CVE-2023-53050

kernel: thunderbolt: Fix memory leak in margining

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · May 2, 2025

Updated · July 22, 2026

Description

A flaw was found in the Thunderbolt module in the Linux kernel. The missing release of memory allocated for the margining for the upstream port of the router can cause a memory leak, potentially impacting system stability and resulting in a denial of service.

Statement

This issue has been fixed in Red Hat Enterprise Linux 8.9 and 9.3 via RHSA-2023:7077 [1] and RHSA-2023:6583 [2], respectively.

[1]. https://access.redhat.com/errata/RHSA-2023:7077

[2]. https://access.redhat.com/errata/RHSA-2023:6583

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

CWE-401 · Missing Release of Memory after Effective Lifetime