CVE-2023-39197 MEDIUM

CVE-2023-39197: Kernel: dccp: conntrack out-of-bounds read in nf_conntrack_dccp_packet()

Vendor Red Hat
Product Red Hat Enterprise Linux 6
Weakness CWE-125
Published January 23, 2024
Last update November 20, 2025

CVSS base score

4.0/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality Low
Integrity None

CVSS vector

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

What the vulnerability does

01Description

An out-of-bounds read vulnerability was found in Netfilter Connection Tracking (conntrack) in the Linux kernel. This flaw allows a remote user to disclose sensitive information via the DCCP protocol.

Key dates

02Disclosure timeline

January 23, 2024 CVE published
November 20, 2025 Record updated