kva_speculative_info

Display kernel virtual address and speculative execution information for the system.

Platform support

Please be aware that some queries can only be run against certain platforms. Below is a list of the supported platforms that this query supports. Zercurity will automatically pause queries from running if errors are detected. Running a query against an unsupported platform will result in the following error: no such table: kva_speculative_info

  • Windows

Table schema

Name

Type

Description

kva_shadow_enabled

INTEGER

Kernel Virtual Address shadowing is enabled.

kva_shadow_user_global

INTEGER

User pages are marked as global.

kva_shadow_pcid

INTEGER

Kernel VA PCID flushing optimization is enabled.

kva_shadow_inv_pcid

INTEGER

Kernel VA INVPCID is enabled.

bp_mitigations

INTEGER

Branch Prediction mitigations are enabled.

bp_system_pol_disabled

INTEGER

Branch Predictions are disabled via system policy.

bp_microcode_disabled

INTEGER

Branch Predictions are disabled due to lack of microcode update.

cpu_spec_ctrl_supported

INTEGER

SPEC_CTRL MSR supported by CPU Microcode.

ibrs_support_enabled

INTEGER

Windows uses IBRS.

stibp_support_enabled

INTEGER

Windows uses STIBP.

cpu_pred_cmd_supported

INTEGER

PRED_CMD MSR supported by CPU Microcode.

Query examples

select * from kva_speculative_info