Updating to RHEL7.9 changes kernel.kptr_restrict value
Issue
- When updating from a lower version of RHEL7 to RHEL7.9, the value of kernel parameter
kernel.kptr_restrictis changed from0to1. - A lower version of RHEL7
# sysctl kernel.kptr_restrict
kernel.kptr_restrict = 0
- RHEL7.9
# sysctl kernel.kptr_restrict
kernel.kptr_restrict = 1
Environment
- Red Hat Enterprise Linux 7
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