\" $NetBSD: paxctl.8,v 1.22 2023/08/21 00:41:49 dholland Exp $
\"
\" Copyright 2006 Elad Efrat <
[email protected]>
\" Copyright 2008 Christos Zoulas <
[email protected]>
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Dd August 20, 2023
Dt PAXCTL 8
Os
Sh NAME
Nm paxctl
Nd list and modify PaX flags associated with an ELF program
Sh SYNOPSIS
Nm
Op Fl 0 | Ar flags
Ar program ...
Sh DESCRIPTION
The
Nm
utility is used to list and manipulate PaX flags associated with an ELF
program.
The PaX flags signify to the loader the privilege protections to be applied
to mapped memory pages, and fuller explanations of the specific protections
can be found in the
Xr security 7
manpage.
Pp
To view existing flags on a
Ar program ,
execute
Nm
without any flags.
Pp
If
Fl 0
option is specified, all PaX flags
Pq including reserved bits
are cleared.
Otherwise, each flag can be prefixed either with a
Sq Cm +
or a
Sq Fl
sign to add or remove the flag, respectively.
Pp
The following flags are available:
Pp
Bl -tag -width Ds -compact
It Cm a
Explicitly disable PaX ASLR (Address Space Layout Randomization).
It Cm A
Explicitly enable PaX ASLR.
Pp
It Cm g
Explicitly disable PaX Segvguard.
It Cm G
Explicitly enable PaX Segvguard.
Pp
It Cm m
Explicitly disable PaX MPROTECT
Po Xr mprotect 2
restrictions
Pc .
It Cm M
Explicitly enable PaX MPROTECT.
El
