CVE-2023-54034
iommufd: Make sure to zero vfio_iommu_type1_info before copying to user
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
In the Linux kernel, the following vulnerability has been resolved: iommufd: Make sure to zero vfio_iommu_type1_info before copying to user Missed a zero initialization here. Most of the struct is filled with a copy_from_user(), however minsz for that copy is smaller than the actual struct by 8 bytes, thus we don't fill the padding.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Dec 24, 2025 |
| Last Updated | May 11, 2026 |
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Affected Versions
Linux / Linux
d624d6652a65ad4f47a58b8651a1ec1163bb81d3 < 7adcec686e4d699c169d34c722132b2bce5232cb d624d6652a65ad4f47a58b8651a1ec1163bb81d3 < b3551ead616318ea155558cdbe7e91495b8d9b33
Linux / Linux
6.2