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CVE-2026-93822 PCI: iproc: Protect root bus removal with rescan lock

🗓️ 24 Sep 2026 16:03:00Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 46 Views

Linux kernel PCI iproc root bus removal race leads to use-after-free or system crashes.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/pci/controller/pcie-iproc.c"
    ],
    "versions": [
      {
        "version": "1fb37a8178da007cad75f48e2355b9dcb0711e06",
        "lessThan": "e7d9d7be2c1f8d434032983bc86a05805178c9c9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1fb37a8178da007cad75f48e2355b9dcb0711e06",
        "lessThan": "1618e374ba4c7117c04662422ef985e9d64e2466",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1fb37a8178da007cad75f48e2355b9dcb0711e06",
        "lessThan": "4e1d34d824050a4e700ca442f815a95d9f214b83",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1fb37a8178da007cad75f48e2355b9dcb0711e06",
        "lessThan": "aaf4153caed9f1760b9f266612b0599bfd97150c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1fb37a8178da007cad75f48e2355b9dcb0711e06",
        "lessThan": "bd2bf1e0d973c93fc1637b90cbb9a5a5f6884bd3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1fb37a8178da007cad75f48e2355b9dcb0711e06",
        "lessThan": "ee06aafc2d760a4ee023e0b2e95ce1ec71bddc6c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1fb37a8178da007cad75f48e2355b9dcb0711e06",
        "lessThan": "a6a64e150f12ad5391e0a0d60f6a3d119b06ce50",
        "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/pci/controller/pcie-iproc.c"
    ],
    "versions": [
      {
        "version": "4.1",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.1",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.271",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.222",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.189",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.158",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.111",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.53",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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03 Oct 2026 10:57Current
EPSS0.00173
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