fkie_cve-2017-2647
Vulnerability from fkie_nvd
Published
2017-03-31 04:59
Modified
2024-11-21 03:23
Summary
The KEYS subsystem in the Linux kernel before 3.18 allows local users to gain privileges or cause a denial of service (NULL pointer dereference and system crash) via vectors involving a NULL value for a certain match field, related to the keyring_search_iterator function in keyring.c.
References
secalert@redhat.comhttp://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c06cfb08b88dfbe13be44a69ae2fdc3a7c902d81Issue Tracking, Patch, Third Party Advisory
secalert@redhat.comhttp://www.securityfocus.com/bid/97258Third Party Advisory, VDB Entry
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2017:1842
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2017:2077
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2017:2437
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2017:2444
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1428353Issue Tracking, Patch
secalert@redhat.comhttps://github.com/torvalds/linux/commit/c06cfb08b88dfbe13be44a69ae2fdc3a7c902d81Issue Tracking, Patch, Third Party Advisory
secalert@redhat.comhttps://usn.ubuntu.com/3849-1/
secalert@redhat.comhttps://usn.ubuntu.com/3849-2/
af854a3a-2127-422b-91ae-364da2661108http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c06cfb08b88dfbe13be44a69ae2fdc3a7c902d81Issue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/97258Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2017:1842
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2017:2077
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2017:2437
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2017:2444
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=1428353Issue Tracking, Patch
af854a3a-2127-422b-91ae-364da2661108https://github.com/torvalds/linux/commit/c06cfb08b88dfbe13be44a69ae2fdc3a7c902d81Issue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3849-1/
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3849-2/
Impacted products
Vendor Product Version
linux linux_kernel *



{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "D096AE24-5BB5-4ED2-8D2B-DC2AE8012E40",
              "versionEndIncluding": "3.17.8",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The KEYS subsystem in the Linux kernel before 3.18 allows local users to gain privileges or cause a denial of service (NULL pointer dereference and system crash) via vectors involving a NULL value for a certain match field, related to the keyring_search_iterator function in keyring.c."
    },
    {
      "lang": "es",
      "value": "El subsistema KEYS en el kernel de Linux en versiones anteriores a 3.18 permite a los usuarios locales obtener privilegios o provocar una denegaci\u00f3n de servicio (referencia a puntero NULL y bloqueo del sistema) a trav\u00e9s de vectores que implican un valor NULL para un cierto campo de coincidencia, relacionado con la funci\u00f3n keyring_search_iterator en keyring.c."
    }
  ],
  "id": "CVE-2017-2647",
  "lastModified": "2024-11-21T03:23:54.220",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 7.2,
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "COMPLETE",
          "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 10.0,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.0"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2017-03-31T04:59:00.157",
  "references": [
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Issue Tracking",
        "Patch",
        "Third Party Advisory"
      ],
      "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c06cfb08b88dfbe13be44a69ae2fdc3a7c902d81"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/bid/97258"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://access.redhat.com/errata/RHSA-2017:1842"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://access.redhat.com/errata/RHSA-2017:2077"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://access.redhat.com/errata/RHSA-2017:2437"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://access.redhat.com/errata/RHSA-2017:2444"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
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        "Patch"
      ],
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1428353"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Issue Tracking",
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/torvalds/linux/commit/c06cfb08b88dfbe13be44a69ae2fdc3a7c902d81"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://usn.ubuntu.com/3849-1/"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://usn.ubuntu.com/3849-2/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c06cfb08b88dfbe13be44a69ae2fdc3a7c902d81"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/bid/97258"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://access.redhat.com/errata/RHSA-2017:1842"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://access.redhat.com/errata/RHSA-2017:2077"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://access.redhat.com/errata/RHSA-2017:2437"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://access.redhat.com/errata/RHSA-2017:2444"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Issue Tracking",
        "Patch"
      ],
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1428353"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Issue Tracking",
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/torvalds/linux/commit/c06cfb08b88dfbe13be44a69ae2fdc3a7c902d81"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://usn.ubuntu.com/3849-1/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://usn.ubuntu.com/3849-2/"
    }
  ],
  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-476"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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