Bug 871038

Summary: SELinux prevents /sbin/cgrulesengd (cgred_t) from searching in /proc/irq (sysctl_irq_t)
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: 6.4CC: ddumas, dwalsh
Target Milestone: rc   
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: selinux-policy-3.7.19-180.el6 Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2013-02-21 08:31:50 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:

Description Milos Malik 2012-10-29 13:23:05 UTC 
Description of problem:


Version-Release number of selected component (if applicable):
selinux-policy-3.7.19-172.el6.noarch
selinux-policy-targeted-3.7.19-172.el6.noarch

How reproducible:
always

Steps to Reproduce:
1. get a RHEL-6.4 machine where targeted policy is active
2. run following automated test:
 * /CoreOS/selinux-policy/Regression/bz559874-rpc-ypxfrd-wants-to-access-var-run
3. search for AVCs
  
Actual results:
----
type=PATH msg=audit(10/29/2012 14:19:38.080:22411) : item=1 name=(null) inode=4026531854 dev=00:03 mode=dir,555 ouid=root ogid=root rdev=00:00 obj=system_u:object_r:sysctl_irq_t:s0 
type=PATH msg=audit(10/29/2012 14:19:38.080:22411) : item=0 name=/proc/irq/status 
type=CWD msg=audit(10/29/2012 14:19:38.080:22411) :  cwd=/ 
type=SYSCALL msg=audit(10/29/2012 14:19:38.080:22411) : arch=i386 syscall=stat64 success=no exit=-13(Permission denied) a0=b6a2e0a8 a1=b758a67c a2=640ff4 a3=b6a2e0a8 items=2 ppid=1 pid=9484 auid=unset uid=root gid=root euid=root suid=root fsuid=root egid=root sgid=root fsgid=root tty=(none) ses=unset comm=setroubleshootd exe=/usr/bin/python subj=system_u:system_r:setroubleshootd_t:s0-s0:c0.c1023 key=(null) 
type=AVC msg=audit(10/29/2012 14:19:38.080:22411) : avc:  denied  { search } for  pid=9484 comm=setroubleshootd name=irq dev=proc ino=4026531854 scontext=system_u:system_r:setroubleshootd_t:s0-s0:c0.c1023 tcontext=system_u:object_r:sysctl_irq_t:s0 tclass=dir 
----

Expected results:
 * no AVCs
Comment 1 Miroslav Grepl 2012-10-29 18:52:08 UTC 
We have 

kernel_read_irq_sysctls(setroubleshootd_t)

in Fedora. Will backport.
Comment 8 errata-xmlrpc 2013-02-21 08:31:50 UTC 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

http://rhn.redhat.com/errata/RHBA-2013-0314.html