{
    "id": "CVE-2010-4258",
    "published": "2010-12-30 19:00:04",
    "last_modified": "2026-06-16 23:24:27",
    "cvss_score": "6.2",
    "cvss_severity": "MEDIUM",
    "cvss_version": "2.0",
    "cvss_vector": "AV:L/AC:H/Au:N/C:C/I:C/A:C",
    "cwe": "CWE-269",
    "description": "The do_exit function in kernel/exit.c in the Linux kernel before 2.6.36.2 does not properly handle a KERNEL_DS get_fs value, which allows local users to bypass intended access_ok restrictions, overwrite arbitrary kernel memory locations, and gain privileges by leveraging a (1) BUG, (2) NULL pointer dereference, or (3) page fault, as demonstrated by vectors involving the clear_child_tid feature and the splice system call.",
    "epss_score": "0.02655",
    "epss_percentile": "0.85191",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-10-06 18:17:08",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "fedoraproject",
            "product": "fedora"
        },
        {
            "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"
        },
        {
            "vendor": "suse",
            "product": "linux_enterprise_software_development_kit"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "15704",
            "title": "Linux Kernel 2.6.37 (RedHat / Ubuntu 10.04) - 'Full-Nelson.c' Local Privilege Escalation",
            "date": "2010-12-07",
            "url": "https://www.exploit-db.com/exploits/15704"
        }
    ],
    "refs_list": [
        "http://archives.neohapsis.com/archives/fulldisclosure/2010-12/0086.html",
        "http://blog.nelhage.com/2010/12/cve-2010-4258-from-dos-to-privesc/",
        "http://code.google.com/p/chromium-os/issues/detail?id=10234",
        "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=33dd94ae1ccbfb7bf0fb6c692bc3d1c4269e6177",
        "http://googlechromereleases.blogspot.com/2011/01/chrome-os-beta-channel-update.html",
        "http://lists.fedoraproject.org/pipermail/package-announce/2010-December/052513.html",
        "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/2011-01/msg00007.html",
        "http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html",
        "http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00002.html",
        "http://marc.info/?l=linux-kernel&m=129117048916957&w=2",
        "http://openwall.com/lists/oss-security/2010/12/02/2",
        "http://openwall.com/lists/oss-security/2010/12/02/3",
        "http://openwall.com/lists/oss-security/2010/12/02/4",
        "http://openwall.com/lists/oss-security/2010/12/02/7",
        "http://openwall.com/lists/oss-security/2010/12/08/4",
        "http://openwall.com/lists/oss-security/2010/12/08/5",
        "http://openwall.com/lists/oss-security/2010/12/08/9",
        "http://openwall.com/lists/oss-security/2010/12/09/14",
        "http://openwall.com/lists/oss-security/2010/12/09/4",
        "http://secunia.com/advisories/42745",
        "http://secunia.com/advisories/42778",
        "http://secunia.com/advisories/42801"
    ]
}