{
  "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-2026-74331",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-74331",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-08-15T05:58:24.420Z",
    "updatedAt": "2026-08-17T05:17:22.413Z",
    "importedAt": "2026-10-24T01:58:30.346Z",
    "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": "firmware_loader: Fix recursive lock in device_cache_fw_images()",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nfirmware_loader: Fix recursive lock in device_cache_fw_images()\n\nA recursive locking deadlock can occur in the firmware loader's power\nmanagement notification handler.\n\nDuring system suspend or hibernation preparation, fw_pm_notify() calls\ndevice_cache_fw_images(). This function acquires fw_lock to set the\nfirmware cache state to FW_LOADER_START_CACHE and then iterates over all\ndevices using dpm_for_each_dev() while still holding the lock.\n\nFor each device, dev_cache_fw_image() schedules asynchronous work to cache\nthe firmware. If memory allocation for the async work entry fails (e.g., in\nout-of-memory conditions), async_schedule_node_domain() falls back to\nexecuting the work function synchronously in the current thread.\n\nThe synchronous execution path (__async_dev_cache_fw_image() ->\ncache_firmware() -> request_firmware() -> assign_fw()) attempts to acquire\nfw_lock again. Since the current thread already holds fw_lock, this results\nin a recursive locking deadlock.\n\nFix this by releasing fw_lock immediately after updating the cache state\nand before calling dpm_for_each_dev(). The lock is only needed to protect\nthe state update. Concurrent firmware requests will correctly see the\nFW_LOADER_START_CACHE state and use the piggyback mechanism, which is\nindependently protected by its own fwc->name_lock.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "ac39b3ea73aacde876d1d5ee1ca3e2719f771482",
              "status": "affected",
              "versionType": "git",
              "lessThan": "806cb8fabfde7f830da5ae87777d52fdf50c4774"
            },
            {
              "version": "ac39b3ea73aacde876d1d5ee1ca3e2719f771482",
              "status": "affected",
              "versionType": "git",
              "lessThan": "7865a1bfd20d10c03b083a5fc392d907ca5099b3"
            },
            {
              "version": "ac39b3ea73aacde876d1d5ee1ca3e2719f771482",
              "status": "affected",
              "versionType": "git",
              "lessThan": "490b0385e4cfac691f7b18dde821c13e77b4770b"
            },
            {
              "version": "ac39b3ea73aacde876d1d5ee1ca3e2719f771482",
              "status": "affected",
              "versionType": "git",
              "lessThan": "38149b57427c736c08d9aa4c7b87deacd53e9e63"
            },
            {
              "version": "ac39b3ea73aacde876d1d5ee1ca3e2719f771482",
              "status": "affected",
              "versionType": "git",
              "lessThan": "a5b2a68a391b05d54552f13548a72a46c65006f7"
            },
            {
              "version": "ac39b3ea73aacde876d1d5ee1ca3e2719f771482",
              "status": "affected",
              "versionType": "git",
              "lessThan": "f25d6e4ec4c257030592bd671f113cf9584c52f0"
            },
            {
              "version": "ac39b3ea73aacde876d1d5ee1ca3e2719f771482",
              "status": "affected",
              "versionType": "git",
              "lessThan": "c0f2dedd41fe14dbe076c1672214802fb42cd8c8"
            },
            {
              "version": "ac39b3ea73aacde876d1d5ee1ca3e2719f771482",
              "status": "affected",
              "versionType": "git",
              "lessThan": "d3ec78f8f8d48a04a9fac38d47275c34645e5103"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "3.7",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "3.7"
            },
            {
              "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": "6.12.97",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "version": "6.18.40",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "version": "7.1.5",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "7.1.*"
            },
            {
              "version": "7.2",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}