{
  "cveId": "CVE-2021-33120",
  "url": "https://patchblox.com/security/cve/CVE-2021-33120",
  "summary": "CVE-2021-33120 is fixed in intel-microcode on 1 platform, first by DEBIAN-CVE-2021-33120, released February 9, 2022. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "intel-microcode: Out of bounds read under complex microarchitectural condition in memory subsystem for some Intel Atom(R) Processors m...",
  "description": "Out of bounds read under complex microarchitectural condition in memory subsystem for some Intel Atom(R) Processors may allow authenticated user to potentially enable information disclosure or cause denial of service via network access.",
  "published": "2022-02-09T15:15:00Z",
  "severity": "medium",
  "cvss": 5.4,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L",
  "epss": 0.0095,
  "epssPercentile": 0.61494,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "intel-microcode",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "3.20220207.1",
      "fix": "DEBIAN-CVE-2021-33120",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-33120",
      "released": "2022-02-09T23:15:15Z"
    },
    {
      "platform": "linux",
      "product": "intel-microcode",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "3.20220207.1",
      "fix": "DEBIAN-CVE-2021-33120",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-33120",
      "released": "2022-02-09T23:15:15Z"
    },
    {
      "platform": "linux",
      "product": "intel-microcode",
      "release": "Debian 14",
      "fixedVersion": "3.20220207.1",
      "fix": "DEBIAN-CVE-2021-33120",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2021-33120",
      "released": "2022-02-09T23:15:15Z"
    },
    {
      "platform": "linux",
      "product": "intel-microcode",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "3.20220510.0ubuntu0.18.04.1",
      "fix": "intel-microcode 3.20220510.0ubuntu0.18.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-intel-microcode-3.20220510.0ubuntu0.18.04.1",
      "released": "2022-06-15T14:15:00Z"
    },
    {
      "platform": "linux",
      "product": "intel-microcode",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "3.20220510.0ubuntu0.20.04.1",
      "fix": "intel-microcode 3.20220510.0ubuntu0.20.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-intel-microcode-3.20220510.0ubuntu0.20.04.1",
      "released": "2022-06-15T14:15:00Z"
    },
    {
      "platform": "linux",
      "product": "intel-microcode",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "3.20220510.0ubuntu0.22.04.1",
      "fix": "intel-microcode 3.20220510.0ubuntu0.22.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-intel-microcode-3.20220510.0ubuntu0.22.04.1",
      "released": "2022-06-15T14:15:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-09T07:25:28Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}