PT-2024-11434 · Linux+2 · Linux Kernel+2

Published

2021-08-15

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Updated

2025-01-07

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CVE-2021-47438

CVSS v3.1

5.5

Medium

VectorAV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)
Description A memory leak vulnerability has been resolved in the Linux kernel. The issue occurred in the net/mlx5e module, specifically in the mlx5 core destroy cq() function. When this function failed, it would return without completing all destroy operations, leading to a memory leak. The patch completes the destroy flow before returning an error and moves mlx5 debug cq remove() to the beginning of mlx5 core destroy cq() for symmetry with mlx5 core create cq(). The kmemleak tool complained about an unreferenced object, indicating a memory leak.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Memory Leak

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Weakness Enumeration

Related Identifiers

BDU:2025-04384
CVE-2021-47438
OESA-2024-1692
OPENSUSE-SU-2024_2189-1
SUSE-SU-2024:2008-1
SUSE-SU-2024:2011-1
SUSE-SU-2024:2019-1
SUSE-SU-2024:2189-1
SUSE-SU-2024:2190-1
SUSE-SU-2024:2493-1
SUSE-SU-2024:2561-1
SUSE-SU-2024:2901-1
SUSE-SU-2024:2940-1

Affected Products

Astra Linux
Linux Kernel
Suse