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CVE-2024-42284

kernel: tipc: Return non-zero value from tipc_udp_addr2str() on error

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Severity

Moderate

Red Hat Product Security

7.3

CVSS 3.1

Review impact separately from score.

Published · August 17, 2024

Updated · August 5, 2026

Description

A flaw was found in Linux kernel tipc. tipc_udp_addr2str() does not return a nonzero value when UDP media address is invalid, which can result in a buffer overflow in tipc_media_addr_printf().

Statement

This vulnerability exists in the kernel's TIPC networking code. This functionality is typically only used for low-latency interprocess communication between nodes in a cluster computer. Additionally, an attacker must be able to create a UDP connection with an invalid address. Since this vulnerability is only applicable to systems using TIPC and exploitation requires an attacker to already have significant privileges on the target system, Red Hat assesses this flaw as having Moderate impact.

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 · 7.3
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H

CWE-393 · Return of Wrong Status Code