2014-04-14 21:28:00

by Nicolas Iooss

[permalink] [raw]
Subject: [refpolicy] [PATCH] Label /usr/share/virtualbox/VBoxCreateUSBNode.sh as udev_helper_exec_t

VBoxCreateUSBNode.sh creates character special files in /dev/vboxusb each time
a new USB device appears. This script is called by udev.

audit.log on a system in permissive mode before this patch contains:

type=AVC msg=audit(1396889711.890:175): avc: denied { execute } for pid=26284 comm="systemd-udevd" name="VBoxCreateUSBNode.sh" dev="sda5" ino=5899405 scontext=system_u:system_r:udev_t tcontext=unconfined_u:object_r:usr_t tclass=file
type=AVC msg=audit(1396889711.890:175): avc: denied { execute_no_trans } for pid=26284 comm="systemd-udevd" path="/usr/share/virtualbox/VBoxCreateUSBNode.sh" dev="sda5" ino=5899405 scontext=system_u:system_r:udev_t tcontext=unconfined_u:object_r:usr_t tclass=file
---
policy/modules/system/udev.fc | 2 ++
1 file changed, 2 insertions(+)

diff --git a/policy/modules/system/udev.fc b/policy/modules/system/udev.fc
index 0b4df21..9c5ea54 100644
--- a/policy/modules/system/udev.fc
+++ b/policy/modules/system/udev.fc
@@ -31,6 +31,8 @@ ifdef(`distro_redhat',`

/usr/lib/systemd/systemd-udevd -- gen_context(system_u:object_r:udev_exec_t,s0)

+/usr/share/virtualbox/VBoxCreateUSBNode\.sh -- gen_context(system_u:object_r:udev_helper_exec_t,s0)
+
/var/run/udev(/.*)? gen_context(system_u:object_r:udev_var_run_t,s0)

ifdef(`distro_debian',`
--
1.9.1


2014-04-21 14:17:32

by cpebenito

[permalink] [raw]
Subject: [refpolicy] [PATCH] Label /usr/share/virtualbox/VBoxCreateUSBNode.sh as udev_helper_exec_t

On 04/14/2014 05:28 PM, Nicolas Iooss wrote:
> VBoxCreateUSBNode.sh creates character special files in /dev/vboxusb each time
> a new USB device appears. This script is called by udev.
>
> audit.log on a system in permissive mode before this patch contains:
>
> type=AVC msg=audit(1396889711.890:175): avc: denied { execute } for pid=26284 comm="systemd-udevd" name="VBoxCreateUSBNode.sh" dev="sda5" ino=5899405 scontext=system_u:system_r:udev_t tcontext=unconfined_u:object_r:usr_t tclass=file
> type=AVC msg=audit(1396889711.890:175): avc: denied { execute_no_trans } for pid=26284 comm="systemd-udevd" path="/usr/share/virtualbox/VBoxCreateUSBNode.sh" dev="sda5" ino=5899405 scontext=system_u:system_r:udev_t tcontext=unconfined_u:object_r:usr_t tclass=file
> ---
> policy/modules/system/udev.fc | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/policy/modules/system/udev.fc b/policy/modules/system/udev.fc
> index 0b4df21..9c5ea54 100644
> --- a/policy/modules/system/udev.fc
> +++ b/policy/modules/system/udev.fc
> @@ -31,6 +31,8 @@ ifdef(`distro_redhat',`
>
> /usr/lib/systemd/systemd-udevd -- gen_context(system_u:object_r:udev_exec_t,s0)
>
> +/usr/share/virtualbox/VBoxCreateUSBNode\.sh -- gen_context(system_u:object_r:udev_helper_exec_t,s0)
> +
> /var/run/udev(/.*)? gen_context(system_u:object_r:udev_var_run_t,s0)
>
> ifdef(`distro_debian',`

Merged.

--
Chris PeBenito
Tresys Technology, LLC
http://www.tresys.com | oss.tresys.com