ghsa-v6w7-gq3g-fwvm
Vulnerability from github
Published
2022-05-24 17:43
Modified
2022-06-04 00:00
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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.

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{
   affected: [],
   aliases: [
      "CVE-2021-20255",
   ],
   database_specific: {
      cwe_ids: [
         "CWE-674",
         "CWE-835",
      ],
      github_reviewed: false,
      github_reviewed_at: null,
      nvd_published_at: "2021-03-09T20:15:00Z",
      severity: "MODERATE",
   },
   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: "GHSA-v6w7-gq3g-fwvm",
   modified: "2022-06-04T00:00:55Z",
   published: "2022-05-24T17:43:53Z",
   references: [
      {
         type: "ADVISORY",
         url: "https://nvd.nist.gov/vuln/detail/CVE-2021-20255",
      },
      {
         type: "WEB",
         url: "https://bugzilla.redhat.com/show_bug.cgi?id=1930646",
      },
      {
         type: "WEB",
         url: "https://lists.debian.org/debian-lts-announce/2021/04/msg00009.html",
      },
      {
         type: "WEB",
         url: "https://ruhr-uni-bochum.sciebo.de/s/NNWP2GfwzYKeKwE?path=%2Feepro100_stackoverflow1",
      },
      {
         type: "WEB",
         url: "https://security.netapp.com/advisory/ntap-20210507-0003",
      },
      {
         type: "WEB",
         url: "https://www.openwall.com/lists/oss-security/2021/02/25/1",
      },
   ],
   schema_version: "1.4.0",
   severity: [
      {
         score: "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
         type: "CVSS_V3",
      },
   ],
}


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