x86/speculation: Fill RSB on vmexit for IBRS
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.15.57 by commit 8d5cff499a6d740c91ff37963907e0e983c37f0f. For more details please see the references link.