CVE-2023-54215
Unknown Unknown - Not Provided
Memory Leak in Linux virtio-vdpa cpumask Allocation Fixed

Publication date: 2025-12-30

Last updated on: 2025-12-30

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: virtio-vdpa: Fix cpumask memory leak in virtio_vdpa_find_vqs() Free the cpumask allocated by create_affinity_masks() before returning from the function.
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Meta Information
Published
2025-12-30
Last Modified
2025-12-30
Generated
2026-06-16
AI Q&A
2025-12-30
EPSS Evaluated
2026-06-14
NVD
CVE-2023-54215
EUVD
EUVD-2023-60426
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
linux linux_kernel *
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Exploitability
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KEV
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CWE ID Description
CWE-UNKNOWN
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Executive Summary

This vulnerability is a memory leak in the Linux kernel's virtio-vdpa component. Specifically, the cpumask allocated by the function create_affinity_masks() was not freed properly in the function virtio_vdpa_find_vqs(), leading to a memory leak. The issue has been fixed by ensuring the cpumask is freed before the function returns.

Impact Analysis

The memory leak caused by this vulnerability could lead to increased memory usage over time, potentially degrading system performance or causing resource exhaustion in environments using virtio-vdpa in the Linux kernel.

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