CVE-2019-14284 (GCVE-0-2019-14284)

Vulnerability from cvelistv5 – Published: 2019-07-26 12:25 – Updated: 2024-08-05 00:12
VLAI
Summary
In the Linux kernel before 5.2.3, drivers/block/floppy.c allows a denial of service by setup_format_params division-by-zero. Two consecutive ioctls can trigger the bug: the first one should set the drive geometry with .sect and .rate values that make F_SECT_PER_TRACK be zero. Next, the floppy format operation should be called. It can be triggered by an unprivileged local user even when a floppy disk has not been inserted. NOTE: QEMU creates the floppy device by default.
Severity
6.2 (Medium)
CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • n/a
Assigner
mitre CNA under the mitre root
CNA scorecard E 28/100 over 2350 records in the last 180 days details
References
URL Tags
https://cdn.kernel.org/pub/linux/kernel/v5.x/Chan… x_refsource_MISC
https://github.com/torvalds/linux/commit/f3554aeb… x_refsource_MISC
https://git.kernel.org/cgit/linux/kernel/git/torv… x_refsource_MISC
https://www.debian.org/security/2019/dsa-4495 vendor-advisoryx_refsource_DEBIAN
https://seclists.org/bugtraq/2019/Aug/13 mailing-listx_refsource_BUGTRAQ
https://seclists.org/bugtraq/2019/Aug/18 mailing-listx_refsource_BUGTRAQ
https://www.debian.org/security/2019/dsa-4497 vendor-advisoryx_refsource_DEBIAN
https://lists.debian.org/debian-lts-announce/2019… mailing-listx_refsource_MLIST
https://seclists.org/bugtraq/2019/Aug/26 mailing-listx_refsource_BUGTRAQ
https://lists.debian.org/debian-lts-announce/2019… mailing-listx_refsource_MLIST
http://packetstormsecurity.com/files/154059/Slack… x_refsource_MISC
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
https://usn.ubuntu.com/4117-1/ vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/4114-1/ vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/4115-1/ vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/4116-1/ vendor-advisoryx_refsource_UBUNTU
https://usn.ubuntu.com/4118-1/ vendor-advisoryx_refsource_UBUNTU
https://security.netapp.com/advisory/ntap-2019090… x_refsource_CONFIRM
http://packetstormsecurity.com/files/154408/Kerne… x_refsource_MISC
http://packetstormsecurity.com/files/154951/Kerne… x_refsource_MISC
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        "id": "CVE-2019-14284",
        "lastModified": "2024-11-21T04:26:22.260",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "LOW",
              "cvssData": {
                "accessComplexity": "LOW",
                "accessVector": "LOCAL",
                "authentication": "NONE",
                "availabilityImpact": "PARTIAL",
                "baseScore": 2.1,
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P",
                "version": "2.0"
              },
              "exploitabilityScore": 3.9,
              "impactScore": 2.9,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": false
            }
          ],
          "cvssMetricV30": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 6.2,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                "version": "3.0"
              },
              "exploitabilityScore": 2.5,
              "impactScore": 3.6,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ]
        },
        "published": "2019-07-26T13:15:13.113",
        "references": [
          {
            "source": "cve@mitre.org",
            "url": "http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00055.html"
          },
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          {
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            "url": "http://packetstormsecurity.com/files/154059/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html"
          },
          {
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            "url": "http://packetstormsecurity.com/files/154408/Kernel-Live-Patch-Security-Notice-LSN-0055-1.html"
          },
          {
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          },
          {
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          },
          {
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          },
          {
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          },
          {
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            "url": "https://security.netapp.com/advisory/ntap-20190905-0002/"
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          {
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          },
          {
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            "url": "https://www.debian.org/security/2019/dsa-4495"
          },
          {
            "source": "cve@mitre.org",
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          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00055.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
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          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
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          },
          {
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            "url": "https://www.debian.org/security/2019/dsa-4497"
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        ],
        "sourceIdentifier": "cve@mitre.org",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-369"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-28T11:48:40+00:00",
      "cve": "CVE-2019-14284",
      "id": "CVE-2019-14284",
      "initial_release_date": "2019-07-26T00:00:00+00:00",
      "product_status:known_affected": "56",
      "product_status:known_not_affected": "48",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: denial of service in drivers/block/floppy.c by setup_format_params division-by-zero",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2019/cve-2019-14284.json",
      "version": "3"
    }
  }
}



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