Reference Count Leak in Linux Kernel's RXRPC Server Keyring

CVE-2026-31634

What is CVE-2026-31634?

A vulnerability in the Linux Kernel related to the RXRPC server has been patched to address a reference count leak. When checking the rxrpc_server_keyring(), it was identified that the reference count could potentially leak if the rx->securities attribute was already set. The fix ensures proper management of reference counting in this context, enhancing the security of the RXRPC server implementation. This patch is critical for maintaining stable and secure operations within affected versions of the Linux Kernel.

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