CVE-2024-0639 MEDIUM

CVE-2024-0639: Kernel: potential deadlock on &net->sctp.addr_wq_lock leading to dos

Vendor Red Hat
Product Red Hat Enterprise Linux 6
Weakness CWE-833
Published January 17, 2024
Last update November 20, 2025

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 denial of service vulnerability due to a deadlock was found in sctp_auto_asconf_init in net/sctp/socket.c in the Linux kernel’s SCTP subsystem. This flaw allows guests with local user privileges to trigger a deadlock and potentially crash the system.

Key dates

02Disclosure timeline

January 17, 2024 CVE published
November 20, 2025 Record updated