FKIE_CVE-2018-16658

Vulnerability from fkie_nvd - Published: 2018-09-07 14:29 - Updated: 2026-06-17 01:44
Summary
An issue was discovered in the Linux kernel before 4.18.6. An information leak in cdrom_ioctl_drive_status in drivers/cdrom/cdrom.c could be used by local attackers to read kernel memory because a cast from unsigned long to int interferes with bounds checking. This is similar to CVE-2018-10940.
References
cve@mitre.orghttp://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8f3fafc9c2f0ece10832c25f7ffcb07c97a32ad4Mailing List, Patch, Third Party Advisory
cve@mitre.orghttp://www.securityfocus.com/bid/105334Third Party Advisory, VDB Entry
cve@mitre.orghttps://access.redhat.com/errata/RHSA-2019:2029
cve@mitre.orghttps://access.redhat.com/errata/RHSA-2019:2043
cve@mitre.orghttps://access.redhat.com/errata/RHSA-2019:4154
cve@mitre.orghttps://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.18.6Release Notes, Technical Description
cve@mitre.orghttps://github.com/torvalds/linux/commit/8f3fafc9c2f0ece10832c25f7ffcb07c97a32ad4Patch
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2018/10/msg00003.htmlMailing List, Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/3797-1/Mitigation, Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/3797-2/Mitigation, Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/3820-1/Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/3820-2/Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/3820-3/Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/3822-1/Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/3822-2/Third Party Advisory
cve@mitre.orghttps://www.debian.org/security/2018/dsa-4308Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8f3fafc9c2f0ece10832c25f7ffcb07c97a32ad4Mailing List, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/105334Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2019:2029
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2019:2043
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2019:4154
af854a3a-2127-422b-91ae-364da2661108https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.18.6Release Notes, Technical Description
af854a3a-2127-422b-91ae-364da2661108https://github.com/torvalds/linux/commit/8f3fafc9c2f0ece10832c25f7ffcb07c97a32ad4Patch
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2018/10/msg00003.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3797-1/Mitigation, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3797-2/Mitigation, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3820-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3820-2/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3820-3/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3822-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3822-2/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2018/dsa-4308Third Party Advisory

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
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              "matchCriteriaId": "C4256A5D-D418-4CB8-AEA8-D3DD12E96CA6",
              "versionEndExcluding": "4.18.6",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
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              "vulnerable": true
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              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
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      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered in the Linux kernel before 4.18.6. An information leak in cdrom_ioctl_drive_status in drivers/cdrom/cdrom.c could be used by local attackers to read kernel memory because a cast from unsigned long to int interferes with bounds checking. This is similar to CVE-2018-10940."
    },
    {
      "lang": "es",
      "value": "Se ha descubierto un problema en el kernel de Linux hasta antes de la versi\u00f3n 4.18.6. Una fuga de informaci\u00f3n en cdrom_ioctl_drive_status en drivers/cdrom/cdrom.c podr\u00eda ser empleada por atacantes locales para leer memoria del kernel debido a que una conversi\u00f3n de un long no firmado a int interfiere con la comprobaci\u00f3n de l\u00edmites. Esto es similar a CVE-2018-10940."
    }
  ],
  "id": "CVE-2018-16658",
  "lastModified": "2026-06-17T01:44:37.993",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "LOW",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 3.6,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 4.9,
        "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": 6.1,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H",
          "version": "3.0"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 4.2,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2018-09-07T14:29:03.523",
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    {
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      "url": "https://access.redhat.com/errata/RHSA-2019:2043"
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    {
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      "url": "https://access.redhat.com/errata/RHSA-2019:4154"
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    {
      "source": "cve@mitre.org",
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    {
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  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
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          "lang": "en",
          "value": "CWE-200"
        }
      ],
      "source": "nvd@nist.gov",
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  ]
}



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