fkie_cve-2021-47478
Vulnerability from fkie_nvd
Published
2024-05-22 09:15
Modified
2025-04-02 15:09
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Summary
In the Linux kernel, the following vulnerability has been resolved: isofs: Fix out of bound access for corrupted isofs image When isofs image is suitably corrupted isofs_read_inode() can read data beyond the end of buffer. Sanity-check the directory entry length before using it.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/156ce5bb6cc43a80a743810199defb1dc3f55b7fPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6e80e9314f8bb52d9eabe1907698718ff01120f5Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/86d4aedcbc69c0f84551fb70f953c24e396de2d7Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9ec33a9b8790c212cc926a88c5e2105f97f3f57ePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/afbd40f425227e661d991757e11cc4db024e761fPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b0ddff8d68f2e43857a84dce54c3deab181c8ae1Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b2fa1f52d22c5455217b294629346ad23a744945Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e7fb722586a2936b37bdff096c095c30ca06404dPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e96a1866b40570b5950cda8602c2819189c62a48Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/156ce5bb6cc43a80a743810199defb1dc3f55b7fPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/6e80e9314f8bb52d9eabe1907698718ff01120f5Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/86d4aedcbc69c0f84551fb70f953c24e396de2d7Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/9ec33a9b8790c212cc926a88c5e2105f97f3f57ePatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/afbd40f425227e661d991757e11cc4db024e761fPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/b0ddff8d68f2e43857a84dce54c3deab181c8ae1Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/b2fa1f52d22c5455217b294629346ad23a744945Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/e7fb722586a2936b37bdff096c095c30ca06404dPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/e96a1866b40570b5950cda8602c2819189c62a48Patch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *


To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "E44D7B05-DE06-4714-AB39-F8242F1E49F2",
              "versionEndExcluding": "4.4.292",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "85D8337A-4EA1-4787-85EA-4BF4328A9436",
              "versionEndExcluding": "4.9.290",
              "versionStartIncluding": "4.5",
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            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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              "versionEndExcluding": "4.19.217",
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            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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              "versionEndExcluding": "5.4.159",
              "versionStartIncluding": "4.20",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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            {
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          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nisofs: Fix out of bound access for corrupted isofs image\n\nWhen isofs image is suitably corrupted isofs_read_inode() can read data\nbeyond the end of buffer. Sanity-check the directory entry length before\nusing it."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: isofs: corrige el acceso fuera de los l\u00edmites para una imagen isofs corrupta. Cuando la imagen isofs est\u00e1 adecuadamente da\u00f1ada, isofs_read_inode() puede leer datos m\u00e1s all\u00e1 del final del b\u00fafer. Cordura: verifique la longitud de la entrada del directorio antes de usarla."
    }
  ],
  "id": "CVE-2021-47478",
  "lastModified": "2025-04-02T15:09:59.787",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "NONE",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  },
  "published": "2024-05-22T09:15:09.747",
  "references": [
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  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Analyzed",
  "weaknesses": [
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      "description": [
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          "lang": "en",
          "value": "CWE-125"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}


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