fkie_cve-2021-33656
Vulnerability from fkie_nvd
Published
2022-07-18 15:15
Modified
2025-04-02 18:33
Summary
When setting font with malicous data by ioctl cmd PIO_FONT,kernel will write memory out of bounds.
Impacted products
Vendor Product Version
openatom openeuler 20.03
openatom openeuler 20.03
openatom openeuler 20.03
linux linux_kernel *
debian debian_linux 10.0



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    {
      "lang": "en",
      "value": "When setting font with malicous data by ioctl cmd PIO_FONT,kernel will write memory out of bounds."
    },
    {
      "lang": "es",
      "value": "Cuando es establecida la fuente con datos maliciosos por ioctl cmd PIO_FONT, el kernel escribir\u00e1 memoria fuera de l\u00edmites"
    }
  ],
  "id": "CVE-2021-33656",
  "lastModified": "2025-04-02T18:33:53.340",
  "metrics": {
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          "attackComplexity": "LOW",
          "attackVector": "PHYSICAL",
          "availabilityImpact": "HIGH",
          "baseScore": 6.8,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
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        "exploitabilityScore": 0.9,
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  "published": "2022-07-18T15:15:08.043",
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}


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