CVE-2024-56742

kernel: vfio/mlx5: Fix an unwind issue in mlx5vf_add_migration_pages()

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Severity

Low

Red Hat Product Security

6.1

CVSS 3.1

Review impact separately from score.

Published · December 29, 2024

Updated · November 21, 2025

Description

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

vfio/mlx5: Fix an unwind issue in mlx5vf_add_migration_pages()

Fix an unwind issue in mlx5vf_add_migration_pages().

If a set of pages is allocated but fails to be added to the SG table, they need to be freed to prevent a memory leak.

Any pages successfully added to the SG table will be freed as part of mlx5vf_free_data_buffer().

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 6.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H

CWE-401 · Missing Release of Memory after Effective Lifetime