BID",
                "url": "http://www.securityfocus.com/bid/74226"
            },
            {
                "name": "http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.0.2",
                "refsource": "CONFIRM",
                "url": "http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.0.2"
            },
            {
                "name": "SUSE-SU-2016:1937",
                "refsource": "SUSE",
                "url": "http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.html"
            }
        ]
    }
}