FKIE_CVE-2018-7754

Vulnerability from fkie_nvd - Published: 2018-08-10 16:29 - Updated: 2026-06-17 02:03
Severity
5.5 (Medium) - CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Summary
The aoedisk_debugfs_show function in drivers/block/aoe/aoeblk.c in the Linux kernel through 4.16.4rc4 allows local users to obtain sensitive address information by reading "ffree: " lines in a debugfs file.
References
cve@mitre.orghttps://elixir.bootlin.com/linux/v4.16-rc4/source/drivers/block/aoe/aoeblk.c#L421Third Party Advisory
cve@mitre.orghttps://github.com/johnsonwangqize/cve-linux/blob/master/CVE-2018-7754.mdThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://elixir.bootlin.com/linux/v4.16-rc4/source/drivers/block/aoe/aoeblk.c#L421Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/johnsonwangqize/cve-linux/blob/master/CVE-2018-7754.mdThird Party Advisory
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel 4.16
linux linux_kernel 4.16
linux linux_kernel 4.16
linux linux_kernel 4.16
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": "EF0EDA1F-A5F9-4FB0-BE14-900054FAB86C",
              "versionEndIncluding": "4.15",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:4.16:rc1:*:*:*:*:*:*",
              "matchCriteriaId": "C7161042-96AB-4B27-85D1-284F7F975B07",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:4.16:rc2:*:*:*:*:*:*",
              "matchCriteriaId": "023AC641-A30A-4814-8EEE-E8290134B8E0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:4.16:rc3:*:*:*:*:*:*",
              "matchCriteriaId": "9B70E4A9-D27F-4318-85DF-30CE6E86194B",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:4.16:rc4:*:*:*:*:*:*",
              "matchCriteriaId": "5E280740-2FD3-459D-AF37-624DC6171F8D",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The aoedisk_debugfs_show function in drivers/block/aoe/aoeblk.c in the Linux kernel through 4.16.4rc4 allows local users to obtain sensitive address information by reading \"ffree: \" lines in a debugfs file."
    },
    {
      "lang": "es",
      "value": "La funci\u00f3n aoedisk_debugfs_show en drivers/block/aoe/aoeblk.c en el kernel de Linux hasta la versi\u00f3n 4.16.4rc4 permite que usuarios locales obtengan informaci\u00f3n sensible de direcciones mediante la lectura de l\u00edneas \"ffree: \" en un archivo debugfs."
    }
  ],
  "id": "CVE-2018-7754",
  "lastModified": "2026-06-17T02:03:39.413",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": true,
        "baseSeverity": "LOW",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 2.1,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N",
          "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": "NONE",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.0"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2018-08-10T16:29:00.733",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://elixir.bootlin.com/linux/v4.16-rc4/source/drivers/block/aoe/aoeblk.c#L421"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://github.com/johnsonwangqize/cve-linux/blob/master/CVE-2018-7754.md"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://elixir.bootlin.com/linux/v4.16-rc4/source/drivers/block/aoe/aoeblk.c#L421"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://github.com/johnsonwangqize/cve-linux/blob/master/CVE-2018-7754.md"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-532"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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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

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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.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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