From 4e069746fe0de1f60bd1b75c113b0f40ffe86736 Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Fri, 10 Jun 2016 18:00:12 +0200 Subject: units: tighten system call filters a bit Take away kernel keyring access, CPU emulation system calls and various debug system calls from the various daemons we have. --- units/systemd-machined.service.in | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'units/systemd-machined.service.in') diff --git a/units/systemd-machined.service.in b/units/systemd-machined.service.in index 82dca05338..cd4a097f5a 100644 --- a/units/systemd-machined.service.in +++ b/units/systemd-machined.service.in @@ -18,7 +18,7 @@ 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 -SystemCallFilter=~@clock @module @mount @obsolete @raw-io ptrace +SystemCallFilter=~@clock @cpu-emulation @debug @keyring @module @mount @obsolete @raw-io # 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 -- cgit v1.2.3-54-g00ecf