{
    "id": "CVE-2010-4165",
    "published": "2010-11-22 13:00:19",
    "last_modified": "2026-06-16 23:24:14",
    "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-369",
    "description": "The do_tcp_setsockopt function in net/ipv4/tcp.c in the Linux kernel before 2.6.37-rc2 does not properly restrict TCP_MAXSEG (aka MSS) values, which allows local users to cause a denial of service (OOPS) via a setsockopt call that specifies a small value, leading to a divide-by-zero error or incorrect use of a signed integer.",
    "epss_score": "0.01480",
    "epss_percentile": "0.73173",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-10-10 18:17:08",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "linux",
            "product": "linux_kernel"
        },
        {
            "vendor": "opensuse",
            "product": "opensuse"
        },
        {
            "vendor": "suse",
            "product": "linux_enterprise_desktop"
        },
        {
            "vendor": "suse",
            "product": "linux_enterprise_real_time_extension"
        },
        {
            "vendor": "suse",
            "product": "linux_enterprise_server"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "16952",
            "title": "Linux Kernel < 2.6.37-rc2 - 'TCP_MAXSEG' Kernel Panic (Denial of Service) (2)",
            "date": "2011-03-10",
            "url": "https://www.exploit-db.com/exploits/16952"
        },
        {
            "source": "exploit-db",
            "ref_id": "16263",
            "title": "Linux Kernel 2.6.37 - Local Kernel Denial of Service (1)",
            "date": "2011-03-02",
            "url": "https://www.exploit-db.com/exploits/16263"
        }
    ],
    "refs_list": [
        "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=7a1abd08d52fdeddb3e9a5a33f2f15cc6a5674d2",
        "http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00000.html",
        "http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00001.html",
        "http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00004.html",
        "http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html",
        "http://secunia.com/advisories/42778",
        "http://secunia.com/advisories/42801",
        "http://secunia.com/advisories/42932",
        "http://securityreason.com/securityalert/8111",
        "http://securityreason.com/securityalert/8123",
        "http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.37-rc2",
        "http://www.mandriva.com/security/advisories?name=MDVSA-2011:029",
        "http://www.mandriva.com/security/advisories?name=MDVSA-2011:051",
        "http://www.openwall.com/lists/oss-security/2010/11/12/1",
        "http://www.openwall.com/lists/oss-security/2010/11/12/4",
        "http://www.osvdb.org/69241",
        "http://www.securityfocus.com/bid/44830",
        "http://www.spinics.net/lists/netdev/msg146405.html",
        "http://www.spinics.net/lists/netdev/msg146495.html",
        "http://www.vupen.com/english/advisories/2011/0012",
        "http://www.vupen.com/english/advisories/2011/0124",
        "http://www.vupen.com/english/advisories/2011/0298",
        "https://bugzilla.redhat.com/show_bug.cgi?id=652508",
        "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=7a1abd08d52fdeddb3e9a5a33f2f15cc6a5674d2",
        "http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00000.html"
    ]
}