{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2011-4086",
        "ASSIGNER": "secalert@redhat.com",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "The journal_unmap_buffer function in fs/jbd2/transaction.c in the Linux kernel before 3.3.1 does not properly handle the _Delay and _Unwritten buffer head states, which allows local users to cause a denial of service (system crash) by leveraging the presence of an ext4 filesystem that was mounted with a journal."
            }
        ]
    },
    "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://lists.opensuse.org/opensuse-security-announce/2012-04/msg00021.html",
                "refsource": "MISC",
                "name": "http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00021.html"
            },
            {
                "url": "http://secunia.com/advisories/48898",
                "refsource": "MISC",
                "name": "http://secunia.com/advisories/48898"
            },
            {
                "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=15291164b22a357cb211b618adfef4fa82fc0de3",
                "refsource": "MISC",
                "name": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=15291164b22a357cb211b618adfef4fa82fc0de3"
            },
            {
                "url": "http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00013.html",
                "refsource": "MISC",
                "name": "http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00013.html"
            },
            {
                "url": "http://rhn.redhat.com/errata/RHSA-2012-0571.html",
                "refsource": "MISC",
                "name": "http://rhn.redhat.com/errata/RHSA-2012-0571.html"
            },
            {
                "url": "http://rhn.redhat.com/errata/RHSA-2012-0670.html",
                "refsource": "MISC",
                "name": "http://rhn.redhat.com/errata/RHSA-2012-0670.html"
            },
            {
                "url": "http://secunia.com/advisories/48964",
                "refsource": "MISC",
                "name": "http://secunia.com/advisories/48964"
            },
            {
                "url": "http://www.debian.org/security/2012/dsa-2469",
                "refsource": "MISC",
                "name": "http://www.debian.org/security/2012/dsa-2469"
            },
            {
                "url": "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.3.1",
                "refsource": "MISC",
                "name": "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.3.1"
            },
            {
                "url": "https://github.com/torvalds/linux/commit/15291164b22a357cb211b618adfef4fa82fc0de3",
                "refsource": "MISC",
                "name": "https://github.com/torvalds/linux/commit/15291164b22a357cb211b618adfef4fa82fc0de3"
            },
            {
                "url": "https://bugzilla.redhat.com/show_bug.cgi?id=749143",
                "refsource": "MISC",
                "name": "https://bugzilla.redhat.com/show_bug.cgi?id=749143"
            }
        ]
    }
}