CVE Database›CVE-2024-50256

CVE-2024-50256

kernel: netfilter: nf_reject_ipv6: fix potential crash in nf_send_reset6()

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · November 9, 2024

Updated · October 29, 2026

Description

A flaw was found in the Linux kernel's netfilter component, specifically within the nf_reject_ipv6 module. This vulnerability arises when the system attempts to process an IPv6 packet where the network device's header length is unexpectedly zero, leading to a kernel crash. A remote attacker could exploit this flaw by sending a specially crafted IPv6 packet, resulting in a Denial of Service (DoS) on the affected system.

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