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XCCDF
Guide to the Secure Configuration of Red Hat Enterprise Linux 9
System Settings
zIPL bootloader configuration
Disable vsyscalls in zIPL
Disable vsyscalls in zIPL
An XCCDF Rule
Details
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Disable vsyscalls in zIPL
Medium Severity
To disable use of virtual syscalls, check that all boot entries in
/boot/loader/entries/*.conf
have
vsyscall=none
included in its options.
To ensure that new kernels and boot entries continue to disable virtual syscalls, add
vsyscall=none
to
/etc/kernel/cmdline
.