kernel security, bug fix, and enhancement update

5.14.0-284.30.0.12.OL9 - x86/tsx: Add a feature bit for TSX control MSR support CVE-2023-1637 - x86/speculation: Restore speculation related MSRs CVE-2023-1637 - x86/pm: Save the MSR validity status at context setup CVE-2023-1637 - x86/pm: Fix false positive kmemleak report in msrbuildcontext...

Kernel: KVM: export MSR_IA32_TSX_CTRL to guest - incomplete fix for TAA (CVE-2019-11135)

A flaw was found in the fix for CVE-2019-11135, the way Intel CPUs handle speculative execution of instructions when a TSX Asynchronous Abort TAA error occurs. When a guest is running on a host CPU affected by the TAA flaw TAANO=0, but is not affected by the MDS issue MDSNO=1, the guest was to...