CVE Database›Document archive›CVE-2023-52991

CVE-2023-52991

kernel: net: fix NULL pointer in skb_segment_list

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · March 27, 2025

Updated · July 22, 2026

Description

A flaw was found in the Linux kernel's net subsystem. A NULL pointer dereference can be triggered when a specific sequence of network events occurs due to an improper check, 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

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

CWE-476 · NULL Pointer Dereference