fkie_cve-2021-3764
Vulnerability from fkie_nvd
Published
2022-08-23 16:15
Modified
2024-11-21 06:22
Summary
A memory leak flaw was found in the Linux kernel's ccp_run_aes_gcm_cmd() function that allows an attacker to cause a denial of service. The vulnerability is similar to the older CVE-2019-18808. The highest threat from this vulnerability is to system availability.
Impacted products



{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "BBD585C2-3F95-4E2A-BD16-33C3A6211557",
              "versionEndIncluding": "5.14.20",
              "vulnerable": true
            },
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              "criteria": "cpe:2.3:o:linux:linux_kernel:5.15:-:*:*:*:*:*:*",
              "matchCriteriaId": "40D9C0D1-0F32-4A2B-9840-1072F5497540",
              "vulnerable": true
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              "matchCriteriaId": "E46C74C6-B76B-4C94-A6A4-FD2FFF62D644",
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              "vulnerable": true
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              "vulnerable": true
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          "negate": false,
          "operator": "OR"
        }
      ]
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A memory leak flaw was found in the Linux kernel\u0027s ccp_run_aes_gcm_cmd() function that allows an attacker to cause a denial of service. The vulnerability is similar to the older CVE-2019-18808. The highest threat from this vulnerability is to system availability."
    },
    {
      "lang": "es",
      "value": "Se ha encontrado un fallo de p\u00e9rdida de memoria en la funci\u00f3n ccp_run_aes_gcm_cmd() del kernel de Linux que permite a un atacante causar una denegaci\u00f3n de servicio. La vulnerabilidad es similar a la anterior CVE-2019-18808. La mayor amenaza de esta vulnerabilidad es la disponibilidad del sistema."
    }
  ],
  "id": "CVE-2021-3764",
  "lastModified": "2024-11-21T06:22:22.153",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2022-08-23T16:15:09.837",
  "references": [
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://access.redhat.com/security/cve/CVE-2021-3764"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Issue Tracking",
        "Third Party Advisory"
      ],
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1997467"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/torvalds/linux/commit/505d9dcb0f7ddf9d075e729523a33d38642ae680"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
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      "url": "https://security-tracker.debian.org/tracker/CVE-2021-3764"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      "url": "https://access.redhat.com/security/cve/CVE-2021-3764"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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        "Third Party Advisory"
      ],
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1997467"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      "url": "https://github.com/torvalds/linux/commit/505d9dcb0f7ddf9d075e729523a33d38642ae680"
    },
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      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      "url": "https://security-tracker.debian.org/tracker/CVE-2021-3764"
    }
  ],
  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-400"
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      "source": "secalert@redhat.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-401"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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