FKIE_CVE-2021-25487

Vulnerability from fkie_nvd - Published: 2021-10-06 18:15 - Updated: 2026-06-17 03:42
Summary
Lack of boundary checking of a buffer in set_skb_priv() of modem interface driver prior to SMR Oct-2021 Release 1 allows OOB read and it results in arbitrary code execution by dereference of invalid function pointer.

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Samsung Mobile Devices",
          "vendor": "Samsung Mobile",
          "versions": [
            {
              "lessThan": "SMR Oct-2021 Release 1",
              "status": "affected",
              "version": "O(8.1), P(9.0), Q(10.0), R(11.0)",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "mobile.security@samsung.com"
    }
  ],
  "cisaActionDue": "2023-07-20",
  "cisaExploitAdd": "2023-06-29",
  "cisaRequiredAction": "Apply updates per vendor instructions or discontinue use of the product if updates are unavailable",
  "cisaVulnerabilityName": "Samsung Mobile Devices Out-of-Bounds Read Vulnerability",
  "configurations": [
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          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Lack of boundary checking of a buffer in set_skb_priv() of modem interface driver prior to SMR Oct-2021 Release 1 allows OOB read and it results in arbitrary code execution by dereference of invalid function pointer."
    },
    {
      "lang": "es",
      "value": "Una falta de comprobaci\u00f3n de l\u00edmites de un b\u00fafer en la funci\u00f3n set_skb_priv() de modem interface driver versiones anteriores a SMR Oct-2021 Release 1, permite una lectura OOB y permite una ejecuci\u00f3n de c\u00f3digo arbitrario por desreferencia de un puntero de funci\u00f3n no v\u00e1lido"
    }
  ],
  "id": "CVE-2021-25487",
  "lastModified": "2026-06-17T03:42:10.500",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.6,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
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          "attackVector": "LOCAL",
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          "baseScore": 7.3,
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          "confidentialityImpact": "HIGH",
          "integrityImpact": "LOW",
          "privilegesRequired": "LOW",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N",
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        "source": "mobile.security@samsung.com",
        "type": "Secondary"
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          "attackVector": "LOCAL",
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          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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        "impactScore": 5.9,
        "source": "nvd@nist.gov",
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    "ssvcV203": [
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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2021-25487",
          "options": [
            {
              "exploitation": "active"
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            {
              "automatable": "no"
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            {
              "technicalImpact": "total"
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          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-02-04T21:23:33.780364Z",
          "version": "2.0.3"
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  },
  "published": "2021-10-06T18:15:09.567",
  "references": [
    {
      "source": "mobile.security@samsung.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://security.samsungmobile.com/securityUpdate.smsb?year=2021\u0026month=10"
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  "vulnStatus": "Analyzed",
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          "value": "CWE-125"
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}



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