[libvirt] [PATCH 5/8] apparmor, virt-aa-helper: Explicit denies for host devices

Stefan Bader stefan.bader at canonical.com
Thu May 18 08:53:43 UTC 2017

From: Felix Geyer <fgeyer at debian.org>

Add explicit denies for disk devices to avoid cluttering dmesg with
(acceptable) denials (merged with a second patch which added more
disk device names).

Signed-off-by: Christian Ehrhardt <christian.ehrhardt at canonical.com>
Signed-off-by: Stefan Bader <stefan.bader at canonical.com>
Acked-by: Guido Günther <agx at sigxcpu.org>
 examples/apparmor/usr.lib.libvirt.virt-aa-helper | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/examples/apparmor/usr.lib.libvirt.virt-aa-helper b/examples/apparmor/usr.lib.libvirt.virt-aa-helper
index ee53c2c..012080c 100644
--- a/examples/apparmor/usr.lib.libvirt.virt-aa-helper
+++ b/examples/apparmor/usr.lib.libvirt.virt-aa-helper
@@ -21,6 +21,15 @@ profile virt-aa-helper /usr/{lib,lib64}/libvirt/virt-aa-helper {
   # for hostdev
   /sys/devices/ r,
   /sys/devices/** r,
+  deny /dev/sd* r,
+  deny /dev/vd* r,
+  deny /dev/dm-* r,
+  deny /dev/drbd[0-9]* r,
+  deny /dev/dasd* r,
+  deny /dev/nvme* r,
+  deny /dev/zd[0-9]* r,
+  deny /dev/mapper/ r,
+  deny /dev/mapper/* r,
   /usr/{lib,lib64}/libvirt/virt-aa-helper mr,
   /{usr/,}sbin/apparmor_parser Ux,

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