Linux Kernel Vulnerability Related to RXRPC Call Management

CVE-2026-74432

What is CVE-2026-74432?

A vulnerability in the Linux kernel's RXRPC implementation allows the rxrpc_recvmsg() function to improperly manage memory references. When MSG_PEEK is used, the function fails to release a reference on calls that had already been released, leading to potential memory leaks. This may affect system stability and resource management.

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