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CVE-2026-43448 nvme-pci: Fix race bug in nvme_poll_irqdisable()

🗓️ 08 May 2026 14:22:14Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 24 Views

Fix race in nvme_poll_irqdisable causing unbalanced IRQ enable due to pdev disable between steps.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/nvme/host/pci.c"
    ],
    "versions": [
      {
        "version": "fa059b856a593a7bddd4d3779ae8ab1380e05d91",
        "lessThan": "265dbc9bc33c29f60f90be3e0afe1c4067ebb70b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fa059b856a593a7bddd4d3779ae8ab1380e05d91",
        "lessThan": "628773eba024d1107cc9ec157a682cbb42ac912a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fa059b856a593a7bddd4d3779ae8ab1380e05d91",
        "lessThan": "843e913cef4e33723663a899727f685a95ab53fe",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fa059b856a593a7bddd4d3779ae8ab1380e05d91",
        "lessThan": "b56c49897bdac5cb49e3495ef421c391628ee9bb",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fa059b856a593a7bddd4d3779ae8ab1380e05d91",
        "lessThan": "e311d84c62eb76e025e11a44155b402e55950b83",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fa059b856a593a7bddd4d3779ae8ab1380e05d91",
        "lessThan": "fc71f409b22ca831a9f87a2712eaa09ef2bb4a5e",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/nvme/host/pci.c"
    ],
    "versions": [
      {
        "version": "5.7",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.7",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.167",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.130",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.78",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.19",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.9",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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