{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2026-64373",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-64373",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-07-25T08:50:25.427Z",
    "updatedAt": "2026-08-17T04:54:23.307Z",
    "importedAt": "2026-10-24T01:58:25.636Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": "cpufreq: Fix hotplug-suspend race during reboot",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\ncpufreq: Fix hotplug-suspend race during reboot\n\nDuring system reboot, cpufreq_suspend() is called via the\nkernel_restart() -> device_shutdown() path. Unlike the normal system\nsuspend path, the reboot path does not call freeze_processes(), so\nuserspace processes and kernel threads remain active.\n\nThis allows CPU hotplug operations to run concurrently with\ncpufreq_suspend(). The original code has no synchronization with CPU\nhotplug, leading to a race condition where governor_data can be freed\nby the hotplug path while cpufreq_suspend() is still accessing it,\nresulting in a null pointer dereference:\n\n  Unable to handle kernel NULL pointer dereference\n  Call Trace:\n   do_kernel_fault+0x28/0x3c\n   cpufreq_suspend+0xdc/0x160\n   device_shutdown+0x18/0x200\n   kernel_restart+0x40/0x80\n   arm64_sys_reboot+0x1b0/0x200\n\nFix this by adding cpus_read_lock()/cpus_read_unlock() to\ncpufreq_suspend() to block CPU hotplug operations while suspend is in\nprogress.\n\n[ rjw: Changelog edits ]",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "65650b35133ff20f0c9ef0abd5c3c66dbce3ae57",
              "status": "affected",
              "versionType": "git",
              "lessThan": "6d5dd354c37abaf4d60400c55c71f23ba2b33639"
            },
            {
              "version": "65650b35133ff20f0c9ef0abd5c3c66dbce3ae57",
              "status": "affected",
              "versionType": "git",
              "lessThan": "9103078c7b3091a2fbb52af176f95982ee7dd7f8"
            },
            {
              "version": "65650b35133ff20f0c9ef0abd5c3c66dbce3ae57",
              "status": "affected",
              "versionType": "git",
              "lessThan": "cd4524ff6567fa4458a5bec4b017105e671d393e"
            },
            {
              "version": "65650b35133ff20f0c9ef0abd5c3c66dbce3ae57",
              "status": "affected",
              "versionType": "git",
              "lessThan": "73255d702c7560185fd5951aadcf7eb057c2f453"
            },
            {
              "version": "65650b35133ff20f0c9ef0abd5c3c66dbce3ae57",
              "status": "affected",
              "versionType": "git",
              "lessThan": "a0ef2fc89d28ca62923376c4b8ffaa57136a36be"
            },
            {
              "version": "65650b35133ff20f0c9ef0abd5c3c66dbce3ae57",
              "status": "affected",
              "versionType": "git",
              "lessThan": "6e175c00c62dca3d91b987015808b5d52e8db2b4"
            },
            {
              "version": "65650b35133ff20f0c9ef0abd5c3c66dbce3ae57",
              "status": "affected",
              "versionType": "git",
              "lessThan": "a0106b41f9a724868d390b8b3b4ea5ca0e04ea53"
            },
            {
              "version": "65650b35133ff20f0c9ef0abd5c3c66dbce3ae57",
              "status": "affected",
              "versionType": "git",
              "lessThan": "a9029dd55696c651ee46912afa2a166fa456bb3e"
            },
            {
              "version": "8bfa06ea6e81bf08d2132d7e70c2b5313b34caf8",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "7ccf3b8b7a12dc9da158c2e699c36d04b2496944",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "5f466713989250938624afa79dc33bae20920700",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "89ab39da1452d272007acc5912d4008047b86706",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "cb4b4601f910c78d2b49f637a12ef98b41cb76a9",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "4.4.198",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "4.5"
            },
            {
              "version": "4.9.198",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "4.10"
            },
            {
              "version": "4.14.151",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "4.15"
            },
            {
              "version": "4.19.81",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "4.20"
            },
            {
              "version": "5.3.8",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "5.4"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.4",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.4"
            },
            {
              "version": "5.10.261",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.212",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.178",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.145",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.96",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.39",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "7.1.4",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "7.1.*"
            },
            {
              "version": "7.2",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}