Bug 559226 - SELinux is preventing /bin/bash access to a leaked unix_stream_socket file descriptor.
Summary: SELinux is preventing /bin/bash access to a leaked unix_stream_socket file de...
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Fedora
Classification: Fedora
Component: selinux-policy
Version: 12
Hardware: i386
OS: Linux
low
medium
Target Milestone: ---
Assignee: Miroslav Grepl
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard: setroubleshoot_trace_hash:4ab213942af...
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2010-01-27 13:53 UTC by paul
Modified: 2010-02-02 01:23 UTC (History)
2 users (show)

Fixed In Version: 3.6.32-78.fc12
Clone Of:
Environment:
Last Closed: 2010-02-02 01:23:52 UTC
Type: ---
Embargoed:


Attachments (Terms of Use)

Description paul 2010-01-27 13:53:15 UTC
Summary:

SELinux is preventing /bin/bash access to a leaked unix_stream_socket file
descriptor.

Detailed Description:

[sh has a permissive type (ipsec_mgmt_t). This access was not denied.]

SELinux denied access requested by the sh command. It looks like this is either
a leaked descriptor or sh output was redirected to a file it is not allowed to
access. Leaks usually can be ignored since SELinux is just closing the leak and
reporting the error. The application does not use the descriptor, so it will run
properly. If this is a redirection, you will not get output in the
unix_stream_socket. You should generate a bugzilla on selinux-policy, and it
will get routed to the appropriate package. You can safely ignore this avc.

Allowing Access:

You can generate a local policy module to allow this access - see FAQ
(http://fedora.redhat.com/docs/selinux-faq-fc5/#id2961385)

Additional Information:

Source Context                unconfined_u:system_r:ipsec_mgmt_t:s0
Target Context                unconfined_u:system_r:ipsec_t:s0-s0:c0.c1023
Target Objects                unix_stream_socket [ unix_stream_socket ]
Source                        sh
Source Path                   /bin/bash
Port                          <Unknown>
Host                          (removed)
Source RPM Packages           bash-4.0.35-2.fc12
Target RPM Packages           
Policy RPM                    selinux-policy-3.6.32-69.fc12
Selinux Enabled               True
Policy Type                   targeted
Enforcing Mode                Enforcing
Plugin Name                   leaks
Host Name                     (removed)
Platform                      Linux (removed) 2.6.31.12-174.2.3.fc12.i686.PAE #1
                              SMP Mon Jan 18 20:06:44 UTC 2010 i686 i686
Alert Count                   23
First Seen                    Tue 05 Jan 2010 10:36:04 PM HKT
Last Seen                     Wed 27 Jan 2010 09:32:18 PM HKT
Local ID                      6f90a7fa-b4d9-4306-b062-27145fb8ea5c
Line Numbers                  

Raw Audit Messages            

node=(removed) type=AVC msg=audit(1264599138.117:21337): avc:  denied  { read write } for  pid=6964 comm="sh" path="socket:[39336]" dev=sockfs ino=39336 scontext=unconfined_u:system_r:ipsec_mgmt_t:s0 tcontext=unconfined_u:system_r:ipsec_t:s0-s0:c0.c1023 tclass=unix_stream_socket

node=(removed) type=SYSCALL msg=audit(1264599138.117:21337): arch=40000003 syscall=11 success=yes exit=0 a0=c06a85 a1=bfd320bc a2=bfd35fbc a3=3 items=0 ppid=2132 pid=6964 auid=0 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=1 comm="sh" exe="/bin/bash" subj=unconfined_u:system_r:ipsec_mgmt_t:s0 key=(null)



Hash String generated from  selinux-policy-3.6.32-69.fc12,leaks,sh,ipsec_mgmt_t,ipsec_t,unix_stream_socket,read,write
audit2allow suggests:

#============= ipsec_mgmt_t ==============
allow ipsec_mgmt_t ipsec_t:unix_stream_socket { read write };

Comment 1 Daniel Walsh 2010-01-27 16:40:12 UTC
Miroslav

add

dontaudit ipsec_mgmt_t ipsec_t:unix_stream_socket { read write };

Comment 2 Miroslav Grepl 2010-01-27 16:43:43 UTC
Fixed in selinux-policy-3.6.32-78.fc12

Comment 3 Fedora Update System 2010-01-28 09:24:20 UTC
selinux-policy-3.6.32-78.fc12 has been submitted as an update for Fedora 12.
http://admin.fedoraproject.org/updates/selinux-policy-3.6.32-78.fc12

Comment 4 Fedora Update System 2010-01-29 03:29:33 UTC
selinux-policy-3.6.32-78.fc12 has been pushed to the Fedora 12 testing repository.  If problems still persist, please make note of it in this bug report.
 If you want to test the update, you can install it with 
 su -c 'yum --enablerepo=updates-testing update selinux-policy'.  You can provide feedback for this update here: http://admin.fedoraproject.org/updates/F12/FEDORA-2010-1207

Comment 5 Fedora Update System 2010-02-02 01:21:40 UTC
selinux-policy-3.6.32-78.fc12 has been pushed to the Fedora 12 stable repository.  If problems still persist, please make note of it in this bug report.


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