Linux NFS Control File Can Reach Freed Kernel Memory

A program can keep a Linux file open even after the separate networking environment behind it has started shutting down. That environment is called a network namespace. A SUNRPC patch posted on Sep 7, 2026 describes that exact failure in the /proc/net/rpc/use-gss-proxy control used by Linux remote procedure call (RPC) servers, including Network File System (NFS), which lets computers access files over a network.LinuxSecurity – Security ArticlesRead More