{
  "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-2022-49229",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2022-49229",
    "idYear": 2022,
    "status": "PUBLISHED",
    "publishedAt": "2025-02-26T01:55:57.155Z",
    "updatedAt": "2026-05-11T18:55:38.756Z",
    "importedAt": "2026-10-24T01:56:49.724Z",
    "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": "ptp: unregister virtual clocks when unregistering physical clock.",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nptp: unregister virtual clocks when unregistering physical clock.\n\nWhen unregistering a physical clock which has some virtual clocks,\nunregister the virtual clocks with it.\n\nThis fixes the following oops, which can be triggered by unloading\na driver providing a PTP clock when it has enabled virtual clocks:\n\nBUG: unable to handle page fault for address: ffffffffc04fc4d8\nOops: 0000 [#1] PREEMPT SMP NOPTI\nRIP: 0010:ptp_vclock_read+0x31/0xb0\nCall Trace:\n timecounter_read+0xf/0x50\n ptp_vclock_refresh+0x2c/0x50\n ? ptp_clock_release+0x40/0x40\n ptp_aux_kworker+0x17/0x30\n kthread_worker_fn+0x9b/0x240\n ? kthread_should_park+0x30/0x30\n kthread+0xe2/0x110\n ? kthread_complete_and_exit+0x20/0x20\n ret_from_fork+0x22/0x30",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "73f37068d540eba5f93ba3a0019bf479d35ebd76",
              "status": "affected",
              "versionType": "git",
              "lessThan": "b2dea2a696d09163da4cd33cb598ce1f73e86597"
            },
            {
              "version": "73f37068d540eba5f93ba3a0019bf479d35ebd76",
              "status": "affected",
              "versionType": "git",
              "lessThan": "9c796a57cbb5daf124a665689f0b2bc9262e0ced"
            },
            {
              "version": "73f37068d540eba5f93ba3a0019bf479d35ebd76",
              "status": "affected",
              "versionType": "git",
              "lessThan": "c49eafe6249f844c26f9866886cc6719d81762df"
            },
            {
              "version": "73f37068d540eba5f93ba3a0019bf479d35ebd76",
              "status": "affected",
              "versionType": "git",
              "lessThan": "bfcbb76b0f595ea9ede9f7a218086fef85242f10"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.14",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.14"
            },
            {
              "version": "5.15.33",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "5.16.19",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.16.*"
            },
            {
              "version": "5.17.2",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.17.*"
            },
            {
              "version": "5.18",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}