{
    "id": "CVE-2009-0746",
    "published": "2009-02-27 17:30:09",
    "last_modified": "2026-06-16 23:05:43",
    "cvss_score": "4.9",
    "cvss_severity": "MEDIUM",
    "cvss_version": "2.0",
    "cvss_vector": "AV:L/AC:L/Au:N/C:N/I:N/A:C",
    "cwe": "CWE-20",
    "description": "The make_indexed_dir function in fs/ext4/namei.c in the Linux kernel 2.6.27 before 2.6.27.19 and 2.6.28 before 2.6.28.7 does not validate a certain rec_len field, which allows local users to cause a denial of service (OOPS) by attempting to mount a crafted ext4 filesystem.",
    "epss_score": "0.00750",
    "epss_percentile": "0.53754",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-10-13 18:17:08",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "linux",
            "product": "linux_kernel"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "32775",
            "title": "Linux Kernel 2.6.x - 'make_indexed_dir()' Local Denial of Service",
            "date": "2009-02-16",
            "url": "https://www.exploit-db.com/exploits/32775"
        }
    ],
    "refs_list": [
        "http://bugzilla.kernel.org/show_bug.cgi?id=12430",
        "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=e6b8bc09ba2075cd91fbffefcd2778b1a00bd76f",
        "http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.27.19",
        "http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.28.7",
        "http://osvdb.org/52202",
        "http://rhn.redhat.com/errata/RHSA-2009-1243.html",
        "http://secunia.com/advisories/34394",
        "http://secunia.com/advisories/36562",
        "http://secunia.com/advisories/37471",
        "http://www.debian.org/security/2009/dsa-1749",
        "http://www.securityfocus.com/archive/1/507985/100/0/threaded",
        "http://www.ubuntu.com/usn/usn-751-1",
        "http://www.vmware.com/security/advisories/VMSA-2009-0016.html",
        "http://www.vupen.com/english/advisories/2009/0509",
        "http://www.vupen.com/english/advisories/2009/3316",
        "https://exchange.xforce.ibmcloud.com/vulnerabilities/48872",
        "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10342",
        "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8039",
        "http://bugzilla.kernel.org/show_bug.cgi?id=12430",
        "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=e6b8bc09ba2075cd91fbffefcd2778b1a00bd76f",
        "http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.27.19",
        "http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.28.7",
        "http://osvdb.org/52202",
        "http://rhn.redhat.com/errata/RHSA-2009-1243.html",
        "http://secunia.com/advisories/34394"
    ]
}