{
    "id": "CVE-2013-2094",
    "published": "2013-05-14 20:55:01",
    "last_modified": "2026-06-16 23:52:44",
    "cvss_score": "8.4",
    "cvss_severity": "HIGH",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
    "cwe": "CWE-189",
    "description": "The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9 uses an incorrect integer data type, which allows local users to gain privileges via a crafted perf_event_open system call.",
    "epss_score": "0.47709",
    "epss_percentile": "0.98809",
    "kev": 1,
    "kev_due": "2022-10-06",
    "has_exploit": 1,
    "updated_at": "2026-09-26 18:18:52",
    "priority": {
        "rank": 1,
        "label": "Patch first",
        "why": "On CISA KEV — known exploited in the wild, due 2022-10-06."
    },
    "products": [
        {
            "vendor": "linux",
            "product": "linux_kernel"
        }
    ],
    "kev_detail": {
        "cve_id": "CVE-2013-2094",
        "date_added": "2022-09-15",
        "due_date": "2022-10-06",
        "vendor": "Linux",
        "product": "Kernel",
        "name": "Linux Kernel Privilege Escalation Vulnerability",
        "ransomware": 0
    },
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "33589",
            "title": "Linux Kernel 3.2.0-23/3.5.0-23 (Ubuntu 12.04/12.04.1/12.04.2 x64) - 'perf_swevent_init' Local Privilege Escalation (3)",
            "date": "2014-05-31",
            "url": "https://www.exploit-db.com/exploits/33589"
        },
        {
            "source": "exploit-db",
            "ref_id": "26131",
            "title": "Linux Kernel < 3.8.9 (x86-64) - 'perf_swevent_init' Local Privilege Escalation (2)",
            "date": "2013-06-11",
            "url": "https://www.exploit-db.com/exploits/26131"
        },
        {
            "source": "exploit-db",
            "ref_id": "25444",
            "title": "Linux Kernel 2.6.32 < 3.x (CentOS 5/6) - 'PERF_EVENTS' Local Privilege Escalation (1)",
            "date": "2013-05-14",
            "url": "https://www.exploit-db.com/exploits/25444"
        }
    ],
    "refs_list": [
        "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=8176cced706b5e5d15887584150764894e94e02f",
        "http://lists.centos.org/pipermail/centos-announce/2013-May/019729.html",
        "http://lists.centos.org/pipermail/centos-announce/2013-May/019733.html",
        "http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00008.html",
        "http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00018.html",
        "http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html",
        "http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00009.html",
        "http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00017.html",
        "http://lkml.indiana.edu/hypermail/linux/kernel/1304.1/03652.html",
        "http://lkml.indiana.edu/hypermail/linux/kernel/1304.1/03976.html",
        "http://lkml.indiana.edu/hypermail/linux/kernel/1304.1/04302.html",
        "http://news.ycombinator.com/item?id=5703758",
        "http://packetstormsecurity.com/files/121616/semtex.c",
        "http://rhn.redhat.com/errata/RHSA-2013-0830.html",
        "http://twitter.com/djrbliss/statuses/334301992648331267",
        "http://www.exploit-db.com/exploits/33589",
        "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.9",
        "http://www.mandriva.com/security/advisories?name=MDVSA-2013:176",
        "http://www.openwall.com/lists/oss-security/2013/05/14/6",
        "http://www.osvdb.org/93361",
        "http://www.reddit.com/r/netsec/comments/1eb9iw",
        "http://www.ubuntu.com/usn/USN-1825-1",
        "http://www.ubuntu.com/usn/USN-1826-1",
        "http://www.ubuntu.com/usn/USN-1827-1",
        "http://www.ubuntu.com/usn/USN-1828-1"
    ]
}