CVE-2023-54034

medium

Description

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.

References

https://git.kernel.org/stable/c/b3551ead616318ea155558cdbe7e91495b8d9b33

https://git.kernel.org/stable/c/7adcec686e4d699c169d34c722132b2bce5232cb

Details

Source: Mitre, NVD

Published: 2025-12-24

Updated: 2025-12-24

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Severity: Medium

EPSS

EPSS: 0.00018