CVE-2026-43226

A flaw was found in the Linux kernel's Reliable Datagram Sockets (RDS) component. Due to an incorrect state transition, an RDS connection can bypass its expected shutdown process. This can lead to the connection becoming permanently stuck in a shutdown-queued state, potentially causing a denial of service by preventing further connection handling.

Red Hat acknowledges the upstream Linux kernel correction for «net/rds» as described in COMMENT_ZERO. Fixes are delivered through standard kernel errata for supported products. Operational exposure depends on whether this subsystem or driver is active in your configuration.

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 the rds module from being loaded. See https://access.redhat.com/solutions/41278 for instructions.