gsd-2021-4037
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
A vulnerability was found in the fs/inode.c:inode_init_owner() function logic of the LInux kernel that allows local users to create files for the XFS file-system with an unintended group ownership and with group execution and SGID permission bits set, in a scenario where a directory is SGID and belongs to a certain group and is writable by a user who is not a member of this group. This can lead to excessive permissions granted in case when they should not. This vulnerability is similar to the previous CVE-2018-13405 and adds the missed fix for the XFS.
Aliases
Aliases
CVE-2021-4037


To clipboard 

{
  "GSD": {
    "alias": "CVE-2021-4037",
    "description": "A vulnerability was found in the fs/inode.c:inode_init_owner() function logic of the LInux kernel that allows local users to create files for the XFS file-system with an unintended group ownership and with group execution and SGID permission bits set, in a scenario where a directory is SGID and belongs to a certain group and is writable by a user who is not a member of this group. This can lead to excessive permissions granted in case when they should not. This vulnerability is similar to the previous CVE-2018-13405 and adds the missed fix for the XFS.",
    "id": "GSD-2021-4037",
    "references": [
      "https://www.suse.com/security/cve/CVE-2021-4037.html",
      "https://linux.oracle.com/cve/CVE-2021-4037.html",
      "https://access.redhat.com/errata/RHSA-2022:1975",
      "https://access.redhat.com/errata/RHSA-2022:1988",
      "https://access.redhat.com/errata/RHSA-2022:4829",
      "https://access.redhat.com/errata/RHSA-2022:4835",
      "https://ubuntu.com/security/CVE-2021-4037"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-4037"
      ],
      "details": "A vulnerability was found in the fs/inode.c:inode_init_owner() function logic of the LInux kernel that allows local users to create files for the XFS file-system with an unintended group ownership and with group execution and SGID permission bits set, in a scenario where a directory is SGID and belongs to a certain group and is writable by a user who is not a member of this group. This can lead to excessive permissions granted in case when they should not. This vulnerability is similar to the previous CVE-2018-13405 and adds the missed fix for the XFS.",
      "id": "GSD-2021-4037",
      "modified": "2023-12-13T01:23:11.526115Z",
      "schema_version": "1.4.0"
    }
  },
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          }
        ]
      },
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          },
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    },
    "nvd.nist.gov": {
      "configurations": {
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                "cpe_name": [],
                "versionEndExcluding": "5.11",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
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        },
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        "description": {
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            }
          ]
        },
        "problemtype": {
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            {
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              "name": "https://bugzilla.redhat.com/show_bug.cgi?id=2004810",
              "refsource": "MISC",
              "tags": [
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                "Permissions Required",
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              "refsource": "MLIST",
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              ],
              "url": "https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 1.8,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2022-12-08T03:40Z",
      "publishedDate": "2022-08-24T16:15Z"
    }
  }
}


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