CVE-2026-43373

A flaw was found in the Linux kernel, specifically within the Network Controller Sideband Interface (NCSI) subsystem. This vulnerability occurs in the NCSI RX and Asynchronous Event Notification (AEN) handlers, where early return paths fail to release received socket buffers (skb) when processing invalid packets or failing to resolve NCSI devices or handlers. This oversight can lead to a memory leak, potentially resulting in a Denial of Service (DoS) condition for the affected system.