gsd-2020-8649
Vulnerability from gsd
Modified
2023-12-13 01:21
Details
There is a use-after-free vulnerability in the Linux kernel through 5.5.2 in the vgacon_invert_region function in drivers/video/console/vgacon.c.
Aliases
Aliases
CVE-2020-8649


To clipboard 

{
  "GSD": {
    "alias": "CVE-2020-8649",
    "description": "There is a use-after-free vulnerability in the Linux kernel through 5.5.2 in the vgacon_invert_region function in drivers/video/console/vgacon.c.",
    "id": "GSD-2020-8649",
    "references": [
      "https://www.suse.com/security/cve/CVE-2020-8649.html",
      "https://www.debian.org/security/2020/dsa-4698",
      "https://access.redhat.com/errata/RHSA-2020:4609",
      "https://access.redhat.com/errata/RHSA-2020:4431",
      "https://access.redhat.com/errata/RHSA-2020:4062",
      "https://access.redhat.com/errata/RHSA-2020:4060",
      "https://advisories.mageia.org/CVE-2020-8649.html",
      "https://access.redhat.com/errata/RHSA-2022:1209",
      "https://access.redhat.com/errata/RHSA-2022:1213",
      "https://linux.oracle.com/cve/CVE-2020-8649.html",
      "https://ubuntu.com/security/CVE-2020-8649"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2020-8649"
      ],
      "details": "There is a use-after-free vulnerability in the Linux kernel through 5.5.2 in the vgacon_invert_region function in drivers/video/console/vgacon.c.",
      "id": "GSD-2020-8649",
      "modified": "2023-12-13T01:21:54.221123Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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        "STATE": "PUBLIC"
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          },
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          },
          {
            "name": "[debian-lts-announce] 20200610 [SECURITY] [DLA 2242-1] linux-4.9 security update",
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          {
            "name": "[debian-lts-announce] 20200610 [SECURITY] [DLA 2241-2] linux security update",
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    },
    "nvd.nist.gov": {
      "configurations": {
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                "cpe23Uri": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndIncluding": "5.5.2",
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      "cve": {
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        "problemtype": {
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            },
            {
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              "url": "https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html"
            },
            {
              "name": "DSA-4698",
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              "url": "https://www.debian.org/security/2020/dsa-4698"
            }
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        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "LOCAL",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 3.6,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "NONE",
            "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 4.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "LOW",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "PHYSICAL",
            "availabilityImpact": "HIGH",
            "baseScore": 5.9,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 0.7,
          "impactScore": 5.2
        }
      },
      "lastModifiedDate": "2021-12-30T20:44Z",
      "publishedDate": "2020-02-06T01:15Z"
    }
  }
}


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