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XCCDF
Guide to the Secure Configuration of Red Hat Enterprise Linux 9
System Settings
zIPL bootloader configuration
Enable randomization of the page allocator in zIPL
Enable randomization of the page allocator in zIPL
An XCCDF Rule
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Enable randomization of the page allocator in zIPL
Medium Severity
To enable the randomization of the page allocator in the kernel, check that all boot entries in
/boot/loader/entries/*.conf
have
page_alloc.shuffle=1
included in its options.
To enable randomization of the page allocator also for newly installed kernels, add
page_alloc.shuffle=1
to
/etc/kernel/cmdline
.