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",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "436BD498-0DB1-4290-9A36-A52CB11B3AC3",
              "versionEndExcluding": "4.14.255",
              "versionStartIncluding": "4.10",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "01C66D0E-2D4A-45A8-800F-23022B681325",
              "versionEndExcluding": "4.19.217",
              "versionStartIncluding": "4.15",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "A974BD5C-13A1-4974-B68A-6FD1422F5F3B",
              "versionEndExcluding": "5.4.159",
              "versionStartIncluding": "4.20",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "AD6F772D-D9E4-4B9B-9E3C-CD5635E9E88D",
              "versionEndExcluding": "5.10.79",
              "versionStartIncluding": "5.5",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "B51F6469-3DD9-4E3B-8BD5-2E6911301BF1",
              "versionEndExcluding": "5.14.18",
              "versionStartIncluding": "5.11",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "9BFCBC65-4DA5-4C88-B852-E7B052DE9F20",
              "versionEndExcluding": "5.15.2",
              "versionStartIncluding": "5.15",
              "vulnerable": true
            }
          ],
          "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": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/156ce5bb6cc43a80a743810199defb1dc3f55b7f"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/6e80e9314f8bb52d9eabe1907698718ff01120f5"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/86d4aedcbc69c0f84551fb70f953c24e396de2d7"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/9ec33a9b8790c212cc926a88c5e2105f97f3f57e"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/afbd40f425227e661d991757e11cc4db024e761f"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/b0ddff8d68f2e43857a84dce54c3deab181c8ae1"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/b2fa1f52d22c5455217b294629346ad23a744945"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/e7fb722586a2936b37bdff096c095c30ca06404d"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/e96a1866b40570b5950cda8602c2819189c62a48"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/156ce5bb6cc43a80a743810199defb1dc3f55b7f"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/6e80e9314f8bb52d9eabe1907698718ff01120f5"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/86d4aedcbc69c0f84551fb70f953c24e396de2d7"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/9ec33a9b8790c212cc926a88c5e2105f97f3f57e"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/afbd40f425227e661d991757e11cc4db024e761f"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/b0ddff8d68f2e43857a84dce54c3deab181c8ae1"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/b2fa1f52d22c5455217b294629346ad23a744945"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/e7fb722586a2936b37bdff096c095c30ca06404d"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/e96a1866b40570b5950cda8602c2819189c62a48"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-125"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.