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Re: ifconfig/pipefs avc messages.: msg#00127

Subject: Re: ifconfig/pipefs avc messages. 
Daniel J Walsh wrote:


dragoran wrote:


dragoran wrote:

> I have found this messages in /var/log/audit/audit.log:
>
>> type=AVC msg=audit(1120371250.432:658540): avc:  denied  { write }
>> for  pid=3342 comm="ifconfig" name=[11205] dev=pipefs ino=11205
>> scontext=root:system_r:ifconfig_t tcontext=root:system_r:unconfined_t
>> tclass=fifo_file
>> type=AVC msg=audit(1120371250.432:658540): avc:  denied  { read }
>> for  pid=3342 comm="ifconfig" name=[11205] dev=pipefs ino=11205
>> scontext=root:system_r:ifconfig_t tcontext=root:system_r:unconfined_t
>> tclass=fifo_file
>> type=AVC msg=audit(1120371250.432:658540): avc:  denied  { write }
>> for  pid=3342 comm="ifconfig" name=[11203] dev=pipefs ino=11203
>> scontext=root:system_r:ifconfig_t tcontext=root:system_r:unconfined_t
>> tclass=fifo_file
>> type=AVC msg=audit(1120371250.432:658540): avc:  denied  { read }
>> for  pid=3342 comm="ifconfig" name=[11203] dev=pipefs ino=11203
>> scontext=root:system_r:ifconfig_t tcontext=root:system_r:unconfined_t
>> tclass=fifo_file
>> type=AVC msg=audit(1120371250.432:658540): avc:  denied  { write }
>> for  pid=3342 comm="ifconfig" name=[11202] dev=pipefs ino=11202
>> scontext=root:system_r:ifconfig_t tcontext=root:system_r:unconfined_t
>> tclass=fifo_file
>> type=AVC msg=audit(1120371250.432:658540): avc:  denied  { read }
>> for  pid=3342 comm="ifconfig" name=[11202] dev=pipefs ino=11202
>> scontext=root:system_r:ifconfig_t tcontext=root:system_r:unconfined_t
>> tclass=fifo_file
>> type=AVC msg=audit(1120371250.432:658540): avc:  denied  { write }
>> for  pid=3342 comm="ifconfig" name=[11201] dev=pipefs ino=11201
>> scontext=root:system_r:ifconfig_t tcontext=root:system_r:unconfined_t
>> tclass=fifo_file
>> type=AVC msg=audit(1120371250.432:658540): avc:  denied  { read }
>> for  pid=3342 comm="ifconfig" name=[11201] dev=pipefs ino=11201
>> scontext=root:system_r:ifconfig_t tcontext=root:system_r:unconfined_t
>> tclass=fifo_file
>> type=AVC msg=audit(1120371250.432:658540): avc:  denied  { write }
>> for  pid=3342 comm="ifconfig" name=[11687] dev=pipefs ino=11687
>> scontext=root:system_r:ifconfig_t tcontext=root:system_r:unconfined_t
>> tclass=fifo_file
>> type=AVC msg=audit(1120371250.432:658540): avc:  denied  { write }
>> for  pid=3342 comm="ifconfig" name=[11687] dev=pipefs ino=11687
>> scontext=root:system_r:ifconfig_t tcontext=root:system_r:unconfined_t
>> tclass=fifo_file
>> type=PATH msg=audit(1120371251.502:661490): item=1 inode=2127845
>> dev=08:05 mode=0100755 ouid=0 ogid=0 rdev=00:00
>> type=PATH msg=audit(1120371251.502:661490): item=0
>> name="/sbin/ifconfig" inode=9297060 dev=08:05 mode=0100755 ouid=0
>> ogid=0 rdev=00:00
>> type=AVC_PATH msg=audit(1120371251.502:661490):  path="pipe:[11687]"
>> type=AVC_PATH msg=audit(1120371251.502:661490):  path="pipe:[11687]"
>> type=AVC_PATH msg=audit(1120371251.502:661490):  path="pipe:[11201]"
>> type=AVC_PATH msg=audit(1120371251.502:661490):  path="pipe:[11201]"
>> type=AVC_PATH msg=audit(1120371251.502:661490):  path="pipe:[11202]"
>> type=AVC_PATH msg=audit(1120371251.502:661490):  path="pipe:[11202]"
>> type=AVC_PATH msg=audit(1120371251.502:661490):  path="pipe:[11203]"
>> type=AVC_PATH msg=audit(1120371251.502:661490):  path="pipe:[11203]"
>> type=AVC_PATH msg=audit(1120371251.502:661490):  path="pipe:[11205]"
>> type=AVC_PATH msg=audit(1120371251.502:661490):  path="pipe:[11205]"
>> type=SYSCALL msg=audit(1120371251.502:661490): arch=c000003e
>> syscall=59 success=yes exit=0 a0=627990 a1=627cb0 a2=608440
>> a3=2aaaaaac5000 items=2 pid=3370 auid=4294967295 uid=0 gid=0 euid=0
>> suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 comm="ifconfig"
>> exe="/sbin/ifconfig"
>> type=AVC msg=audit(1120371251.502:661490): avc:  denied  { write }
>> for  pid=3370 comm="ifconfig" name=[11205] dev=pipefs ino=11205
>> scontext=root:system_r:ifconfig_t tcontext=root:system_r:unconfined_t
>> tclass=fifo_file
>> type=AVC msg=audit(1120371251.502:661490): avc:  denied  { read }
>> for  pid=3370 comm="ifconfig" name=[11205] dev=pipefs ino=11205
>> scontext=root:system_r:ifconfig_t tcontext=root:system_r:unconfined_t
>> tclass=fifo_file
>> type=AVC msg=audit(1120371251.502:661490): avc:  denied  { write }
>> for  pid=3370 comm="ifconfig" name=[11203] dev=pipefs ino=11203
>> scontext=root:system_r:ifconfig_t tcontext=root:system_r:unconfined_t
>> tclass=fifo_file
>> type=AVC msg=audit(1120371251.502:661490): avc:  denied  { read }
>> for  pid=3370 comm="ifconfig" name=[11203] dev=pipefs ino=11203
>> scontext=root:system_r:ifconfig_t tcontext=root:system_r:unconfined_t
>> tclass=fifo_file
>> type=AVC msg=audit(1120371251.502:661490): avc:  denied  { write }
>> for  pid=3370 comm="ifconfig" name=[11202] dev=pipefs ino=11202
>> scontext=root:system_r:ifconfig_t tcontext=root:system_r:unconfined_t
>> tclass=fifo_file
>> type=AVC msg=audit(1120371251.502:661490): avc:  denied  { read }
>> for  pid=3370 comm="ifconfig" name=[11202] dev=pipefs ino=11202
>> scontext=root:system_r:ifconfig_t tcontext=root:system_r:unconfined_t
>> tclass=fifo_file
>> type=AVC msg=audit(1120371251.502:661490): avc:  denied  { write }
>> for  pid=3370 comm="ifconfig" name=[11201] dev=pipefs ino=11201
>> scontext=root:system_r:ifconfig_t tcontext=root:system_r:unconfined_t
>> tclass=fifo_file
>> type=AVC msg=audit(1120371251.502:661490): avc:  denied  { read }
>> for  pid=3370 comm="ifconfig" name=[11201] dev=pipefs ino=11201
>> scontext=root:system_r:ifconfig_t tcontext=root:system_r:unconfined_t
>> tclass=fifo_file
>> type=AVC msg=audit(1120371251.502:661490): avc:  denied  { write }
>> for  pid=3370 comm="ifconfig" name=[11687] dev=pipefs ino=11687
>> scontext=root:system_r:ifconfig_t tcontext=root:system_r:unconfined_t
>> tclass=fifo_file
>> type=AVC msg=audit(1120371251.502:661490): avc:  denied  { write }
>> for  pid=3370 comm="ifconfig" name=[11687] dev=pipefs ino=11687
>> scontext=root:system_r:ifconfig_t tcontext=root:system_r:unconfined_t
>> tclass=fifo_file
>> type=PATH msg=audit(1120371251.510:662032): item=1 inode=2127845
>> dev=08:05 mode=0100755 ouid=0 ogid=0 rdev=00:00
>> type=PATH msg=audit(1120371251.510:662032): item=0 name="/sbin/ip"
>> inode=9297052 dev=08:05 mode=0100755 ouid=0 ogid=0 rdev=00:00
>
>
> I did fixfiles relabel but it have'nt fixed them.
> Whats the problem?
> bug in the policy? (using fc4 and selinux-policy-targeted-1.25.3-12)
>
> --
> fedora-selinux-list mailing list
> fedora-selinux-list@xxxxxxxxxx
> http://www.redhat.com/mailman/listinfo/fedora-selinux-list
>
>
found out that iplugd from fc extras was causing this.
its labeled as:

> ls -Z /usr/sbin/ifplugd
> -rwxr-xr-x root root system_u:object_r:sbin_t > /usr/sbin/ifplugd 


Could you label this NetworkManager_exec_t?  And do a restart?
Do the messages go away?





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now I get:
type=SYSCALL msg=audit(1125406870.081:3285657): arch=c000003e syscall=59 success=yes exit=0 a0=6c5320 a1=6c5360 a2=6c1e50 a3=7fffffd67208 items=2 pid=3240 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 comm="ifplugd" exe="/usr/sbin/ifplugd" 
type=AVC_PATH msg=audit(1125406870.081:3285657):  path="pipe:[15843]"
type=CWD msg=audit(1125406870.081:3285657):  cwd="/"
type=PATH msg=audit(1125406870.081:3285657): item=0 name="/usr/sbin/ifplugd" flags=101 inode=14024587 dev=08:05 mode=0100755 ouid=0 ogid=0 rdev=00:00 type=PATH msg=audit(1125406870.081:3285657): item=1 flags=101 inode=2128071 dev=08:05 mode=0100755 ouid=0 ogid=0 rdev=00:00 type=USER_END msg=audit(1125406872.563:3293540): user pid=3137 uid=500 auid=4294967295 msg='PAM session close: user=root exe="/usr/sbin/userhelper" (hostname=?, addr=?, terminal=? result=Success)' type=AVC msg=audit(1125406889.406:3343428): avc: denied { execute } for pid=3261 comm="ifplugd" name="ifplugd.action" dev=sda5 ino=1705807 scontext=root:system_r:NetworkManager_t tcontext=system_u:object_r:etc_t tclass=file type=SYSCALL msg=audit(1125406889.406:3343428): arch=c000003e syscall=59 success=no exit=-13 a0=40450c a1=7fffffa549f0 a2=609300 a3=2aaaaaad89b0 items=1 pid=3261 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 comm="ifplugd" exe="/usr/sbin/ifplugd" 
type=CWD msg=audit(1125406889.406:3343428):  cwd="/"
type=PATH msg=audit(1125406889.406:3343428): item=0 name="/etc/ifplugd/ifplugd.action" flags=101 inode=1705807 dev=08:05 mode=0100755 ouid=0 ogid=0 rdev=00:00
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