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FKIE_CVE-2018-20961

Vulnerability from fkie_nvd - Published: 2019-08-07 15:15 - Updated: 2026-06-17 01:53
Severity
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
In the Linux kernel before 4.16.4, a double free vulnerability in the f_midi_set_alt function of drivers/usb/gadget/function/f_midi.c in the f_midi driver may allow attackers to cause a denial of service or possibly have unspecified other impact.
References
cve@mitre.orghttp://packetstormsecurity.com/files/154228/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.htmlThird Party Advisory, VDB Entry
cve@mitre.orghttp://packetstormsecurity.com/files/154951/Kernel-Live-Patch-Security-Notice-LSN-0058-1.htmlThird Party Advisory, VDB Entry
cve@mitre.orghttps://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.16.4Release Notes, Vendor Advisory
cve@mitre.orghttps://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=7fafcfdf6377b18b2a726ea554d6e593ba44349fExploit, Mailing List, Vendor Advisory
cve@mitre.orghttps://github.com/torvalds/linux/commit/7fafcfdf6377b18b2a726ea554d6e593ba44349fPatch, Third Party Advisory
cve@mitre.orghttps://seclists.org/bugtraq/2019/Aug/48Mailing List, Third Party Advisory
cve@mitre.orghttps://security.netapp.com/advisory/ntap-20190905-0002/Third Party Advisory
cve@mitre.orghttps://support.f5.com/csp/article/K58502654Third Party Advisory
cve@mitre.orghttps://support.f5.com/csp/article/K58502654?utm_source=f5support&amp%3Butm_medium=RSS
cve@mitre.orghttps://usn.ubuntu.com/4145-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/154228/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.htmlThird Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/154951/Kernel-Live-Patch-Security-Notice-LSN-0058-1.htmlThird Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.16.4Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=7fafcfdf6377b18b2a726ea554d6e593ba44349fExploit, Mailing List, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/torvalds/linux/commit/7fafcfdf6377b18b2a726ea554d6e593ba44349fPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://seclists.org/bugtraq/2019/Aug/48Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20190905-0002/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://support.f5.com/csp/article/K58502654Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://support.f5.com/csp/article/K58502654?utm_source=f5support&amp%3Butm_medium=RSS
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/4145-1/Third Party Advisory
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "B4959A27-4B2B-4E3B-BCD0-3FCD1D8C01BC",
              "versionEndExcluding": "4.4.190",
              "versionStartIncluding": "4.4",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "B53B1E59-4500-4053-B7B7-FEF7DA398159",
              "versionEndExcluding": "4.9.96",
              "versionStartIncluding": "4.5",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "3DE6B7F5-D741-4FC4-BA49-744A448BFDEE",
              "versionEndExcluding": "4.14.36",
              "versionStartIncluding": "4.10",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "DFDF4D5A-6D0D-4548-9DB8-B799D018C6E2",
              "versionEndExcluding": "4.16.4",
              "versionStartIncluding": "4.15.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel before 4.16.4, a double free vulnerability in the f_midi_set_alt function of drivers/usb/gadget/function/f_midi.c in the f_midi driver may allow attackers to cause a denial of service or possibly have unspecified other impact."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux anterior a versi\u00f3n 4.16.4, una vulnerabilidad de doble liberaci\u00f3n en la funci\u00f3n f_midi_set_alt en el archivo drivers/usb/gadget/function/f_midi.c en el controlador f_midi puede permitir a los atacantes causar una denegaci\u00f3n de servicio o posiblemente tener otro impacto no especificado."
    }
  ],
  "id": "CVE-2018-20961",
  "lastModified": "2026-06-17T01:53:49.820",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 10.0,
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "COMPLETE",
          "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 10.0,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2019-08-07T15:15:11.970",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://packetstormsecurity.com/files/154228/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
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        "VDB Entry"
      ],
      "url": "http://packetstormsecurity.com/files/154951/Kernel-Live-Patch-Security-Notice-LSN-0058-1.html"
    },
    {
      "source": "cve@mitre.org",
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        "Release Notes",
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    },
    {
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    },
    {
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    },
    {
      "source": "cve@mitre.org",
      "tags": [
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        "Third Party Advisory"
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    },
    {
      "source": "cve@mitre.org",
      "tags": [
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      "url": "https://security.netapp.com/advisory/ntap-20190905-0002/"
    },
    {
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      ],
      "url": "https://support.f5.com/csp/article/K58502654"
    },
    {
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      "url": "https://support.f5.com/csp/article/K58502654?utm_source=f5support\u0026amp%3Butm_medium=RSS"
    },
    {
      "source": "cve@mitre.org",
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      "url": "https://usn.ubuntu.com/4145-1/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
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    },
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    },
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  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
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      "description": [
        {
          "lang": "en",
          "value": "CWE-415"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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Tags
Taxonomy of the tags.





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.