{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2023-54034",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-12-24T10:53:46.180Z",
        "datePublished": "2025-12-24T10:56:01.509Z",
        "dateUpdated": "2026-05-11T19:54:09.017Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:54:09.017Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\niommufd: Make sure to zero vfio_iommu_type1_info before copying to user\n\nMissed a zero initialization here. Most of the struct is filled with\na copy_from_user(), however minsz for that copy is smaller than the\nactual struct by 8 bytes, thus we don't fill the padding."
                }
            ],
            "affected": [
                {
                    "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"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.2",
                                    "versionEndExcluding": "6.2.3"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.2",
                                    "versionEndExcluding": "6.3"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/7adcec686e4d699c169d34c722132b2bce5232cb"
                },
                {
                    "url": "https://git.kernel.org/stable/c/b3551ead616318ea155558cdbe7e91495b8d9b33"
                }
            ],
            "title": "iommufd: Make sure to zero vfio_iommu_type1_info before copying to user",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}