GSD-2020-14351

Vulnerability from gsd - Updated: 2023-12-13 01:22
Details
A flaw was found in the Linux kernel. A use-after-free memory flaw was found in the perf subsystem allowing a local attacker with permission to monitor perf events to corrupt memory and possibly escalate privileges. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Aliases
Aliases
CVE-2020-14351
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{
  "GSD": {
    "alias": "CVE-2020-14351",
    "description": "A flaw was found in the Linux kernel. A use-after-free memory flaw was found in the perf subsystem allowing a local attacker with permission to monitor perf events to corrupt memory and possibly escalate privileges. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.",
    "id": "GSD-2020-14351",
    "references": [
      "https://www.suse.com/security/cve/CVE-2020-14351.html",
      "https://access.redhat.com/errata/RHSA-2021:1267",
      "https://access.redhat.com/errata/RHSA-2021:1028",
      "https://access.redhat.com/errata/RHSA-2021:0878",
      "https://access.redhat.com/errata/RHSA-2021:0857",
      "https://access.redhat.com/errata/RHSA-2021:0856",
      "https://access.redhat.com/errata/RHSA-2021:0848",
      "https://access.redhat.com/errata/RHSA-2021:0774",
      "https://access.redhat.com/errata/RHSA-2021:0765",
      "https://access.redhat.com/errata/RHSA-2021:0686",
      "https://access.redhat.com/errata/RHSA-2021:0558",
      "https://access.redhat.com/errata/RHSA-2021:0537",
      "https://ubuntu.com/security/CVE-2020-14351",
      "https://advisories.mageia.org/CVE-2020-14351.html",
      "https://alas.aws.amazon.com/cve/html/CVE-2020-14351.html",
      "https://linux.oracle.com/cve/CVE-2020-14351.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
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      "id": "GSD-2020-14351",
      "modified": "2023-12-13T01:22:00.077857Z",
      "schema_version": "1.4.0"
    }
  },
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      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "LOCAL",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 4.6,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 6.4,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "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": "2021-11-04T17:05Z",
      "publishedDate": "2020-12-03T17:15Z"
    }
  }
}


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  • 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.
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