{
    "id": "CVE-2009-2698",
    "published": "2009-08-27 17:30:00",
    "last_modified": "2026-06-16 23:10:03",
    "cvss_score": "7.8",
    "cvss_severity": "HIGH",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
    "cwe": "CWE-476",
    "description": "The udp_sendmsg function in the UDP implementation in (1) net/ipv4/udp.c and (2) net/ipv6/udp.c in the Linux kernel before 2.6.19 allows local users to gain privileges or cause a denial of service (NULL pointer dereference and system crash) via vectors involving the MSG_MORE flag and a UDP socket.",
    "epss_score": "0.07121",
    "epss_percentile": "0.94073",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-10-05 18:17:08",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "canonical",
            "product": "ubuntu_linux"
        },
        {
            "vendor": "fedoraproject",
            "product": "fedora"
        },
        {
            "vendor": "linux",
            "product": "linux_kernel"
        },
        {
            "vendor": "redhat",
            "product": "enterprise_linux_desktop"
        },
        {
            "vendor": "redhat",
            "product": "enterprise_linux_eus"
        },
        {
            "vendor": "redhat",
            "product": "enterprise_linux_server"
        },
        {
            "vendor": "redhat",
            "product": "enterprise_linux_server_aus"
        },
        {
            "vendor": "redhat",
            "product": "enterprise_linux_workstation"
        },
        {
            "vendor": "suse",
            "product": "linux_enterprise_desktop"
        },
        {
            "vendor": "suse",
            "product": "linux_enterprise_server"
        },
        {
            "vendor": "vmware",
            "product": "esxi"
        },
        {
            "vendor": "vmware",
            "product": "vcenter_server"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "9574",
            "title": "Linux Kernel < 2.6.19 (x86/x64) - 'udp_sendmsg' Local Privilege Escalation (2)",
            "date": "2009-09-02",
            "url": "https://www.exploit-db.com/exploits/9574"
        },
        {
            "source": "exploit-db",
            "ref_id": "9575",
            "title": "Linux Kernel < 2.6.19 (Debian 4) - 'udp_sendmsg' Local Privilege Escalation (3)",
            "date": "2009-09-02",
            "url": "https://www.exploit-db.com/exploits/9575"
        },
        {
            "source": "exploit-db",
            "ref_id": "9542",
            "title": "Linux Kernel 2.6 < 2.6.19 (White Box 4 / CentOS 4.4/4.5 / Fedora Core 4/5/6 x86) - 'ip_append_data()' Ring0 Privilege Escalation (1)",
            "date": "2009-08-31",
            "url": "https://www.exploit-db.com/exploits/9542"
        }
    ],
    "refs_list": [
        "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=1e0c14f49d6b393179f423abbac47f85618d3d46",
        "http://lists.opensuse.org/opensuse-security-announce/2009-08/msg00008.html",
        "http://rhn.redhat.com/errata/RHSA-2009-1222.html",
        "http://rhn.redhat.com/errata/RHSA-2009-1223.html",
        "http://secunia.com/advisories/23073",
        "http://secunia.com/advisories/36430",
        "http://secunia.com/advisories/36510",
        "http://secunia.com/advisories/37105",
        "http://secunia.com/advisories/37298",
        "http://secunia.com/advisories/37471",
        "http://support.avaya.com/css/P8/documents/100067254",
        "http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.19",
        "http://www.mandriva.com/security/advisories?name=MDVSA-2011:051",
        "http://www.openwall.com/lists/oss-security/2009/08/25/1",
        "http://www.redhat.com/support/errata/RHSA-2009-1233.html",
        "http://www.securityfocus.com/archive/1/507985/100/0/threaded",
        "http://www.securityfocus.com/archive/1/512019/100/0/threaded",
        "http://www.securityfocus.com/bid/36108",
        "http://www.securitytracker.com/id?1022761",
        "http://www.ubuntu.com/usn/USN-852-1",
        "http://www.vmware.com/security/advisories/VMSA-2009-0016.html",
        "http://www.vupen.com/english/advisories/2009/3316",
        "https://bugzilla.redhat.com/show_bug.cgi?id=518034",
        "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11514",
        "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8557"
    ]
}