{
    "id": "CVE-2008-4210",
    "published": "2008-09-29 17:17:29",
    "last_modified": "2026-06-16 22:57:23",
    "cvss_score": "4.6",
    "cvss_severity": "MEDIUM",
    "cvss_version": "2.0",
    "cvss_vector": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
    "cwe": "CWE-264",
    "description": "fs/open.c in the Linux kernel before 2.6.22 does not properly strip setuid and setgid bits when there is a write to a file, which allows local users to gain the privileges of a different group, and obtain sensitive information or possibly have unspecified other impact, by creating an executable file in a setgid directory through the (1) truncate or (2) ftruncate function in conjunction with memory-mapped I/O.",
    "epss_score": "0.02141",
    "epss_percentile": "0.81473",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-10-07 18:17:07",
    "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": "6851",
            "title": "Linux Kernel < 2.6.22 - 'ftruncate()'/'open()' Local Privilege Escalation",
            "date": "2008-10-27",
            "url": "https://www.exploit-db.com/exploits/6851"
        }
    ],
    "refs_list": [
        "http://bugzilla.kernel.org/show_bug.cgi?id=8420",
        "http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.26.y.git%3Ba=commit%3Bh=7b82dc0e64e93f430182f36b46b79fcee87d3532",
        "http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.22",
        "http://lists.opensuse.org/opensuse-security-announce/2008-10/msg00007.html",
        "http://lists.opensuse.org/opensuse-security-announce/2008-11/msg00001.html",
        "http://lists.opensuse.org/opensuse-security-announce/2008-12/msg00000.html",
        "http://lists.opensuse.org/opensuse-security-announce/2008-12/msg00001.html",
        "http://rhn.redhat.com/errata/RHSA-2008-0972.html",
        "http://secunia.com/advisories/32237",
        "http://secunia.com/advisories/32344",
        "http://secunia.com/advisories/32356",
        "http://secunia.com/advisories/32485",
        "http://secunia.com/advisories/32759",
        "http://secunia.com/advisories/32799",
        "http://secunia.com/advisories/32918",
        "http://secunia.com/advisories/33201",
        "http://secunia.com/advisories/33280",
        "http://www.debian.org/security/2008/dsa-1653",
        "http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.22",
        "http://www.mandriva.com/security/advisories?name=MDVSA-2008:220",
        "http://www.openwall.com/lists/oss-security/2008/09/24/5",
        "http://www.openwall.com/lists/oss-security/2008/09/24/8",
        "http://www.redhat.com/support/errata/RHSA-2008-0787.html",
        "http://www.redhat.com/support/errata/RHSA-2008-0957.html",
        "http://www.redhat.com/support/errata/RHSA-2008-0973.html"
    ]
}