A denial of service vulnerability due to a deadlock was identified in the sctp_auto_asconf_init function within the Linux kernel's SCTP subsystem. This flaw allows local users with limited privileges to trigger a deadlock, potentially causing the system to crash. The vulnerability has been assigned CVE-2024-0639 and is rated as medium severity. Red Hat has released kernel updates addressing this issue in Red Hat Enterprise Linux 9 and its variants. Applying the update and rebooting the system mitigates the vulnerability.