{
  "id": "CVE-2023-31085",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2023-04-24T06:15:08.093",
  "lastModified": "2023-05-02T14:11:02.420",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered in drivers/mtd/ubi/cdev.c in the Linux kernel 6.2. There is a divide-by-zero error in do_div(sz,mtd->erasesize), used indirectly by ctrl_cdev_ioctl, when mtd->erasesize is 0."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
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        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-369"
        }
      ]
    }
  ],
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      "nodes": [
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          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:linux:linux_kernel:6.2:*:*:*:*:*:*:*",
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  "references": [
    {
      "url": "https://lore.kernel.org/all/687864524.118195.1681799447034.JavaMail.zimbra@nod.at/",
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Mailing List",
        "Vendor Advisory"
      ]
    }
  ]
}