CVE Database›Document archive›CVE-2024-27018

CVE-2024-27018

kernel: netfilter: br_netfilter: skip conntrack input hook for promisc packets

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · May 1, 2024

Updated · August 18, 2026

Description

A flaw was found in the Linux kernel's br_netfilter module. This vulnerability allows packets received on a promiscuous interface to bypass the connection tracking input hook. This bypass could lead to unexpected network behavior or violations of security policies, potentially allowing unauthorized network access or information exposure.

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

CWE-358 · Improperly Implemented Security Check for Standard