{
    "id": "CVE-2009-3547",
    "published": "2009-11-04 15:30:00",
    "last_modified": "2026-06-16 23:11:49",
    "cvss_score": "7.0",
    "cvss_severity": "HIGH",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
    "cwe": "CWE-362",
    "description": "Multiple race conditions in fs/pipe.c in the Linux kernel before 2.6.32-rc6 allow local users to cause a denial of service (NULL pointer dereference and system crash) or gain privileges by attempting to open an anonymous pipe via a /proc/*/fd/ pathname.",
    "epss_score": "0.04890",
    "epss_percentile": "0.91834",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-10-06 18:17:07",
    "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": "novell",
            "product": "linux_desktop"
        },
        {
            "vendor": "opensuse",
            "product": "opensuse"
        },
        {
            "vendor": "redhat",
            "product": "enterprise_linux_desktop"
        },
        {
            "vendor": "redhat",
            "product": "enterprise_linux_eus"
        },
        {
            "vendor": "redhat",
            "product": "enterprise_linux_server"
        },
        {
            "vendor": "redhat",
            "product": "enterprise_linux_workstation"
        },
        {
            "vendor": "redhat",
            "product": "mrg_realtime"
        },
        {
            "vendor": "suse",
            "product": "suse_linux_enterprise_desktop"
        },
        {
            "vendor": "suse",
            "product": "suse_linux_enterprise_server"
        },
        {
            "vendor": "vmware",
            "product": "esx"
        },
        {
            "vendor": "vmware",
            "product": "vma"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "40812",
            "title": "Linux Kernel 2.6.10 < 2.6.31.5 - 'pipe.c' Local Privilege Escalation",
            "date": "2013-12-16",
            "url": "https://www.exploit-db.com/exploits/40812"
        },
        {
            "source": "exploit-db",
            "ref_id": "10018",
            "title": "Linux Kernel 2.6.32 - 'pipe.c' Local Privilege Escalation (4)",
            "date": "2009-11-12",
            "url": "https://www.exploit-db.com/exploits/10018"
        },
        {
            "source": "exploit-db",
            "ref_id": "9844",
            "title": "Linux Kernel 2.4.1 < 2.4.37 / 2.6.1 < 2.6.32-rc5 - 'pipe.c' Local Privilege Escalation (3)",
            "date": "2009-11-05",
            "url": "https://www.exploit-db.com/exploits/9844"
        },
        {
            "source": "exploit-db",
            "ref_id": "33321",
            "title": "Linux Kernel 2.6.0 < 2.6.31 - 'pipe.c' Local Privilege Escalation (1)",
            "date": "2009-11-03",
            "url": "https://www.exploit-db.com/exploits/33321"
        },
        {
            "source": "exploit-db",
            "ref_id": "33322",
            "title": "Linux Kernel 2.6.x - 'pipe.c' Local Privilege Escalation (2)",
            "date": "2009-11-03",
            "url": "https://www.exploit-db.com/exploits/33322"
        }
    ],
    "refs_list": [
        "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=ad3960243e55320d74195fb85c975e0a8cc4466c",
        "http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00005.html",
        "http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00007.html",
        "http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00000.html",
        "http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00005.html",
        "http://lists.vmware.com/pipermail/security-announce/2010/000082.html",
        "http://lkml.org/lkml/2009/10/14/184",
        "http://lkml.org/lkml/2009/10/21/42",
        "http://marc.info/?l=oss-security&m=125724568017045&w=2",
        "http://secunia.com/advisories/37351",
        "http://secunia.com/advisories/38017",
        "http://secunia.com/advisories/38794",
        "http://secunia.com/advisories/38834",
        "http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.32-rc6",
        "http://www.mandriva.com/security/advisories?name=MDVSA-2009:329",
        "http://www.redhat.com/support/errata/RHSA-2009-1672.html",
        "http://www.securityfocus.com/archive/1/512019/100/0/threaded",
        "http://www.securityfocus.com/bid/36901",
        "http://www.ubuntu.com/usn/usn-864-1",
        "http://www.vupen.com/english/advisories/2010/0528",
        "https://bugzilla.redhat.com/show_bug.cgi?id=530490",
        "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11513",
        "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7608",
        "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9327",
        "https://rhn.redhat.com/errata/RHSA-2009-1540.html"
    ]
}