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FKIE_CVE-2016-4558

Vulnerability from fkie_nvd - Published: 2016-05-23 10:59 - Updated: 2026-06-17 00:47
Severity
7.0 (High) - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
The BPF subsystem in the Linux kernel before 4.5.5 mishandles reference counts, which allows local users to cause a denial of service (use-after-free) or possibly have unspecified other impact via a crafted application on (1) a system with more than 32 Gb of memory, related to the program reference count or (2) a 1 Tb system, related to the map reference count.
References
cve@mitre.orghttp://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=92117d8443bc5afacc8d5ba82e541946310f106eVendor Advisory
cve@mitre.orghttp://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.5Vendor Advisory
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2016/05/06/4Mailing List, Third Party Advisory
cve@mitre.orghttp://www.ubuntu.com/usn/USN-3005-1Third Party Advisory
cve@mitre.orghttp://www.ubuntu.com/usn/USN-3006-1Third Party Advisory
cve@mitre.orghttp://www.ubuntu.com/usn/USN-3007-1Third Party Advisory
cve@mitre.orghttps://bugzilla.redhat.com/show_bug.cgi?id=1334303Issue Tracking, Third Party Advisory
cve@mitre.orghttps://github.com/torvalds/linux/commit/92117d8443bc5afacc8d5ba82e541946310f106eVendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=92117d8443bc5afacc8d5ba82e541946310f106eVendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.5Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2016/05/06/4Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.ubuntu.com/usn/USN-3005-1Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.ubuntu.com/usn/USN-3006-1Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.ubuntu.com/usn/USN-3007-1Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=1334303Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/torvalds/linux/commit/92117d8443bc5afacc8d5ba82e541946310f106eVendor Advisory
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
canonical ubuntu_linux 14.04
canonical ubuntu_linux 16.04
To clipboard 

{
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    {
      "affectedData": [
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          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
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      ],
      "source": "cve@mitre.org"
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  ],
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The BPF subsystem in the Linux kernel before 4.5.5 mishandles reference counts, which allows local users to cause a denial of service (use-after-free) or possibly have unspecified other impact via a crafted application on (1) a system with more than 32 Gb of memory, related to the program reference count or (2) a 1 Tb system, related to the map reference count."
    },
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      "value": "El subsistema BPF en el kernel de Linux en versiones anteriores a 4.5.5 no maneja correctamente las cuentas de referencia, lo que permite a usuarios locales provocar una denegaci\u00f3n de servicio (uso despu\u00e9s de liberaci\u00f3n de memoria) o posiblemente tener otro impacto no especificado a trav\u00e9s de una aplicaci\u00f3n manipulada en (1) un sistema con m\u00e1s de 32 GB de memoria, relacionado con el programa de cuentas de referencia o (2) un sistema de 1 Tb, relacionado con el mapa de cuentas de referencia."
    }
  ],
  "evaluatorComment": "CWE-416: Use After Free",
  "id": "CVE-2016-4558",
  "lastModified": "2026-06-17T00:47:46.947",
  "metrics": {
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        "baseSeverity": "MEDIUM",
        "cvssData": {
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          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 6.9,
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "COMPLETE",
          "vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C",
          "version": "2.0"
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        "impactScore": 10.0,
        "obtainAllPrivilege": false,
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  "published": "2016-05-23T10:59:04.783",
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  ]
}



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