I got a flood of messages this morning after rebooting into the latest kernel
2.6.23.1-10.fc7 #1 SMP this morning. These had to with udev being denied
whilst it was trying to do various things by Selinux:
**************************************************************************
Here's an example from SETroubleshooter:
Summary
SELinux is preventing /sbin/udevd (udev_t) "relabelfrom" to scsi-
SATA_WDC_WD5000YS-01_WD-WMANU1397503-part1 (device_t).
Detailed Description
SELinux denied access requested by /sbin/udevd. It is not expected that
this
access is required by /sbin/udevd and this access may signal an intrusion
attempt. It is also possible that the specific version or configuration of
the application is causing it to require additional access.
Allowing Access
Sometimes labeling problems can cause SELinux denials. You could try to
restore the default system file context for scsi-SATA_WDC_WD5000YS-01_WD-
WMANU1397503-part1, restorecon -v scsi-SATA_WDC_WD5000YS-01_WD-
WMANU1397503-part1 If this does not work, there is currently no automatic
way to allow this access. Instead, you can generate a local policy module
to allow this access - see http://fedora.redhat.com/docs/selinux-faq-
fc5/#id2961385 Or you can disable SELinux protection altogether. Disabling
SELinux protection is not recommended. Please file a
http://bugzilla.redhat.com/bugzilla/enter_bug.cgi against this package.
Additional Information
Source Context system_u:system_r:udev_t:SystemLow-SystemHigh
Target Context system_u:object_r:device_t
Target Objects scsi-SATA_WDC_WD5000YS-01_WD-WMANU1397503-part1
[
lnk_file ]
Affected RPM Packages udev-113-12.fc7 [application]
Policy RPM selinux-policy-2.6.4-48.fc7
Selinux Enabled True
Policy Type targeted
MLS Enabled True
Enforcing Mode Enforcing
Plugin Name plugins.catchall_file
Host Name tehogee1
Platform Linux tehogee1 2.6.22.9-91.fc7 #1 SMP Thu Sep 27
23:10:59 EDT 2007 i686 i686
Alert Count 1
First Seen Thu 01 Nov 2007 08:25:05 AM EDT
Last Seen Thu 01 Nov 2007 08:25:05 AM EDT
Local ID 21dae078-ca08-4ced-bf62-a09da895c7a4
Line Numbers
Raw Audit Messages
avc: denied { relabelfrom } for comm="udevd" dev=tmpfs egid=0 euid=0
exe="/sbin/udevd" exit=-13 fsgid=0 fsuid=0 gid=0 items=0 name="scsi-
SATA_WDC_WD5000YS-01_WD-WMANU1397503-part1" pid=24234
scontext=system_u:system_r:udev_t:s0-s0:c0.c1023 sgid=0
subj=system_u:system_r:udev_t:s0-s0:c0.c1023 suid=0 tclass=lnk_file
tcontext=system_u:object_r:device_t:s0 tty=(none) uid=0
***************************************************************
Is anyone else seeing anything like this? I probably got over 50 of these! The
machine is up, and seems to be running normally, though I haven't done much
beyond composing this email.
--
Claude Jones
Brunswick, MD, USA
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