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CVE-2023-54034 iommufd: Make sure to zero vfio_iommu_type1_info before copying to user

🗓️ 24 Dec 2025 10:56:01Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 24 Views

Linux kernel fix for iommufd: zero vfio_iommu_type1_info before copying to user to cover padding.

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24 Dec 202500:00
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24 Dec 202510:56
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24 Dec 202510:56
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24 Dec 202512:30
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24 Dec 202511:15
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OSV
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26 Dec 202506:06
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OSV
CVE-2023-54034 iommufd: Make sure to zero vfio_iommu_type1_info before copying to user
24 Dec 202510:56
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OSV
RHSA-2023:6583 Red Hat Security Advisory: kernel security, bug fix, and enhancement update
16 Sep 202411:04
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24 Dec 202511:15
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Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/iommu/iommufd/vfio_compat.c"
    ],
    "versions": [
      {
        "version": "d624d6652a65ad4f47a58b8651a1ec1163bb81d3",
        "lessThan": "7adcec686e4d699c169d34c722132b2bce5232cb",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d624d6652a65ad4f47a58b8651a1ec1163bb81d3",
        "lessThan": "b3551ead616318ea155558cdbe7e91495b8d9b33",
        "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/vfio_compat.c"
    ],
    "versions": [
      {
        "version": "6.2",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.2",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.2.3",
        "lessThanOrEqual": "6.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.3",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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