CVE Database›Document archive›CVE-2023-52527

CVE-2023-52527

kernel: ipv4, ipv6: Fix handling of transhdrlen in __ip{,6}_append_data()

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Severity

Moderate

Red Hat Product Security

5.3

CVSS 3.1

Review impact separately from score.

Published · March 2, 2024

Updated · November 21, 2025

Description

A flaw was found in of the Linux kernel's lt2p component, where the transport header length is erroneously included when appending data to IPv4 and IPv6 packets, specifically in situations where the packet is already partially filled, potentially affecting the stability of network operations.

Statement

Red Hat Enterprise Linux 8 and 9 are 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 · 5.3
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

CWE-20 · Improper Input Validation