{
  "id": "CVE-2013-2094",
  "url": "https://spydr.io/cve/CVE-2013-2094",
  "published": "2013-05-14T20:55:01.527Z",
  "modified": "2026-06-16T23:52:44.150Z",
  "score": 8.4,
  "severity": "high",
  "cvss_version": "3.1",
  "vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
  "score_source": "CISA ADP",
  "epss": 0.47709,
  "epss_percentile": 0.98821,
  "exploited": true,
  "kev": {
    "added": "2022-09-15",
    "due": "2022-10-06",
    "action": "Apply updates per vendor instructions.",
    "ransomware": "Unknown",
    "name": "Linux Kernel Privilege Escalation Vulnerability",
    "notes": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8176cced706b5e5d15887584150764894e94e02f; https://nvd.nist.gov/vuln/detail/CVE-2013-2094"
  },
  "ssvc_exploitation": "active",
  "vendors": [
    "linux"
  ],
  "products": [
    "linux kernel"
  ],
  "cwes": [
    "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.",
  "status": "Analyzed",
  "score_type": "Secondary",
  "scores": {
    "cvss_v40": null,
    "cvss_v31": 8.4,
    "cvss_v30": null
  },
  "references": [
    {
      "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=8176cced706b5e5d15887584150764894e94e02f",
      "tags": [
        "Not Applicable"
      ]
    },
    {
      "url": "http://lists.centos.org/pipermail/centos-announce/2013-May/019729.html",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "http://lists.centos.org/pipermail/centos-announce/2013-May/019733.html",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00008.html",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00018.html",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00009.html",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00017.html",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "http://lkml.indiana.edu/hypermail/linux/kernel/1304.1/03652.html",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "http://lkml.indiana.edu/hypermail/linux/kernel/1304.1/03976.html",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "http://lkml.indiana.edu/hypermail/linux/kernel/1304.1/04302.html",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://news.ycombinator.com/item?id=5703758",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://packetstormsecurity.com/files/121616/semtex.c",
      "tags": [
        "Exploit",
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "http://rhn.redhat.com/errata/RHSA-2013-0830.html",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://twitter.com/djrbliss/statuses/334301992648331267",
      "tags": [
        "Patch"
      ]
    },
    {
      "url": "http://www.exploit-db.com/exploits/33589",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.9",
      "tags": [
        "Not Applicable"
      ]
    },
    {
      "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2013:176",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2013/05/14/6",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://www.osvdb.org/93361",
      "tags": [
        "Broken Link"
      ]
    },
    {
      "url": "http://www.reddit.com/r/netsec/comments/1eb9iw",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://www.ubuntu.com/usn/USN-1825-1",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://www.ubuntu.com/usn/USN-1826-1",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://www.ubuntu.com/usn/USN-1827-1",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://www.ubuntu.com/usn/USN-1828-1",
      "tags": [
        "Third Party Advisory"
      ]
    }
  ],
  "nvd_url": "https://nvd.nist.gov/vuln/detail/CVE-2013-2094",
  "covered_in": [],
  "attribution": [
    {
      "source": "NVD",
      "url": "https://nvd.nist.gov",
      "notice": "This product uses data from the NVD API but is not endorsed or certified by the NVD."
    },
    {
      "source": "CISA KEV",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "notice": "Known exploited vulnerabilities from the CISA KEV catalog."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss",
      "notice": "Exploit prediction scores from FIRST EPSS."
    }
  ]
}