GSD-2021-20255

Vulnerability from gsd - Updated: 2023-12-13 01:23
Details
A stack overflow via an infinite recursion vulnerability was found in the eepro100 i8255x device emulator of QEMU. This issue occurs while processing controller commands due to a DMA reentry issue. This flaw allows a guest user or process to consume CPU cycles or crash the QEMU process on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability.
Aliases
Aliases
CVE-2021-20255
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{
  "GSD": {
    "alias": "CVE-2021-20255",
    "description": "A stack overflow via an infinite recursion vulnerability was found in the eepro100 i8255x device emulator of QEMU. This issue occurs while processing controller commands due to a DMA reentry issue. This flaw allows a guest user or process to consume CPU cycles or crash the QEMU process on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability.",
    "id": "GSD-2021-20255",
    "references": [
      "https://www.suse.com/security/cve/CVE-2021-20255.html",
      "https://security.archlinux.org/CVE-2021-20255"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-20255"
      ],
      "details": "A stack overflow via an infinite recursion vulnerability was found in the eepro100 i8255x device emulator of QEMU. This issue occurs while processing controller commands due to a DMA reentry issue. This flaw allows a guest user or process to consume CPU cycles or crash the QEMU process on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability.",
      "id": "GSD-2021-20255",
      "modified": "2023-12-13T01:23:12.092637Z",
      "schema_version": "1.4.0"
    }
  },
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            "accessVector": "LOCAL",
            "authentication": "NONE",
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            "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P",
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            "baseScore": 5.5,
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            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
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      },
      "lastModifiedDate": "2022-08-05T17:52Z",
      "publishedDate": "2021-03-09T20:15Z"
    }
  }
}



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