FKIE_CVE-2021-47308

Vulnerability from fkie_nvd - Published: 2024-05-21 15:15 - Updated: 2026-06-17 04:17
Severity
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
Summary
In the Linux kernel, the following vulnerability has been resolved: scsi: libfc: Fix array index out of bound exception Fix array index out of bound exception in fc_rport_prli_resp().
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0fe70c15f9435bb3c50954778245d62ee38b0e03Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/44651522941c623e20882b3b443f23f77de1ea8bPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4921b1618045ffab71b1050bf0014df3313a2289Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8511293e643a18b248510ae5734e4f360754348cPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a4a54c54af2516caa9c145015844543cfc84316aPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b27c4577557045f1ab3cdfeabfc7f3cd24aca1fePatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/0fe70c15f9435bb3c50954778245d62ee38b0e03Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/44651522941c623e20882b3b443f23f77de1ea8bPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/4921b1618045ffab71b1050bf0014df3313a2289Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/8511293e643a18b248510ae5734e4f360754348cPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/a4a54c54af2516caa9c145015844543cfc84316aPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/b27c4577557045f1ab3cdfeabfc7f3cd24aca1fePatch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/scsi/libfc/fc_rport.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "44651522941c623e20882b3b443f23f77de1ea8b",
              "status": "affected",
              "version": "386b97b43c0c9e0d878eec7ea1db16af22b036ae",
              "versionType": "git"
            },
            {
              "lessThan": "4921b1618045ffab71b1050bf0014df3313a2289",
              "status": "affected",
              "version": "386b97b43c0c9e0d878eec7ea1db16af22b036ae",
              "versionType": "git"
            },
            {
              "lessThan": "0fe70c15f9435bb3c50954778245d62ee38b0e03",
              "status": "affected",
              "version": "386b97b43c0c9e0d878eec7ea1db16af22b036ae",
              "versionType": "git"
            },
            {
              "lessThan": "a4a54c54af2516caa9c145015844543cfc84316a",
              "status": "affected",
              "version": "386b97b43c0c9e0d878eec7ea1db16af22b036ae",
              "versionType": "git"
            },
            {
              "lessThan": "8511293e643a18b248510ae5734e4f360754348c",
              "status": "affected",
              "version": "386b97b43c0c9e0d878eec7ea1db16af22b036ae",
              "versionType": "git"
            },
            {
              "lessThan": "b27c4577557045f1ab3cdfeabfc7f3cd24aca1fe",
              "status": "affected",
              "version": "386b97b43c0c9e0d878eec7ea1db16af22b036ae",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/scsi/libfc/fc_rport.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.10"
            },
            {
              "lessThan": "4.10",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "4.14.*",
              "status": "unaffected",
              "version": "4.14.241",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "4.19.*",
              "status": "unaffected",
              "version": "4.19.199",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.4.*",
              "status": "unaffected",
              "version": "5.4.135",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.53",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.13.*",
              "status": "unaffected",
              "version": "5.13.5",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "5.14",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "82EDB655-50FA-495D-88AA-2D72CC23D904",
              "versionEndExcluding": "4.14.241",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "D1C5B0E1-06E7-4615-AA17-02585202D86E",
              "versionEndExcluding": "4.19.199",
              "versionStartIncluding": "4.15",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "3EF7BA79-262D-4A55-A0A1-E0D0BCA7C320",
              "versionEndExcluding": "5.4.135",
              "versionStartIncluding": "4.20",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "08E2D438-D50E-43C5-AF10-D62FE49B5815",
              "versionEndExcluding": "5.10.53",
              "versionStartIncluding": "5.5",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "808DF8D9-4913-4CC7-B91F-B4146556B7ED",
              "versionEndExcluding": "5.13.5",
              "versionStartIncluding": "5.11",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: libfc: Fix array index out of bound exception\n\nFix array index out of bound exception in fc_rport_prli_resp()."
    },
    {
      "lang": "es",
      "value": " En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: scsi: libfc: Corregir excepci\u00f3n de \u00edndice de matriz fuera de los l\u00edmites. Corregir excepci\u00f3n de \u00edndice de matriz fuera de los l\u00edmites en fc_rport_prli_resp()."
    }
  ],
  "id": "CVE-2021-47308",
  "lastModified": "2026-06-17T04:17:09.480",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "LOW",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 2.5,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2021-47308",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-05-21T18:45:25.408358Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2024-05-21T15:15:18.383",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/0fe70c15f9435bb3c50954778245d62ee38b0e03"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/44651522941c623e20882b3b443f23f77de1ea8b"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/4921b1618045ffab71b1050bf0014df3313a2289"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/8511293e643a18b248510ae5734e4f360754348c"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/a4a54c54af2516caa9c145015844543cfc84316a"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/b27c4577557045f1ab3cdfeabfc7f3cd24aca1fe"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/0fe70c15f9435bb3c50954778245d62ee38b0e03"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/44651522941c623e20882b3b443f23f77de1ea8b"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/4921b1618045ffab71b1050bf0014df3313a2289"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/8511293e643a18b248510ae5734e4f360754348c"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/a4a54c54af2516caa9c145015844543cfc84316a"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/b27c4577557045f1ab3cdfeabfc7f3cd24aca1fe"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-125"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}


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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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  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.