Bug 680426

Summary: MLS: lsusb works but AVCs appear
Product: Red Hat Enterprise Linux 6 Reporter: Milos Malik <mmalik>
Component: selinux-policyAssignee: Miroslav Grepl <mgrepl>
Status: CLOSED ERRATA QA Contact: Milos Malik <mmalik>
Severity: medium Docs Contact:
Priority: medium    
Version: 6.1CC: dwalsh
Target Milestone: rc   
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: selinux-policy-3.7.19-74.el6 Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2011-05-19 11:57:50 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:

Description Milos Malik 2011-02-25 14:29:00 UTC
Description of problem:


Version-Release number of selected component (if applicable):
selinux-policy-3.7.19-72.el6.noarch
selinux-policy-targeted-3.7.19-72.el6.noarch
selinux-policy-mls-3.7.19-72.el6.noarch

How reproducible:
always

Steps to Reproduce:
* get a RHEL-6 machine with active MLS policy
* log in as root via console
* run lsusb
  
Actual results:
----
time->Fri Feb 25 09:27:04 2011
type=SYSCALL msg=audit(1298644024.851:53): arch=40000003 syscall=5 success=yes exit=4 a0=bf8d79e0 a1=2 a2=1 a3=9c8b868 items=0 ppid=1660 pid=1680 auid=0 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=ttyS0 ses=1 comm="lsusb" exe="/usr/sbin/lsusb" subj=root:sysadm_r:sysadm_t:s0-s15:c0.c1023 key=(null)
type=AVC msg=audit(1298644024.851:53): avc:  denied  { open } for  pid=1680 comm="lsusb" name="001" dev=devtmpfs ino=5309 scontext=root:sysadm_r:sysadm_t:s0-s15:c0.c1023 tcontext=system_u:object_r:usb_device_t:s0 tclass=chr_file
type=AVC msg=audit(1298644024.851:53): avc:  denied  { read write } for  pid=1680 comm="lsusb" name="001" dev=devtmpfs ino=5309 scontext=root:sysadm_r:sysadm_t:s0-s15:c0.c1023 tcontext=system_u:object_r:usb_device_t:s0 tclass=chr_file
----

Expected results:
no AVCs

Comment 1 Daniel Walsh 2011-02-25 15:35:07 UTC
Miroslav add

	dev_rw_generic_usb_dev($1_t)
	dev_rw_usbfs($1_t)

to userdom_admin_user_template

Comment 2 Miroslav Grepl 2011-03-01 13:57:23 UTC
Fixed in selinux-policy-3.7.19-74.el6

Comment 5 errata-xmlrpc 2011-05-19 11:57:50 UTC
An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on therefore solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.

http://rhn.redhat.com/errata/RHBA-2011-0526.html