In Java Enterprise (J2EE) environments, specifically JBoss, "RAR" refers to a .
: Technical logs may display 52,487 INFO [RARDeployment] when deploying a resource adapter (like a mail adapter). 52487 rar
: The "52487" in this context is often a timestamp fragment or a sequence number in a log file (e.g., 10:35:52,487 ) rather than a feature of the RAR file itself. 3. File Archive Context If you are looking at a specific file named 52487.rar : In Java Enterprise (J2EE) environments
: The net/mlx5e driver (Mellanox technologies). 52487 rar
This is a documented security issue found in the Linux kernel, specifically related to how it handles peer flow lists in network drivers.