{"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": "2025-12-24T10:56:01.509Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-12-24T10:56:01.509Z"}, "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"}}}}

{}

{"cveTags": [], "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."}], "id": "CVE-2023-54034", "lastModified": "2025-12-29T15:58:56.260", "metrics": {}, "published": "2025-12-24T11:15:56.397", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7adcec686e4d699c169d34c722132b2bce5232cb"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b3551ead616318ea155558cdbe7e91495b8d9b33"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: iommufd: Make sure to zero vfio_iommu_type1_info before copying to user", "id": "2424929", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2424929"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\niommufd: Make sure to zero vfio_iommu_type1_info before copying to user\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."], "name": "CVE-2023-54034", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-12-24T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-54034\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-54034\nhttps://lore.kernel.org/linux-cve-announce/2025122438-CVE-2023-54034-3089@gregkh/T"], "threat_severity": "Moderate"}