CVE-2023-52587

A hard lockup flaw was found in the Linux kernel’s IPoIB driver in how a user triggers the ipoib_mcast_join_task() function, caused by invalid priv->multicast_list locking. This flaw allows a local user to crash the system.

Red Hat Enterprise Linux 9 is not affected by this vulnerability.

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

To mitigate this issue, prevent module ib_core from being loaded. Please see https://access.redhat.com/solutions/41278 for information on blacklisting a kernel module to prevent it from loading automatically.