CVE-2023-53482

Updated on 01 Oct 2025

Severity

5.5 Medium severity

Details

CVSS score
5.5
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Overview

About vulnerability

In the Linux kernel, the following vulnerability has been resolved:

iommu: Fix error unwind in iommu_group_alloc()

If either iommu_group_grate_file() fails then the iommu_group is leaked.

Destroy it on these error paths.

Found by kselftest/iommu/iommufd_fail_nth

Details

Affected packages:
kernel @ 4.18.0 (+8 more)

In the Linux kernel, the following vulnerability has been resolved:

iommu: Fix error unwind in iommu_group_alloc()

If either iommu_group_grate_file() fails then the iommu_group is leaked.

Destroy it on these error paths.

Found by kselftest/iommu/iommufd_fail_nth

Fixes