GSD-2021-3428

Vulnerability from gsd - Updated: 2023-12-13 01:23
Details
A flaw was found in the Linux kernel. A denial of service problem is identified if an extent tree is corrupted in a crafted ext4 filesystem in fs/ext4/extents.c in ext4_es_cache_extent. Fabricating an integer overflow, A local attacker with a special user privilege may cause a system crash problem which can lead to an availability threat.
Aliases
Aliases
CVE-2021-3428
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{
  "GSD": {
    "alias": "CVE-2021-3428",
    "description": "A flaw was found in the Linux kernel. A denial of service problem is identified if an extent tree is corrupted in a crafted ext4 filesystem in fs/ext4/extents.c in ext4_es_cache_extent. Fabricating an integer overflow, A local attacker with a special user privilege may cause a system crash problem which can lead to an availability threat.",
    "id": "GSD-2021-3428",
    "references": [
      "https://www.suse.com/security/cve/CVE-2021-3428.html",
      "https://ubuntu.com/security/CVE-2021-3428",
      "https://security.archlinux.org/CVE-2021-3428",
      "https://linux.oracle.com/cve/CVE-2021-3428.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-3428"
      ],
      "details": "A flaw was found in the Linux kernel. A denial of service problem is identified if an extent tree is corrupted in a crafted ext4 filesystem in fs/ext4/extents.c in ext4_es_cache_extent. Fabricating an integer overflow, A local attacker with a special user privilege may cause a system crash problem which can lead to an availability threat.",
      "id": "GSD-2021-3428",
      "modified": "2023-12-13T01:23:35.037458Z",
      "schema_version": "1.4.0"
    }
  },
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        "ID": "CVE-2021-3428",
        "STATE": "PUBLIC"
      },
      "affects": {
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          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "kernel",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "Affects linux kernel before v5.9."
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "n/a"
            }
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          }
        ]
      },
      "problemtype": {
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          {
            "description": [
              {
                "cweId": "CWE-190",
                "lang": "eng",
                "value": "CWE-190 - Integer Overflow or Wraparound"
              }
            ]
          }
        ]
      },
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            "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1972621",
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          },
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            "name": "https://www.openwall.com/lists/oss-security/2021/03/17/1",
            "refsource": "MISC",
            "url": "https://www.openwall.com/lists/oss-security/2021/03/17/1"
          }
        ]
      }
    },
    "nvd.nist.gov": {
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        "nodes": [
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            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "5.9.0",
                "vulnerable": true
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        "description": {
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            }
          ]
        },
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                "Permissions Required",
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            },
            {
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            },
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            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "LOCAL",
            "authentication": "NONE",
            "availabilityImpact": "COMPLETE",
            "baseScore": 4.9,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C",
            "version": "2.0"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 6.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "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
        }
      },
      "lastModifiedDate": "2022-03-11T15:39Z",
      "publishedDate": "2022-03-04T18:15Z"
    }
  }
}



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