FKIE_CVE-2021-25457

Vulnerability from fkie_nvd - Published: 2021-09-09 19:15 - Updated: 2026-06-17 03:42
Severity
5.9 (Medium) - CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
3.3 (Low) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Summary
An improper input validation vulnerability in DSP driver prior to SMR Sep-2021 Release 1 allows local attackers to get a limited kernel memory information.
References
mobile.security@samsung.comhttps://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=9Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=9Vendor Advisory
Impacted products
Vendor Product Version
google android 10.0
google android 11.0
samsung exynos_2100 -
samsung exynos_980 -
samsung exynos_9830 -
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Samsung Mobile Devices",
          "vendor": "Samsung Mobile",
          "versions": [
            {
              "lessThan": "SMR Sep-2021 Release 1",
              "status": "affected",
              "version": "Q(10.0), R(11.0) devices with Exynos 980, 9830, 2100 chipsets",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "mobile.security@samsung.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:google:android:10.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "D558D965-FA70-4822-A770-419E73BA9ED3",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:google:android:11.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "109DD7FD-3A48-4C3D-8E1A-4433B98E1E64",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:samsung:exynos_2100:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "9385885D-654A-496E-8029-7C6D9B077193",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:h:samsung:exynos_980:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "0D8701B6-6989-44D1-873A-A1823BFD7CCC",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:h:samsung:exynos_9830:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "CC599902-095F-411E-B112-1BA9A643C6C9",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An improper input validation vulnerability in DSP driver prior to SMR Sep-2021 Release 1 allows local attackers to get a limited kernel memory information."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de comprobaci\u00f3n inapropiada de entrada en DSP driver anterior a versi\u00f3n SMR Sep-2021 Release 1, permite a atacantes locales conseguir una informaci\u00f3n limitada de la memoria del kernel"
    }
  ],
  "id": "CVE-2021-25457",
  "lastModified": "2026-06-17T03:42:07.120",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "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
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "LOW",
          "baseScore": 5.9,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
          "version": "3.1"
        },
        "exploitabilityScore": 2.5,
        "impactScore": 3.4,
        "source": "mobile.security@samsung.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "NONE",
          "baseScore": 3.3,
          "baseSeverity": "LOW",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 1.4,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-09-09T19:15:10.577",
  "references": [
    {
      "source": "mobile.security@samsung.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://security.samsungmobile.com/securityUpdate.smsb?year=2021\u0026month=9"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://security.samsungmobile.com/securityUpdate.smsb?year=2021\u0026month=9"
    }
  ],
  "sourceIdentifier": "mobile.security@samsung.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ],
      "source": "mobile.security@samsung.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ],
      "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

Author Source Type Date Other

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


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