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CVE-2026-64290 iommufd: Break the loop on failure in iommufd_fault_fops_read()

🗓️ 25 Jul 2026 08:49:30Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 44 Views

Fixed loop spin on copy_to_user failure in fault read; outer loop breaks when failure is detected.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/iommu/iommufd/eventq.c"
    ],
    "versions": [
      {
        "version": "07838f7fd529c8a6de44b601d4b7057e6c8d36ed",
        "lessThan": "a38e0714affc5c0bbb40cba5a65d6d32a5e72a71",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "07838f7fd529c8a6de44b601d4b7057e6c8d36ed",
        "lessThan": "5539da127d03c1f6c2e2a49fdfbe331a0ccbdea8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "07838f7fd529c8a6de44b601d4b7057e6c8d36ed",
        "lessThan": "f66c16b175509642ee7082df57c9bf3deaebae1a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "07838f7fd529c8a6de44b601d4b7057e6c8d36ed",
        "lessThan": "172fc8b19825a0f5884c38f2289188284e2d45ee",
        "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/iommu/iommufd/eventq.c"
    ],
    "versions": [
      {
        "version": "6.11",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.11",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.101",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.39",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.4",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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17 Aug 2026 04:52Current
EPSS0.00159
44