CVE Database›Document archive›CVE-2023-52487

CVE-2023-52487

kernel: net/mlx5e: Fix peer flow lists handling

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Severity

Moderate

Red Hat Product Security

4.4

CVSS 3.1

Review impact separately from score.

Published · February 29, 2024

Updated · November 21, 2025

Description

A NULL pointer dereference flaw was found in the Linux kernel, which affects the net/mlx5e component and may occur when a peer flow is not removed from the peer flows list because a concurrent user holds a reference to it. This can cause a NULL pointer dereference when attempting to remove the flow from eswitch instances.

Statement

Red Hat Enterprise Linux 8 is not affected by this vulnerability.

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

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

CVSS / CWE

CVSS 3.1 · 4.4
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

CWE-476 · NULL Pointer Dereference