{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2011-2491",
        "ASSIGNER": "secalert@redhat.com",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "The Network Lock Manager (NLM) protocol implementation in the NFS client functionality in the Linux kernel before 3.0 allows local users to cause a denial of service (system hang) via a LOCK_UN flock system call."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "n/a",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "n/a",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "=",
                                            "version_value": "n/a"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "http://ftp.osuosl.org/pub/linux/kernel/v3.0/ChangeLog-3.0",
                "refsource": "MISC",
                "name": "http://ftp.osuosl.org/pub/linux/kernel/v3.0/ChangeLog-3.0"
            },
            {
                "url": "http://rhn.redhat.com/errata/RHSA-2011-1212.html",
                "refsource": "MISC",
                "name": "http://rhn.redhat.com/errata/RHSA-2011-1212.html"
            },
            {
                "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=0b760113a3a155269a3fba93a409c640031dd68f",
                "refsource": "MISC",
                "name": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=0b760113a3a155269a3fba93a409c640031dd68f"
            },
            {
                "url": "http://www.openwall.com/lists/oss-security/2011/06/23/6",
                "refsource": "MISC",
                "name": "http://www.openwall.com/lists/oss-security/2011/06/23/6"
            },
            {
                "url": "https://github.com/torvalds/linux/commit/0b760113a3a155269a3fba93a409c640031dd68f",
                "refsource": "MISC",
                "name": "https://github.com/torvalds/linux/commit/0b760113a3a155269a3fba93a409c640031dd68f"
            },
            {
                "url": "https://bugzilla.redhat.com/show_bug.cgi?id=709393",
                "refsource": "MISC",
                "name": "https://bugzilla.redhat.com/show_bug.cgi?id=709393"
            }
        ]
    }
}