Linux Kernel Vulnerability in SMB Server Component

CVE-2025-39692

What is CVE-2025-39692?

In the Linux kernel, a vulnerability has been identified within the SMB server component. The issue arises during the process of cleaning up resources associated with the ksmbd_rdma functionality. If the termination sequence is disrupted, existing connections may inadvertently access a NULL pointer. This flaw can potentially lead to server instability, affecting data integrity and availability. Proper sequence control in resource management is critical to prevent such unauthorized access and ensure the stability of the network operations.

References