FKIE_CVE-2018-19407

Vulnerability from fkie_nvd - Published: 2018-11-21 00:29 - Updated: 2024-11-21 03:57
Summary
The vcpu_scan_ioapic function in arch/x86/kvm/x86.c in the Linux kernel through 4.19.2 allows local users to cause a denial of service (NULL pointer dereference and BUG) via crafted system calls that reach a situation where ioapic is uninitialized.
References
cve@mitre.orghttp://www.securityfocus.com/bid/105987Third Party Advisory, VDB Entry
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2019/03/msg00017.html
cve@mitre.orghttps://lkml.org/lkml/2018/11/20/580Patch, Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/3871-1/Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/3871-3/Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/3871-4/Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/3871-5/Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/3872-1/Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/3878-1/Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/3878-2/Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/3879-1/Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/3879-2/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/105987Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html
af854a3a-2127-422b-91ae-364da2661108https://lkml.org/lkml/2018/11/20/580Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3871-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3871-3/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3871-4/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3871-5/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3872-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3878-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3878-2/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3879-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3879-2/Third Party Advisory
Impacted products

{
  "configurations": [
    {
      "nodes": [
        {
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              "matchCriteriaId": "C5725BBC-460F-486B-A70D-CC5774B6A66C",
              "versionEndIncluding": "4.19.2",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*",
              "matchCriteriaId": "B5A6F2F3-4894-4392-8296-3B8DD2679084",
              "vulnerable": true
            },
            {
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              "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:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*",
              "matchCriteriaId": "07C312A0-CD2C-4B9C-B064-6409B25C278F",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The vcpu_scan_ioapic function in arch/x86/kvm/x86.c in the Linux kernel through 4.19.2 allows local users to cause a denial of service (NULL pointer dereference and BUG) via crafted system calls that reach a situation where ioapic is uninitialized."
    },
    {
      "lang": "es",
      "value": "La funci\u00f3n vcpu_scan_ioapic en arch/x86/kvm/x86.c en el kernel de Linux hasta la versi\u00f3n 4.19.2 permite que usuarios locales provoquen una denegaci\u00f3n de servicio (desreferencia de puntero NULLy error) mediante llamadas del sistema manipuladas que alcanzan una situaci\u00f3n donde ioapic no est\u00e1 inicializado."
    }
  ],
  "id": "CVE-2018-19407",
  "lastModified": "2024-11-21T03:57:51.883",
  "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": [
      {
        "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"
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        "source": "nvd@nist.gov",
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  "published": "2018-11-21T00:29:01.513",
  "references": [
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      "source": "cve@mitre.org",
      "tags": [
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  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-476"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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Sightings

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  • 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.
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