{
  "cveId": "CVE-2021-20269",
  "url": "https://patchblox.com/security/cve/CVE-2021-20269",
  "summary": "CVE-2021-20269 is fixed in kexec-tools on 1 platform, first by RHSA-2021:4404, released November 9, 2021. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "kexec-tools: The kexec-tools packages contain the /sbin/kexec binary and utilities that together form the user-space component of...",
  "description": "The kexec-tools packages contain the /sbin/kexec binary and utilities that together form the user-space component of the kernel\u0027s kexec feature. The /sbin/kexec binary facilitates a new kernel to boot using the kernel\u0027s kexec feature either on a normal or a panic reboot. The kexec fastboot mechanism allows booting a Linux kernel from the context of an already running kernel. \n\nSecurity Fix(es):\n\n* kexec-tools: incorrect permissions on kdump dmesg file (CVE-2021-20269)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Red Hat Enterprise Linux 8.5 Release Notes linked from the References section.",
  "published": "2021-11-09T00:00:00Z",
  "severity": "Low",
  "cvss": 6.2,
  "epss": 0.00252,
  "epssPercentile": 0.16771,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "kexec-tools",
      "release": "RHEL 8",
      "fixedVersion": "0:2.0.20-57.el8",
      "fix": "RHSA-2021:4404",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2021-4404",
      "released": "2021-11-09T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "kexec-tools",
      "release": "ol 8",
      "fixedVersion": "0:2.0.20-57.0.3.el8",
      "fix": "ELSA-2021-4404",
      "url": "https://patchblox.com/security/fix/linux/elsa-2021-4404",
      "released": "2021-11-16T00:00:00Z"
    }
  ],
  "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"
  }
}