What is netlink_kobject_uevent_socket? Do we have a place we can document
this sort of thing to make it easier to determine whether access is required
and what the implications of such access are?
On Saturday, 13 April 2019 5:39:32 AM AEST Sugar, David wrote:
> type=AVC msg=audit(1554983723.772:784): avc: denied { create } for
> pid=8123 comm="plymouthd" scontext=system_u:system_r:plymouthd_t:s0
> tcontext=system_u:system_r:plymouthd_t:s0
> tclass=netlink_kobject_uevent_socket permissive=0
> type=AVC msg=audit(1555070131.882:1648): avc: denied { getattr } for
> pid=8634 comm="plymouthd" path="/run/udev/data/c226:0" dev="tmpfs"
> ino=29946 scontext=system_u:system_r:plymouthd_t:s0
> tcontext=system_u:object_r:udev_var_run_t:s0 tclass=file permissive=1
> type=AVC msg=audit(1555070131.903:1652): avc: denied { open } for
> pid=8634 comm="plymouthd" path="/run/udev/data/+drm:card0-DP-1" dev="tmpfs"
> ino=31856 scontext=system_u:system_r:plymouthd_t:s0
> tcontext=system_u:object_r:udev_var_run_t:s0 tclass=file permissive=1
> type=AVC msg=audit(1555070131.903:1652): avc: denied { read } for
> pid=8634 comm="plymouthd" name="+drm:card0-DP-1" dev="tmpfs" ino=31856
> scontext=system_u:system_r:plymouthd_t:s0
> tcontext=system_u:object_r:udev_var_run_t:s0 tclass=file permissive=1
> Signed-off-by: Dave Sugar <dsugar@xxxxxxxxxx>
> ---
> policy/modules/services/plymouthd.te | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/policy/modules/services/plymouthd.te
> b/policy/modules/services/plymouthd.te
index 835ee035..6352375d 100644
> --- a/policy/modules/services/plymouthd.te
> +++ b/policy/modules/services/plymouthd.te
> @@ -38,6 +38,7 @@ dontaudit plymouthd_t self:capability dac_override;
> allow plymouthd_t self:capability2 block_suspend;
> allow plymouthd_t self:process { signal getsched };
> allow plymouthd_t self:fifo_file rw_fifo_file_perms;
> +dontaudit plymouthd_t self:netlink_kobject_uevent_socket create;
> allow plymouthd_t self:unix_stream_socket create_stream_socket_perms;
>
> manage_dirs_pattern(plymouthd_t, plymouthd_spool_t, plymouthd_spool_t)
> @@ -87,6 +88,10 @@ optional_policy(`
> gnome_read_generic_home_content(plymouthd_t)
> ')
>
> +optional_policy(`
> + udev_dontaudit_rw_pid_files(plymouthd_t)
> +')
> +
> optional_policy(`
> sssd_stream_connect(plymouthd_t)
> ')
> --
> 2.20.1
>
--
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