Fedora 16 AVC at boot time
Daniel J Walsh
dwalsh at redhat.com
Sat Jan 28 19:22:36 UTC 2012
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On 01/28/2012 02:15 PM, David Highley wrote:
> "David Highley wrote:"
>>
>> "Miroslav Grepl wrote:"
>>>
>>> On 01/26/2012 05:33 AM, David Highley wrote:
>>>> "Daniel J Walsh wrote:"
> On 01/25/2012 01:38 PM, David Highley wrote:
>>>>>>> "Daniel J Walsh wrote:" On 01/24/2012 10:39 PM, David
>>>>>>> Highley wrote:
>>>>>>>>>> time->Tue Jan 24 06:17:02 2012 type=SYSCALL
>>>>>>>>>> msg=audit(1327414622.867:2517): arch=c000003e
>>>>>>>>>> syscall=59 success=yes exit=0 a0=9669f0 a1=cc8170
>>>>>>>>>> a2=7fff1bf396c8 a3=1f items=0 ppid=5248 pid=5253
>>>>>>>>>> auid=0 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0
>>>>>>>>>> sgid=0 fsgid=0 tty=(none) ses=293 comm="sh"
>>>>>>>>>> exe="/bin/bash"
>>>>>>>>>> subj=unconfined_u:system_r:rpm_script_t:s0-s0:c0.c1023
>>>>>>>>>>
>>>>>>>>>>
key=(null) type=AVC msg=audit(1327414622.867:2517): avc:
>>>>>>>>>> denied { transition } for pid=5253 comm="rpm"
>>>>>>>>>> path="/bin/bash" dev=dm-1 ino=393240
>>>>>>>>>> scontext=unconfined_u:system_r:bootloader_t:s0-s0:c0.c1023
>>>>>>>>>>
>>>>>>>>>>
tcontext=unconfined_u:system_r:rpm_script_t:s0-s0:c0.c1023
>>>>>>>>>> tclass=process ---- time->Tue Jan 24 06:23:38
>>>>>>>>>> 2012 type=SYSCALL msg=audit(1327415018.410:38):
>>>>>>>>>> arch=c000003e syscall=2 success=no exit=-13
>>>>>>>>>> a0=7fff0fc10e50 a1=0 a2=7fff0fc10e79 a3=68
>>>>>>>>>> items=0 ppid=1180 pid=1359 auid=4294967295 uid=0
>>>>>>>>>> gid=48 euid=0 suid=0 fsuid=0 egid=48 sgid=48
>>>>>>>>>> fsgid=48 tty=(none) ses=4294967295
>>>>>>>>>> comm="/usr/sbin/httpd" exe="/usr/sbin/httpd"
>>>>>>>>>> subj=system_u:system_r:httpd_t:s0 key=(null)
>>>>>>>>>> type=AVC msg=audit(1327415018.410:38): avc:
>>>>>>>>>> denied { search } for pid=1359
>>>>>>>>>> comm="/usr/sbin/httpd" name="yp" dev=dm-1
>>>>>>>>>> ino=1313161
>>>>>>>>>> scontext=system_u:system_r:httpd_t:s0
>>>>>>>>>> tcontext=system_u:object_r:var_yp_t:s0 tclass=dir
>>>>>>>>>> ---- time->Tue Jan 24 06:23:38 2012 type=SYSCALL
>>>>>>>>>> msg=audit(1327415018.410:39): arch=c000003e
>>>>>>>>>> syscall=2 success=no exit=-13 a0=7fff0fc10e50
>>>>>>>>>> a1=0 a2=7fff0fc10e79 a3=68 items=0 ppid=1180
>>>>>>>>>> pid=1360 auid=4294967295 uid=0 gid=48 euid=0
>>>>>>>>>> suid=0 fsuid=0 egid=48 sgid=48 fsgid=48
>>>>>>>>>> tty=(none) ses=4294967295 comm="/usr/sbin/httpd"
>>>>>>>>>> exe="/usr/sbin/httpd"
>>>>>>>>>> subj=system_u:system_r:httpd_t:s0 key=(null)
>>>>>>>>>> type=AVC msg=audit(1327415018.410:39): avc:
>>>>>>>>>> denied { search } for pid=1360
>>>>>>>>>> comm="/usr/sbin/httpd" name="yp" dev=dm-1
>>>>>>>>>> ino=1313161
>>>>>>>>>> scontext=system_u:system_r:httpd_t:s0
>>>>>>>>>> tcontext=system_u:object_r:var_yp_t:s0 tclass=dir
>>>>>>>>>> ---- time->Tue Jan 24 06:23:38 2012 type=SYSCALL
>>>>>>>>>> msg=audit(1327415018.411:40): arch=c000003e
>>>>>>>>>> syscall=2 success=no exit=-13 a0=7fff0fc10e50
>>>>>>>>>> a1=0 a2=7fff0fc10e79 a3=68 items=0 ppid=1180
>>>>>>>>>> pid=1361 auid=4294967295 uid=0 gid=48 euid=0
>>>>>>>>>> suid=0 fsuid=0 egid=48 sgid=48 fsgid=48
>>>>>>>>>> tty=(none) ses=4294967295 comm="/usr/sbin/httpd"
>>>>>>>>>> exe="/usr/sbin/httpd"
>>>>>>>>>> subj=system_u:system_r:httpd_t:s0 key=(null)
>>>>>>>>>> type=AVC msg=audit(1327415018.411:40): avc:
>>>>>>>>>> denied { search } for pid=1361
>>>>>>>>>> comm="/usr/sbin/httpd" name="yp" dev=dm-1
>>>>>>>>>> ino=1313161
>>>>>>>>>> scontext=system_u:system_r:httpd_t:s0
>>>>>>>>>> tcontext=system_u:object_r:var_yp_t:s0 tclass=dir
>>>>>>>>>> ---- time->Tue Jan 24 06:23:38 2012 type=SYSCALL
>>>>>>>>>> msg=audit(1327415018.411:41): arch=c000003e
>>>>>>>>>> syscall=2 success=no exit=-13 a0=7fff0fc10e50
>>>>>>>>>> a1=0 a2=7fff0fc10e79 a3=68 items=0 ppid=1180
>>>>>>>>>> pid=1362 auid=4294967295 uid=0 gid=48 euid=0
>>>>>>>>>> suid=0 fsuid=0 egid=48 sgid=48 fsgid=48
>>>>>>>>>> tty=(none) ses=4294967295 comm="/usr/sbin/httpd"
>>>>>>>>>> exe="/usr/sbin/httpd"
>>>>>>>>>> subj=system_u:system_r:httpd_t:s0 key=(null)
>>>>>>>>>> type=AVC msg=audit(1327415018.411:41): avc:
>>>>>>>>>> denied { search } for pid=1362
>>>>>>>>>> comm="/usr/sbin/httpd" name="yp" dev=dm-1
>>>>>>>>>> ino=1313161
>>>>>>>>>> scontext=system_u:system_r:httpd_t:s0
>>>>>>>>>> tcontext=system_u:object_r:var_yp_t:s0 tclass=dir
>>>>>>>>>> ---- time->Tue Jan 24 06:23:38 2012 type=SYSCALL
>>>>>>>>>> msg=audit(1327415018.414:42): arch=c000003e
>>>>>>>>>> syscall=2 success=no exit=-13 a0=7fff0fc10e50
>>>>>>>>>> a1=0 a2=7fff0fc10e79 a3=68 items=0 ppid=1180
>>>>>>>>>> pid=1365 auid=4294967295 uid=0 gid=48 euid=0
>>>>>>>>>> suid=0 fsuid=0 egid=48 sgid=48 fsgid=48
>>>>>>>>>> tty=(none) ses=4294967295 comm="/usr/sbin/httpd"
>>>>>>>>>> exe="/usr/sbin/httpd"
>>>>>>>>>> subj=system_u:system_r:httpd_t:s0 key=(null)
>>>>>>>>>> type=AVC msg=audit(1327415018.414:42): avc:
>>>>>>>>>> denied { search } for pid=1365
>>>>>>>>>> comm="/usr/sbin/httpd" name="yp" dev=dm-1
>>>>>>>>>> ino=1313161
>>>>>>>>>> scontext=system_u:system_r:httpd_t:s0
>>>>>>>>>> tcontext=system_u:object_r:var_yp_t:s0 tclass=dir
>>>>>>>>>> ---- time->Tue Jan 24 06:23:38 2012 type=SYSCALL
>>>>>>>>>> msg=audit(1327415018.414:43): arch=c000003e
>>>>>>>>>> syscall=2 success=no exit=-13 a0=7fff0fc10e50
>>>>>>>>>> a1=0 a2=7fff0fc10e79 a3=68 items=0 ppid=1180
>>>>>>>>>> pid=1364 auid=4294967295 uid=0 gid=48 euid=0
>>>>>>>>>> suid=0 fsuid=0 egid=48 sgid=48 fsgid=48
>>>>>>>>>> tty=(none) ses=4294967295 comm="/usr/sbin/httpd"
>>>>>>>>>> exe="/usr/sbin/httpd"
>>>>>>>>>> subj=system_u:system_r:httpd_t:s0 key=(null)
>>>>>>>>>> type=AVC msg=audit(1327415018.414:43): avc:
>>>>>>>>>> denied { search } for pid=1364
>>>>>>>>>> comm="/usr/sbin/httpd" name="yp" dev=dm-1
>>>>>>>>>> ino=1313161
>>>>>>>>>> scontext=system_u:system_r:httpd_t:s0
>>>>>>>>>> tcontext=system_u:object_r:var_yp_t:s0 tclass=dir
>>>>>>>>>> ---- time->Tue Jan 24 06:23:38 2012 type=SYSCALL
>>>>>>>>>> msg=audit(1327415018.415:44): arch=c000003e
>>>>>>>>>> syscall=2 success=no exit=-13 a0=7fff0fc10e50
>>>>>>>>>> a1=0 a2=7fff0fc10e79 a3=68 items=0 ppid=1180
>>>>>>>>>> pid=1366 auid=4294967295 uid=0 gid=48 euid=0
>>>>>>>>>> suid=0 fsuid=0 egid=48 sgid=48 fsgid=48
>>>>>>>>>> tty=(none) ses=4294967295 comm="/usr/sbin/httpd"
>>>>>>>>>> exe="/usr/sbin/httpd"
>>>>>>>>>> subj=system_u:system_r:httpd_t:s0 key=(null)
>>>>>>>>>> type=AVC msg=audit(1327415018.415:44): avc:
>>>>>>>>>> denied { search } for pid=1366
>>>>>>>>>> comm="/usr/sbin/httpd" name="yp" dev=dm-1
>>>>>>>>>> ino=1313161
>>>>>>>>>> scontext=system_u:system_r:httpd_t:s0
>>>>>>>>>> tcontext=system_u:object_r:var_yp_t:s0 tclass=dir
>>>>>>>>>> ---- time->Tue Jan 24 06:23:38 2012 type=SYSCALL
>>>>>>>>>> msg=audit(1327415018.416:45): arch=c000003e
>>>>>>>>>> syscall=2 success=no exit=-13 a0=7fff0fc10e50
>>>>>>>>>> a1=0 a2=7fff0fc10e79 a3=68 items=0 ppid=1180
>>>>>>>>>> pid=1363 auid=4294967295 uid=0 gid=48 euid=0
>>>>>>>>>> suid=0 fsuid=0 egid=48 sgid=48 fsgid=48
>>>>>>>>>> tty=(none) ses=4294967295 comm="/usr/sbin/httpd"
>>>>>>>>>> exe="/usr/sbin/httpd"
>>>>>>>>>> subj=system_u:system_r:httpd_t:s0 key=(null)
>>>>>>>>>> type=AVC msg=audit(1327415018.416:45): avc:
>>>>>>>>>> denied { search } for pid=1363
>>>>>>>>>> comm="/usr/sbin/httpd" name="yp" dev=dm-1
>>>>>>>>>> ino=1313161
>>>>>>>>>> scontext=system_u:system_r:httpd_t:s0
>>>>>>>>>> tcontext=system_u:object_r:var_yp_t:s0 tclass=dir
>>>>>>>>>> ---- time->Tue Jan 24 06:23:38 2012 type=SYSCALL
>>>>>>>>>> msg=audit(1327415018.418:46): arch=c000003e
>>>>>>>>>> syscall=42 success=no exit=-13 a0=3
>>>>>>>>>> a1=7fff071131f0 a2=10 a3=98 items=0 ppid=1367
>>>>>>>>>> pid=1369 auid=4294967295 uid=81 gid=81 euid=0
>>>>>>>>>> suid=0 fsuid=0 egid=81 sgid=81 fsgid=81
>>>>>>>>>> tty=(none) ses=4294967295 comm="dbus-daemon-lau"
>>>>>>>>>> exe="/lib64/dbus-1/dbus-daemon-launch-helper"
>>>>>>>>>> subj=system_u:system_r:system_dbusd_t:s0-s0:c0.c1023
>>>>>>>>>>
>>>>>>>>>>
key=(null) type=AVC msg=audit(1327415018.418:46): avc:
>>>>>>>>>> denied { name_connect } for pid=1369
>>>>>>>>>> comm="dbus-daemon-lau" dest=111
>>>>>>>>>> scontext=system_u:system_r:system_dbusd_t:s0-s0:c0.c1023
>>>>>>>>>>
>>>>>>>>>>
tcontext=system_u:object_r:portmap_port_t:s0
>>>>>>>>>> tclass=tcp_socket ---- time->Tue Jan 24 06:23:38
>>>>>>>>>> 2012 type=SYSCALL msg=audit(1327415018.418:47):
>>>>>>>>>> arch=c000003e syscall=49 success=no exit=-13 a0=3
>>>>>>>>>> a1=7fff07112f60 a2=10 a3=98 items=0 ppid=1367
>>>>>>>>>> pid=1369 auid=4294967295 uid=81 gid=81 euid=0
>>>>>>>>>> suid=0 fsuid=0 egid=81 sgid=81 fsgid=81
>>>>>>>>>> tty=(none) ses=4294967295 comm="dbus-daemon-lau"
>>>>>>>>>> exe="/lib64/dbus-1/dbus-daemon-launch-helper"
>>>>>>>>>> subj=system_u:system_r:system_dbusd_t:s0-s0:c0.c1023
>>>>>>>>>>
>>>>>>>>>>
key=(null) type=AVC msg=audit(1327415018.418:47): avc:
>>>>>>>>>> denied { name_bind } for pid=1369
>>>>>>>>>> comm="dbus-daemon-lau" src=697
>>>>>>>>>> scontext=system_u:system_r:system_dbusd_t:s0-s0:c0.c1023
>>>>>>>>>>
>>>>>>>>>>
tcontext=system_u:object_r:hi_reserved_port_t:s0
>>>>>>>>>> tclass=tcp_socket ---- time->Tue Jan 24 06:23:38
>>>>>>>>>> 2012 type=SYSCALL msg=audit(1327415018.418:48):
>>>>>>>>>> arch=c000003e syscall=42 success=no exit=-13 a0=3
>>>>>>>>>> a1=7fff071131f0 a2=10 a3=98 items=0 ppid=1367
>>>>>>>>>> pid=1369 auid=4294967295 uid=81 gid=81 euid=0
>>>>>>>>>> suid=0 fsuid=0 egid=81 sgid=81 fsgid=81
>>>>>>>>>> tty=(none) ses=4294967295 comm="dbus-daemon-lau"
>>>>>>>>>> exe="/lib64/dbus-1/dbus-daemon-launch-helper"
>>>>>>>>>> subj=system_u:system_r:system_dbusd_t:s0-s0:c0.c1023
>>>>>>>>>>
>>>>>>>>>>
key=(null) type=AVC msg=audit(1327415018.418:48): avc:
>>>>>>>>>> denied { name_connect } for pid=1369
>>>>>>>>>> comm="dbus-daemon-lau" dest=111
>>>>>>>>>> scontext=system_u:system_r:system_dbusd_t:s0-s0:c0.c1023
>>>>>>>>>>
>>>>>>>>>>
tcontext=system_u:object_r:portmap_port_t:s0
>>>>>>>>>> tclass=tcp_socket
>>>>>>> Do you have the allow_ypbind boolean permanantly turned
>>>>>>> on
>>>>>>>
>>>>>>> setsebool -P allow_ypbind 1
>>>>>>>
>>>>>>>> Yes, we permanently set this bool.
>>>>>>> If the init script is turning it on, you could see
>>>>>>> avc's like this.
>>>>>>>
>>>>>>> Have no idea what the bootloader->rpm_script one is.
>>>>>>>
>>>>>>> There used to be some kernel update scripts that were
>>>>>>> labeled as bootloader_exec_t? -- selinux mailing list
>>>>>>> selinux at lists.fedoraproject.org
>>>>>>> https://admin.fedoraproject.org/mailman/listinfo/selinux
>
>>>>>>>
Strange and these happen on every boot, and then stop?
>>>>> Just tried another reboot and got the same results so I
>>>>> would say that it happens on every boot.
>>>>>
>>>>>
>>>> -- selinux mailing list selinux at lists.fedoraproject.org
>>>> https://admin.fedoraproject.org/mailman/listinfo/selinux
>>> Could you make sure that the policy is installed correctly.
>>>
>>> # yum reinstall selinux-policy-targeted
>>>
>>> and see if something blows up.
>>
>> Same results as before. Did get a new avc just before the reboot
>> doing a yum update.
>
> To add more clarity to the boot up AVC, we did check for any sign
> of AVC when we reinstalled selinux-policy-targeted.
>
>> allow bootloader_t rpm_script_t:process transition; ----
>> time->Sat Jan 28 07:47:51 2012 type=SYSCALL
>> msg=audit(1327765671.705:3395): arch=c000003e syscall=59
>> success=ye s exit=0 a0=1429290 a1=12e3550 a2=7fffd4c974c8 a3=20
>> items=0 ppid=24868 pid=2487 8 auid=1000 uid=0 gid=0 euid=0 suid=0
>> fsuid=0 egid=0 sgid=0 fsgid=0 tty=pts0 ses =404 comm="sh"
>> exe="/bin/bash"
>> subj=unconfined_u:system_r:rpm_script_t:s0-s0:c0. c1023
>> key=(null) type=AVC msg=audit(1327765671.705:3395): avc: denied
>> { transition } for pid=24878 comm="rpm" path="/bin/bash"
>> dev=dm-1 ino=393240
>> scontext=unconfined_u:system_r:bootloader_t:s0-s0:c0.c1023
>> tcontext=unconfined_u:system_r:rpm_script_t:s0-s0:c0.c1023
>> tclass=process
>
> Packages in this update were: Jan 28 07:46:28 Updated:
> libuuid-2.20.1-2.2.fc16.x86_64 Jan 28 07:46:29 Updated:
> libblkid-2.20.1-2.2.fc16.x86_64 Jan 28 07:46:29 Updated:
> 12:dhcp-libs-4.2.3-6.P2.fc16.x86_64 Jan 28 07:46:29 Updated:
> libcurl-7.21.7-6.fc16.x86_64 Jan 28 07:46:30 Updated:
> curl-7.21.7-6.fc16.x86_64 Jan 28 07:46:30 Updated:
> 12:dhcp-common-4.2.3-6.P2.fc16.x86_64 Jan 28 07:46:31 Updated:
> libmount-2.20.1-2.2.fc16.x86_64 Jan 28 07:46:32 Updated:
> setroubleshoot-server-3.1.2-1.fc16.x86_64 Jan 28 07:46:32
> Installed: python-tornado-2.1.1-1.fc16.noarch Jan 28 07:46:33
> Updated: python-kitchen-1.1.0-1.fc16.noarch Jan 28 07:46:33
> Updated: pyrpkg-1.11-1.fc16.noarch Jan 28 07:46:34 Updated:
> mozilla-firetray-core-0.3.6-0.1.143svn.fc16.x86_64 Jan 28 07:46:39
> Installed: kernel-3.2.2-1.fc16.x86_64 Jan 28 07:46:40 Updated:
> xorg-x11-drv-intel-2.17.0-8.fc16.x86_64 Jan 28 07:46:40 Updated:
> mozilla-firetray-thunderbird-0.3.6-0.1.143svn.fc16.x86_64 Jan 28
> 07:46:40 Updated: fedpkg-1.7-1.fc16.noarch Jan 28 07:46:42 Updated:
> ipython-0.12-2.fc16.noarch Jan 28 07:46:43 Updated:
> setroubleshoot-3.1.2-1.fc16.x86_64 Jan 28 07:46:44 Updated:
> util-linux-2.20.1-2.2.fc16.x86_64 Jan 28 07:46:44 Updated:
> 12:dhclient-4.2.3-6.P2.fc16.x86_64 Jan 28 07:46:46 Updated:
> libcurl-devel-7.21.7-6.fc16.x86_64 Jan 28 07:46:47 Updated:
> rsyslog-5.8.7-1.fc16.x86_64 Jan 28 07:46:48 Updated:
> t1lib-5.1.2-9.fc16.x86_64 Jan 28 07:46:49 Updated:
> kernel-headers-3.2.2-1.fc16.x86_64 Jan 28 07:46:59 Installed:
> kernel-devel-3.2.2-1.fc16.x86_64 Jan 28 07:47:00 Updated:
> mdadm-3.2.3-3.fc16.x86_64
>> -- selinux mailing list selinux at lists.fedoraproject.org
>> https://admin.fedoraproject.org/mailman/listinfo/selinux
>>
>
>
Any idea of what process is running as bootloader_t?
ps -eZ | grep bootloader_t
or
find /sbin/ -context "*:bootloader_exec_t*"
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