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CVE-2021-33631 (GCVE-0-2021-33631)

Vulnerability from cvelistv5 – Published: 2024-01-18 15:05 – Updated: 2025-02-13 16:28
VLAI
Title
Kernel crash in EXT4 filesystem
Summary
Integer Overflow or Wraparound vulnerability in openEuler kernel on Linux (filesystem modules) allows Forced Integer Overflow.This issue affects openEuler kernel: from 4.19.90 before 4.19.90-2401.3, from 5.10.0-60.18.0 before 5.10.0-183.0.0.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-02-21 18:54 UTC
CWE
  • CWE-190 - Integer Overflow or Wraparound
Impacted products
Vendor Product Version CPE status
openEuler kernel Affected: 4.19.90 , < 4.19.90-2401.3 (git)
Affected: 5.10.0-60.18.0 , < 5.10.0-183.0.0 (git)
guessed Create a notification for this product.
Show details on NVD website

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                  "value": "GENERAL"
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              ]
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          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-190",
                  "description": "CWE-190 Integer Overflow or Wraparound",
                  "lang": "en",
                  "type": "CWE"
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          "providerMetadata": {
            "dateUpdated": "2024-02-03T00:06:22.864Z",
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              "url": "https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2024-1030"
            },
            {
              "url": "https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2024-1031"
            },
            {
              "url": "https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2024-1032"
            },
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              "url": "https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2024-1033"
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              "url": "https://gitee.com/src-openeuler/kernel/pulls/1389"
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              "url": "https://gitee.com/src-openeuler/kernel/pulls/1396"
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              "url": "http://www.openwall.com/lists/oss-security/2024/01/30/3"
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              "url": "http://www.openwall.com/lists/oss-security/2024/01/30/5"
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              "url": "http://www.openwall.com/lists/oss-security/2024/01/30/10"
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              "url": "http://www.openwall.com/lists/oss-security/2024/01/31/3"
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            {
              "url": "http://www.openwall.com/lists/oss-security/2024/01/31/2"
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              "url": "http://www.openwall.com/lists/oss-security/2024/02/02/6"
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              "url": "http://www.openwall.com/lists/oss-security/2024/02/02/9"
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              "url": "http://www.openwall.com/lists/oss-security/2024/02/03/1"
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          "source": {
            "discovery": "UNKNOWN"
          },
          "title": "Kernel crash in EXT4 filesystem",
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      "cveMetadata": {
        "assignerOrgId": "7e1ac599-2767-43fa-b3ea-f10178cc98f2",
        "assignerShortName": "openEuler",
        "cveId": "CVE-2021-33631",
        "datePublished": "2024-01-18T15:05:58.610Z",
        "dateReserved": "2021-05-28T14:26:05.941Z",
        "dateUpdated": "2025-02-13T16:28:21.561Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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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.

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Detection rules are retrieved from Rulezet.

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Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


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