gsd-2021-20269
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
A flaw was found in the permissions of a log file created by kexec-tools. This flaw allows a local unprivileged user to read this file and leak kernel internal information from a previous panic. The highest threat from this vulnerability is to confidentiality. This flaw affects kexec-tools shipped by Fedora versions prior to 2.0.21-8 and RHEL versions prior to 2.0.20-47.
Aliases
Aliases
CVE-2021-20269


To clipboard 

{
  "GSD": {
    "alias": "CVE-2021-20269",
    "description": "A flaw was found in the permissions of a log file created by kexec-tools. This flaw allows a local unprivileged user to read this file and leak kernel internal information from a previous panic. The highest threat from this vulnerability is to confidentiality. This flaw affects kexec-tools shipped by Fedora versions prior to 2.0.21-8 and RHEL versions prior to 2.0.20-47.",
    "id": "GSD-2021-20269",
    "references": [
      "https://www.suse.com/security/cve/CVE-2021-20269.html",
      "https://access.redhat.com/errata/RHSA-2021:4404",
      "https://security.archlinux.org/CVE-2021-20269",
      "https://linux.oracle.com/cve/CVE-2021-20269.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-20269"
      ],
      "details": "A flaw was found in the permissions of a log file created by kexec-tools. This flaw allows a local unprivileged user to read this file and leak kernel internal information from a previous panic. The highest threat from this vulnerability is to confidentiality. This flaw affects kexec-tools shipped by Fedora versions prior to 2.0.21-8 and RHEL versions prior to 2.0.20-47.",
      "id": "GSD-2021-20269",
      "modified": "2023-12-13T01:23:12.678839Z",
      "schema_version": "1.4.0"
    }
  },
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        "ID": "CVE-2021-20269",
        "STATE": "PUBLIC"
      },
      "affects": {
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          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "kexec-tools",
                    "version": {
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                        {
                          "version_affected": "=",
                          "version_value": "Fedora kexec-tools versions prior to 2.0.21-8 and RHEL kexec-tools versions prior to 2.0.20-47"
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          }
        ]
      },
      "problemtype": {
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                "cweId": "CWE-276",
                "lang": "eng",
                "value": "CWE-276"
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            "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1934261",
            "refsource": "MISC",
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1934261"
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    },
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        "nodes": [
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              {
                "children": [],
                "cpe_match": [
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                    "cpe23Uri": "cpe:2.3:a:kexec-tools_project:kexec-tools:*:*:*:*:*:*:*:*",
                    "cpe_name": [],
                    "versionEndExcluding": "2.0.21-8",
                    "vulnerable": true
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                ],
                "operator": "OR"
              },
              {
                "children": [],
                "cpe_match": [
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            "children": [
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                "children": [],
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                    "cpe_name": [],
                    "versionEndExcluding": "2.0.20-47",
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                "children": [],
                "cpe_match": [
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        "description": {
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            }
          ]
        },
        "problemtype": {
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              "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1934261",
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              "tags": [
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                "Third Party Advisory"
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              "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1934261"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "LOCAL",
            "authentication": "NONE",
            "availabilityImpact": "NONE",
            "baseScore": 2.1,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "NONE",
            "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N",
            "version": "2.0"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "LOW",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 1.8,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2023-02-12T22:15Z",
      "publishedDate": "2022-03-10T17:41Z"
    }
  }
}


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