gsd-2021-3715
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
A flaw was found in the "Routing decision" classifier in the Linux kernel's Traffic Control networking subsystem in the way it handled changing of classification filters, leading to a use-after-free condition. This flaw allows unprivileged local users to escalate their privileges on the system. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
Aliases
Aliases



{
  "GSD": {
    "alias": "CVE-2021-3715",
    "description": "A flaw was found in the \"Routing decision\" classifier in the Linux kernel\u0027s Traffic Control networking subsystem in the way it handled changing of classification filters, leading to a use-after-free condition. This flaw allows unprivileged local users to escalate their privileges on the system. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.",
    "id": "GSD-2021-3715",
    "references": [
      "https://www.suse.com/security/cve/CVE-2021-3715.html",
      "https://access.redhat.com/errata/RHSA-2021:3477",
      "https://access.redhat.com/errata/RHSA-2021:3446",
      "https://access.redhat.com/errata/RHSA-2021:3445",
      "https://access.redhat.com/errata/RHSA-2021:3444",
      "https://access.redhat.com/errata/RHSA-2021:3443",
      "https://access.redhat.com/errata/RHSA-2021:3442",
      "https://access.redhat.com/errata/RHSA-2021:3441",
      "https://access.redhat.com/errata/RHSA-2021:3439",
      "https://access.redhat.com/errata/RHSA-2021:3438",
      "https://access.redhat.com/errata/RHSA-2020:4609",
      "https://access.redhat.com/errata/RHSA-2020:4431",
      "https://linux.oracle.com/cve/CVE-2021-3715.html",
      "https://access.redhat.com/errata/RHSA-2022:7173",
      "https://ubuntu.com/security/CVE-2021-3715"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-3715"
      ],
      "details": "A flaw was found in the \"Routing decision\" classifier in the Linux kernel\u0027s Traffic Control networking subsystem in the way it handled changing of classification filters, leading to a use-after-free condition. This flaw allows unprivileged local users to escalate their privileges on the system. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.",
      "id": "GSD-2021-3715",
      "modified": "2023-12-13T01:23:34.233723Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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      },
      "affects": {
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          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "kernel",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "Linux kernel 5.10"
                        }
                      ]
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              "vendor_name": "n/a"
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          }
        ]
      },
      "problemtype": {
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          {
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                "value": "CWE-416"
              }
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      },
      "references": {
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          {
            "name": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ef299cc3fa1a9e1288665a9fdc8bff55629fd359",
            "refsource": "MISC",
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    },
    "nvd.nist.gov": {
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        "nodes": [
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                "cpe_name": [],
                "versionEndExcluding": "5.5.14",
                "versionStartIncluding": "5.5.0",
                "vulnerable": true
              },
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                "cpe_name": [],
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              {
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        "description": {
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            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
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              "tags": [
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              "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ef299cc3fa1a9e1288665a9fdc8bff55629fd359"
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          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "LOCAL",
            "authentication": "NONE",
            "availabilityImpact": "COMPLETE",
            "baseScore": 7.2,
            "confidentialityImpact": "COMPLETE",
            "integrityImpact": "COMPLETE",
            "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
            "version": "2.0"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 10.0,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "HIGH",
          "userInteractionRequired": false
        },
        "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": "2023-01-24T15:07Z",
      "publishedDate": "2022-03-02T23:15Z"
    }
  }
}


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