{
  "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-2026-31480",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-31480",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-04-22T13:54:07.566Z",
    "updatedAt": "2026-05-11T22:09:32.978Z",
    "importedAt": "2026-10-24T01:58:02.025Z",
    "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": "tracing: Fix potential deadlock in cpu hotplug with osnoise",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\ntracing: Fix potential deadlock in cpu hotplug with osnoise\n\nThe following sequence may leads deadlock in cpu hotplug:\n\n    task1        task2        task3\n    -----        -----        -----\n\n mutex_lock(&interface_lock)\n\n            [CPU GOING OFFLINE]\n\n            cpus_write_lock();\n            osnoise_cpu_die();\n              kthread_stop(task3);\n                wait_for_completion();\n\n                      osnoise_sleep();\n                        mutex_lock(&interface_lock);\n\n cpus_read_lock();\n\n [DEAD LOCK]\n\nFix by swap the order of cpus_read_lock() and mutex_lock(&interface_lock).",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "bce29ac9ce0bb0b0b146b687ab978378c21e9078",
              "status": "affected",
              "versionType": "git",
              "lessThan": "cf929c21eeed5bd39873fb14bfdfff963fa6f1da"
            },
            {
              "version": "bce29ac9ce0bb0b0b146b687ab978378c21e9078",
              "status": "affected",
              "versionType": "git",
              "lessThan": "7aa095ce7d224308cb6979956f0de8607df93d4f"
            },
            {
              "version": "bce29ac9ce0bb0b0b146b687ab978378c21e9078",
              "status": "affected",
              "versionType": "git",
              "lessThan": "ef41a85a55022e27cdaebf22a6676910b66f65aa"
            },
            {
              "version": "bce29ac9ce0bb0b0b146b687ab978378c21e9078",
              "status": "affected",
              "versionType": "git",
              "lessThan": "03474a01c199de17a8e2d39b51df6beb9c76e831"
            },
            {
              "version": "bce29ac9ce0bb0b0b146b687ab978378c21e9078",
              "status": "affected",
              "versionType": "git",
              "lessThan": "f278b8ebf7eba2a1699cfc7bf30dd3ef898d60d7"
            },
            {
              "version": "bce29ac9ce0bb0b0b146b687ab978378c21e9078",
              "status": "affected",
              "versionType": "git",
              "lessThan": "7a41d4633cd2c15eb5ed31e8f3b16910e50a8c9f"
            },
            {
              "version": "bce29ac9ce0bb0b0b146b687ab978378c21e9078",
              "status": "affected",
              "versionType": "git",
              "lessThan": "1f9885732248d22f788e4992c739a98c88ab8a55"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.14",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.14"
            },
            {
              "version": "5.15.203",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.168",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.6.131",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "version": "6.12.80",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.21",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "6.19.11",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.19.*"
            },
            {
              "version": "7.0",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}