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e6ff0109b3
The Supervisor uses netlink raw sockets to get access to udev events sent through netlink. Technically, the rules so far have denied all raw sockets. However, in practice it seems that netlink raw sockets have still been working. For unknown reasons, in Debian Bookworm that behavior changed: The rule now also denies netlink raw sockets. This new ruleset starts off with the default setting (where almost everything seems to be denied), and enables explicitly what is needed in Supervisor. In tests this ruleset worked on Home Assistant OS as well as Debian Bookworm. Fixes: https://github.com/home-assistant/supervisor/issues/4381
93 lines
1.8 KiB
Plaintext
93 lines
1.8 KiB
Plaintext
#include <tunables/global>
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profile hassio-supervisor flags=(attach_disconnected,mediate_deleted) {
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#include <abstractions/base>
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#include <abstractions/python>
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network unix stream,
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network inet stream,
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network inet6 stream,
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network inet dgram,
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network inet6 dgram,
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network netlink raw,
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signal (send) set=(kill,term,int,hup,cont),
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capability net_admin,
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capability net_bind_service,
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capability dac_read_search,
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capability dac_override,
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capability chown,
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/bin/** ix,
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/usr/bin/** ix,
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/bin/udevadm Ux,
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/sbin/udevd Ux,
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/usr/local/bin/python* ix,
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/usr/bin/git cx,
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/usr/bin/gdbus cx,
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/usr/lib/bashio/** ix,
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/etc/s6/** ix,
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/run/{s6,s6-rc*,service}/** ix,
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/package/** ix,
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/command/** ix,
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/etc/services.d/** rwix,
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/etc/cont-init.d/** rwix,
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/etc/cont-finish.d/** rwix,
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deny /proc/** wl,
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deny /sys/** wl,
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/ r,
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/** r,
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/tmp/** rwk,
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/data/** rw,
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/run/{,**} rwk,
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/dev/tty rw,
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/root/.cas/{,**} rwk,
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/etc/resolv.conf rw,
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/run/docker.sock rw,
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/usr/local/lib/** mr,
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profile /usr/bin/gdbus flags=(attach_disconnected,mediate_deleted) {
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#include <abstractions/base>
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#include <abstractions/dbus>
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signal (receive) set=(int),
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unix (send, receive) type=stream,
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capability sys_nice,
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/** r,
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/lib/* mr,
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/usr/bin/gdbus mr,
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/usr/local/lib/** mr,
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/run/dbus/system_bus_socket rw,
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}
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profile /usr/bin/git flags=(attach_disconnected,mediate_deleted) {
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#include <abstractions/base>
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network,
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deny network raw,
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signal (receive) set=(term),
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/bin/busybox ix,
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/usr/bin/git mrix,
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/usr/libexec/git-core/* ix,
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deny /data/homeassistant rw,
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deny /data/ssl rw,
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/** r,
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/lib/* mr,
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/data/addons/** lrw,
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/usr/local/lib/** mr,
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capability dac_override,
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}
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}
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