{
  "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-2022-49536",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2022-49536",
    "idYear": 2022,
    "status": "PUBLISHED",
    "publishedAt": "2025-02-26T02:13:54.014Z",
    "updatedAt": "2026-05-11T19:01:49.996Z",
    "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": "scsi: lpfc: Fix SCSI I/O completion and abort handler deadlock",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: lpfc: Fix SCSI I/O completion and abort handler deadlock\n\nDuring stress I/O tests with 500+ vports, hard LOCKUP call traces are\nobserved.\n\nCPU A:\n native_queued_spin_lock_slowpath+0x192\n _raw_spin_lock_irqsave+0x32\n lpfc_handle_fcp_err+0x4c6\n lpfc_fcp_io_cmd_wqe_cmpl+0x964\n lpfc_sli4_fp_handle_cqe+0x266\n __lpfc_sli4_process_cq+0x105\n __lpfc_sli4_hba_process_cq+0x3c\n lpfc_cq_poll_hdler+0x16\n irq_poll_softirq+0x76\n __softirqentry_text_start+0xe4\n irq_exit+0xf7\n do_IRQ+0x7f\n\nCPU B:\n native_queued_spin_lock_slowpath+0x5b\n _raw_spin_lock+0x1c\n lpfc_abort_handler+0x13e\n scmd_eh_abort_handler+0x85\n process_one_work+0x1a7\n worker_thread+0x30\n kthread+0x112\n ret_from_fork+0x1f\n\nDiagram of lockup:\n\nCPUA                            CPUB\n----                            ----\nlpfc_cmd->buf_lock\n                            phba->hbalock\n                            lpfc_cmd->buf_lock\nphba->hbalock\n\nFix by reordering the taking of the lpfc_cmd->buf_lock and phba->hbalock in\nlpfc_abort_handler routine so that it tries to take the lpfc_cmd->buf_lock\nfirst before phba->hbalock.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "c2017260eea2db62e7bb1b7cbb1759f1d11ed067",
              "status": "affected",
              "versionType": "git",
              "lessThan": "7625e81de2164a082810e1f27547d388406da610"
            },
            {
              "version": "c2017260eea2db62e7bb1b7cbb1759f1d11ed067",
              "status": "affected",
              "versionType": "git",
              "lessThan": "21c0d469349957b5dc811c41200a2a998996ca8d"
            },
            {
              "version": "c2017260eea2db62e7bb1b7cbb1759f1d11ed067",
              "status": "affected",
              "versionType": "git",
              "lessThan": "0c4eed901285b9cae36a622f32bea3e92490da6c"
            },
            {
              "version": "c2017260eea2db62e7bb1b7cbb1759f1d11ed067",
              "status": "affected",
              "versionType": "git",
              "lessThan": "03cbbd7c2f5ee288f648f4aeedc765a181188553"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.1",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.1"
            },
            {
              "version": "5.15.46",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "5.17.14",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.17.*"
            },
            {
              "version": "5.18.3",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.18.*"
            },
            {
              "version": "5.19",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}