CVE Database
/

CVE-2023-54034

Back to search

CVE-2023-54034

Published: Dec 24, 2025

Modified: May 11, 2026

PUBLISHED

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.

VendorProductVersions

Linux

Linux

affected
d624d6652a65ad4f47a58b8651a1ec1163bb81d3 - < 7adcec686e4d699c169d34c722132b2bce5232cb
affected
d624d6652a65ad4f47a58b8651a1ec1163bb81d3 - < b3551ead616318ea155558cdbe7e91495b8d9b33

Linux

Linux

affected
6.2
unaffected
0 - < 6.2
unaffected
6.2.3 - <= 6.2.*
unaffected
6.3 - <= *

Security Training

Train your team to recognize and prevent security threats with our comprehensive security awareness program.

Start Training

Vulnerability Scanning

Discover vulnerabilities in your applications and infrastructure before attackers do.

Scan Now