CVE-2024-0639: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

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.

Affected products

• Linux Linux Kernel: up to and including 6.4.16
• Red Hat Enterprise Linux: version 8.0 only; version 9.0 only

Published 2024-01-17. Last modified 2026-07-21.