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units: enable MemoryDenyWriteExecute (#3459)

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Secure daemons shipped by systemd by enabling MemoryDenyWriteExecute.

Closes: #3459
This commit is contained in:
Topi Miettinen 2016-06-08 12:23:37 +00:00 committed by Lennart Poettering
parent b9c59555b1
commit 40652ca479
10 changed files with 10 additions and 0 deletions
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1
units/systemd-hostnamed.service.in
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@ -20,3 +20,4 @@ PrivateDevices=yes
PrivateNetwork=yes
ProtectSystem=yes
ProtectHome=yes
MemoryDenyWriteExecute=yes

1
units/systemd-importd.service.in
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@ -17,3 +17,4 @@ CapabilityBoundingSet=CAP_CHOWN CAP_FOWNER CAP_FSETID CAP_MKNOD CAP_SETFCAP CAP_
NoNewPrivileges=yes
WatchdogSec=3min
KillMode=mixed
MemoryDenyWriteExecute=yes

1
units/systemd-journald.service.in
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@ -24,6 +24,7 @@ StandardOutput=null
CapabilityBoundingSet=CAP_SYS_ADMIN CAP_DAC_OVERRIDE CAP_SYS_PTRACE CAP_SYSLOG CAP_AUDIT_CONTROL CAP_AUDIT_READ CAP_CHOWN CAP_DAC_READ_SEARCH CAP_FOWNER CAP_SETUID CAP_SETGID CAP_MAC_OVERRIDE
WatchdogSec=3min
FileDescriptorStoreMax=1024
MemoryDenyWriteExecute=yes
# Increase the default a bit in order to allow many simultaneous
# services being run since we keep one fd open per service. Also, when

1
units/systemd-localed.service.in
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@ -20,3 +20,4 @@ PrivateDevices=yes
PrivateNetwork=yes
ProtectSystem=yes
ProtectHome=yes
MemoryDenyWriteExecute=yes

1
units/systemd-logind.service.in
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@ -25,6 +25,7 @@ RestartSec=0
BusName=org.freedesktop.login1
CapabilityBoundingSet=CAP_SYS_ADMIN CAP_MAC_ADMIN CAP_AUDIT_CONTROL CAP_CHOWN CAP_KILL CAP_DAC_READ_SEARCH CAP_DAC_OVERRIDE CAP_FOWNER CAP_SYS_TTY_CONFIG
WatchdogSec=3min
MemoryDenyWriteExecute=yes
# Increase the default a bit in order to allow many simultaneous
# logins since we keep one fd open per session.

1
units/systemd-machined.service.in
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@ -17,6 +17,7 @@ ExecStart=@rootlibexecdir@/systemd-machined
BusName=org.freedesktop.machine1
CapabilityBoundingSet=CAP_KILL CAP_SYS_PTRACE CAP_SYS_ADMIN CAP_SETGID CAP_SYS_CHROOT CAP_DAC_READ_SEARCH CAP_DAC_OVERRIDE CAP_CHOWN CAP_FOWNER CAP_FSETID CAP_MKNOD
WatchdogSec=3min
MemoryDenyWriteExecute=yes
# Note that machined cannot be placed in a mount namespace, since it
# needs access to the host's mount namespace in order to implement the

1
units/systemd-networkd.service.m4.in
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@ -31,6 +31,7 @@ CapabilityBoundingSet=CAP_NET_ADMIN CAP_NET_BIND_SERVICE CAP_NET_BROADCAST CAP_N
ProtectSystem=full
ProtectHome=yes
WatchdogSec=3min
MemoryDenyWriteExecute=yes
[Install]
WantedBy=multi-user.target

1
units/systemd-resolved.service.m4.in
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@ -27,6 +27,7 @@ CapabilityBoundingSet=CAP_SETUID CAP_SETGID CAP_SETPCAP CAP_CHOWN CAP_DAC_OVERRI
ProtectSystem=full
ProtectHome=yes
WatchdogSec=3min
MemoryDenyWriteExecute=yes
[Install]
WantedBy=multi-user.target

1
units/systemd-timedated.service.in
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@ -18,3 +18,4 @@ WatchdogSec=3min
PrivateTmp=yes
ProtectSystem=yes
ProtectHome=yes
MemoryDenyWriteExecute=yes

1
units/systemd-timesyncd.service.in
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@ -28,6 +28,7 @@ PrivateDevices=yes
ProtectSystem=full
ProtectHome=yes
WatchdogSec=3min
MemoryDenyWriteExecute=yes
[Install]
WantedBy=sysinit.target