FKIE_CVE-2018-6555

Vulnerability from fkie_nvd - Published: 2018-09-04 18:29 - Updated: 2026-06-17 02:02
Summary
The irda_setsockopt function in net/irda/af_irda.c and later in drivers/staging/irda/net/af_irda.c in the Linux kernel before 4.17 allows local users to cause a denial of service (ias_object use-after-free and system crash) or possibly have unspecified other impact via an AF_IRDA socket.
References
security@ubuntu.comhttp://www.securityfocus.com/bid/105304Third Party Advisory, VDB Entry
security@ubuntu.comhttps://lists.debian.org/debian-lts-announce/2018/10/msg00003.htmlThird Party Advisory
security@ubuntu.comhttps://usn.ubuntu.com/3775-1/Third Party Advisory
security@ubuntu.comhttps://usn.ubuntu.com/3775-2/Third Party Advisory
security@ubuntu.comhttps://usn.ubuntu.com/3776-1/Third Party Advisory
security@ubuntu.comhttps://usn.ubuntu.com/3776-2/Third Party Advisory
security@ubuntu.comhttps://usn.ubuntu.com/3777-1/Third Party Advisory
security@ubuntu.comhttps://usn.ubuntu.com/3777-2/Third Party Advisory
security@ubuntu.comhttps://usn.ubuntu.com/3777-3/Third Party Advisory
security@ubuntu.comhttps://www.debian.org/security/2018/dsa-4308Third Party Advisory
security@ubuntu.comhttps://www.spinics.net/lists/stable/msg255031.htmlPatch, Third Party Advisory
security@ubuntu.comhttps://www.spinics.net/lists/stable/msg255035.htmlPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/105304Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2018/10/msg00003.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3775-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3775-2/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3776-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3776-2/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3777-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3777-2/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3777-3/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2018/dsa-4308Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.spinics.net/lists/stable/msg255031.htmlPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.spinics.net/lists/stable/msg255035.htmlPatch, Third Party Advisory

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Linux Kernel",
          "vendor": "Linux Kernel",
          "versions": [
            {
              "status": "affected",
              "version": "before 4.17"
            }
          ]
        }
      ],
      "source": "security@ubuntu.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "0667D0B1-8AC7-46D8-BB4B-68157115D405",
              "versionEndExcluding": "4.17",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
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              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*",
              "matchCriteriaId": "B5A6F2F3-4894-4392-8296-3B8DD2679084",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*",
              "matchCriteriaId": "F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*",
              "matchCriteriaId": "23A7C53F-B80F-4E6A-AFA9-58EEA84BE11D",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The irda_setsockopt function in net/irda/af_irda.c and later in drivers/staging/irda/net/af_irda.c in the Linux kernel before 4.17 allows local users to cause a denial of service (ias_object use-after-free and system crash) or possibly have unspecified other impact via an AF_IRDA socket."
    },
    {
      "lang": "es",
      "value": "La funci\u00f3n irda_setsockopt en net/irda/af_irda.c y siguientes en drivers/staging/irda/net/af_irda.c en el kernel de Linux en versiones anteriores a la 4.17 permite que usuarios locales provoquen una denegaci\u00f3n de servicio (uso de memoria previamente liberada en ias_object y cierre inesperado del sistema) o cualquier otro tipo de impacto sin especificar mediante un socket AF_IRDA."
    }
  ],
  "id": "CVE-2018-6555",
  "lastModified": "2026-06-17T02:02:01.070",
  "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": "2018-09-04T18:29:00.470",
  "references": [
    {
      "source": "security@ubuntu.com",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/bid/105304"
    },
    {
      "source": "security@ubuntu.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://lists.debian.org/debian-lts-announce/2018/10/msg00003.html"
    },
    {
      "source": "security@ubuntu.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://usn.ubuntu.com/3775-1/"
    },
    {
      "source": "security@ubuntu.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://usn.ubuntu.com/3775-2/"
    },
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      "source": "security@ubuntu.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://usn.ubuntu.com/3776-1/"
    },
    {
      "source": "security@ubuntu.com",
      "tags": [
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      "url": "https://usn.ubuntu.com/3776-2/"
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      "tags": [
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      "url": "https://usn.ubuntu.com/3777-1/"
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      "url": "https://usn.ubuntu.com/3777-2/"
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    {
      "source": "security@ubuntu.com",
      "tags": [
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      ],
      "url": "https://usn.ubuntu.com/3777-3/"
    },
    {
      "source": "security@ubuntu.com",
      "tags": [
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      "url": "https://www.debian.org/security/2018/dsa-4308"
    },
    {
      "source": "security@ubuntu.com",
      "tags": [
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      "url": "https://www.spinics.net/lists/stable/msg255031.html"
    },
    {
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    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
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      "url": "http://www.securityfocus.com/bid/105304"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      ],
      "url": "https://lists.debian.org/debian-lts-announce/2018/10/msg00003.html"
    },
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    },
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  "sourceIdentifier": "security@ubuntu.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ],
      "source": "security@ubuntu.com",
      "type": "Secondary"
    },
    {
      "description": [
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          "lang": "en",
          "value": "CWE-416"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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