CVE-2024-27018
kernel: netfilter: br_netfilter: skip conntrack input hook for promisc packets
Severity
ModerateRed Hat Product Security
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 · 5.5CVSS: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