CVE-2021-3894 (GCVE-0-2021-3894)

Vulnerability from cvelistv5 – Published: – Updated: 2023-02-12 00:00
VLAI

DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate was withdrawn by its CNA. Further investigation showed that it was not a security issue. Notes: none.

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{
  "containers": {
    "cna": {
      "providerMetadata": {
        "dateUpdated": "2023-02-12T00:00:00.000Z",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
      },
      "rejectedReasons": [
        {
          "lang": "en",
          "value": "DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate was withdrawn by its CNA. Further investigation showed that it was not a security issue. Notes: none."
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2021-3894",
    "dateRejected": "2023-02-12T00:00:00.000Z",
    "dateReserved": "2021-10-20T00:00:00.000Z",
    "dateUpdated": "2023-02-12T00:00:00.000Z",
    "state": "REJECTED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.0",
  "vulnerability-lookup:meta": {
    "fkie_nvd": {
      "descriptions": "[{\"lang\": \"en\", \"value\": \"Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate was withdrawn by its CNA. Further investigation showed that it was not a security issue. Notes: none.\"}]",
      "id": "CVE-2021-3894",
      "lastModified": "2023-11-07T03:38:23.590",
      "published": "2022-08-23T16:15:10.140",
      "sourceIdentifier": "secalert@redhat.com",
      "vulnStatus": "Rejected"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-3894\",\"sourceIdentifier\":\"secalert@redhat.com\",\"published\":\"2022-08-23T16:15:10.140\",\"lastModified\":\"2023-11-07T03:38:23.590\",\"vulnStatus\":\"Rejected\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate was withdrawn by its CNA. Further investigation showed that it was not a security issue. Notes: none.\"}],\"metrics\":{},\"references\":[]}}",
    "redhat_vex": {
      "aggregate_severity": "None",
      "current_release_date": "2025-11-21T16:01:23+00:00",
      "cve": "CVE-2021-3894",
      "id": "CVE-2021-3894",
      "initial_release_date": "2021-01-01T00:00:00+00:00",
      "product_status:known_affected": "91",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: sctp: local DoS: unprivileged user can cause BUG()",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-3894.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-07-23T02:43:21Z",
      "cve": "CVE-2021-3894",
      "id": "CVE-2021-3894",
      "initial_release_date": "2023-02-15T03:48:24Z",
      "product_status:known_not_affected": "146",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2021-3894",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2021-3894.json",
      "version": "16"
    }
  }
}



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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.