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FKIE_CVE-2018-6554

Vulnerability from fkie_nvd - Published: 2018-09-04 18:29 - Updated: 2026-06-17 02:02
Severity
5.5 (Medium) - CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
Memory leak in the irda_bind 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 (memory consumption) by repeatedly binding an AF_IRDA socket.
References
security@ubuntu.comhttp://www.securityfocus.com/bid/105302Third Party Advisory, VDB Entry
security@ubuntu.comhttps://lists.debian.org/debian-lts-announce/2018/10/msg00003.htmlThird Party Advisory
security@ubuntu.comhttps://lists.debian.org/debian-lts-announce/2019/03/msg00017.htmlMailing List, Third 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/msg255030.htmlPatch, Third Party Advisory
security@ubuntu.comhttps://www.spinics.net/lists/stable/msg255034.htmlPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/105302Third 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://lists.debian.org/debian-lts-announce/2019/03/msg00017.htmlMailing List, Third 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/msg255030.htmlPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.spinics.net/lists/stable/msg255034.htmlPatch, Third Party Advisory
Impacted products
Vendor Product Version
linux linux_kernel *
canonical ubuntu_linux 12.04
canonical ubuntu_linux 14.04
canonical ubuntu_linux 16.04
canonical ubuntu_linux 18.04
debian debian_linux 8.0
debian debian_linux 9.0
debian debian_linux 8.0
To clipboard 

{
  "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,
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        }
      ]
    },
    {
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Memory leak in the irda_bind 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 (memory consumption) by repeatedly binding an AF_IRDA socket."
    },
    {
      "lang": "es",
      "value": "Fuga de memoria en la funci\u00f3n irda_bind 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 (consumo de memoria) enlazando repetidamente un socket AF_IRDA."
    }
  ],
  "id": "CVE-2018-6554",
  "lastModified": "2026-06-17T02:02:00.913",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 4.9,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 6.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
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        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.0"
        },
        "exploitabilityScore": 1.8,
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        "source": "nvd@nist.gov",
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  },
  "published": "2018-09-04T18:29:00.343",
  "references": [
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      ],
      "source": "nvd@nist.gov",
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    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.