{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2007-3731",
        "ASSIGNER": "secalert@redhat.com",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "The Linux kernel 2.6.20 and 2.6.21 does not properly handle an invalid LDT segment selector in %cs (the xcs field) during ptrace single-step operations, which allows local users to cause a denial of service (NULL dereference and OOPS) via certain code that makes ptrace PTRACE_SETREGS and PTRACE_SINGLESTEP requests, related to the TRACE_IRQS_ON function, and possibly related to the arch_ptrace function."
            }
        ]
    },
    "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://secunia.com/advisories/27322",
                "refsource": "MISC",
                "name": "http://secunia.com/advisories/27322"
            },
            {
                "url": "http://www.redhat.com/support/errata/RHSA-2007-0940.html",
                "refsource": "MISC",
                "name": "http://www.redhat.com/support/errata/RHSA-2007-0940.html"
            },
            {
                "url": "http://bugzilla.kernel.org/show_bug.cgi?id=8765",
                "refsource": "MISC",
                "name": "http://bugzilla.kernel.org/show_bug.cgi?id=8765"
            },
            {
                "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=29eb51101c02df517ca64ec472d7501127ad1da8",
                "refsource": "MISC",
                "name": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=29eb51101c02df517ca64ec472d7501127ad1da8"
            },
            {
                "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=a10d9a71bafd3a283da240d2868e71346d2aef6f",
                "refsource": "MISC",
                "name": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=a10d9a71bafd3a283da240d2868e71346d2aef6f"
            },
            {
                "url": "http://osvdb.org/37286",
                "refsource": "MISC",
                "name": "http://osvdb.org/37286"
            },
            {
                "url": "http://secunia.com/advisories/26935",
                "refsource": "MISC",
                "name": "http://secunia.com/advisories/26935"
            },
            {
                "url": "http://secunia.com/advisories/26955",
                "refsource": "MISC",
                "name": "http://secunia.com/advisories/26955"
            },
            {
                "url": "http://secunia.com/advisories/26978",
                "refsource": "MISC",
                "name": "http://secunia.com/advisories/26978"
            },
            {
                "url": "http://secunia.com/advisories/29159",
                "refsource": "MISC",
                "name": "http://secunia.com/advisories/29159"
            },
            {
                "url": "http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0094",
                "refsource": "MISC",
                "name": "http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0094"
            },
            {
                "url": "http://www.debian.org/security/2007/dsa-1378",
                "refsource": "MISC",
                "name": "http://www.debian.org/security/2007/dsa-1378"
            },
            {
                "url": "http://www.securityfocus.com/archive/1/488972/100/0/threaded",
                "refsource": "MISC",
                "name": "http://www.securityfocus.com/archive/1/488972/100/0/threaded"
            },
            {
                "url": "http://www.securityfocus.com/bid/25801",
                "refsource": "MISC",
                "name": "http://www.securityfocus.com/bid/25801"
            },
            {
                "url": "http://www.ubuntu.com/usn/usn-518-1",
                "refsource": "MISC",
                "name": "http://www.ubuntu.com/usn/usn-518-1"
            },
            {
                "url": "https://issues.rpath.com/browse/RPL-2304",
                "refsource": "MISC",
                "name": "https://issues.rpath.com/browse/RPL-2304"
            },
            {
                "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10394",
                "refsource": "MISC",
                "name": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10394"
            },
            {
                "url": "https://bugzilla.redhat.com/show_bug.cgi?id=248324",
                "refsource": "MISC",
                "name": "https://bugzilla.redhat.com/show_bug.cgi?id=248324"
            }
        ]
    }
}