CVE-2023-7192 MEDIUM

CVE-2023-7192: Kernel: refcount leak in ctnetlink_create_conntrack()

Vendor Red Hat
Product Red Hat Enterprise Linux 6
Weakness CWE-401
Published January 2, 2024
Last update November 20, 2025
View on NVD All CVEs

CVSS base score

5.5/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

A memory leak problem was found in ctnetlink_create_conntrack in net/netfilter/nf_conntrack_netlink.c in the Linux Kernel. This issue may allow a local attacker with CAP_NET_ADMIN privileges to cause a denial of service (DoS) attack due to a refcount overflow.

Key dates

02Disclosure timeline

January 2, 2024 CVE published
November 20, 2025 Record updated