default or selected kernelversion does not have config value CONFIG_PAGE_TABLE_ISOLATION.
Result is shown for kernelversion 6.9.9
Remove the kernel mapping in user mode
modulename: pti.ko
configname: CONFIG_PAGE_TABLE_ISOLATION
Linux Kernel Configuration
└─>Security options
└─>Remove the kernel mapping in user mode
In linux kernel since version 3.10 (release Date: 2013-06-30)
This feature reduces the number of hardware side channels by
ensuring that the majority of kernel addresses are not mapped
into userspace.
See Documentation/x86/pti.txt for more details.
ensuring that the majority of kernel addresses are not mapped
into userspace.
See Documentation/x86/pti.txt for more details.