Looks like this happens again with the latest update:

 ===============================================================================
  Package                   Arch     Version               Repository 
     Size
 ===============================================================================
Updating:
  selinux-policy            noarch   3.7.19-126.el6_2.4    sl6x-security 
   771 k
  selinux-policy-targeted   noarch   3.7.19-126.el6_2.4    sl6x-security 
   2.5 M

Transaction Summary
 ===============================================================================
Upgrade       2 Package(s)

Total download size: 3.2 M
SELinux:  Could not downgrade policy file 
/etc/selinux/targeted/policy/policy.24, searching for an older version.
SELinux:  Could not open policy file <= 
/etc/selinux/targeted/policy/policy.24:  No such file or directory
load_policy:  Can't load policy:  No such file or directory

Updated:
   selinux-policy.noarch 0:3.7.19-126.el6_2.4 

   selinux-policy-targeted.noarch 0:3.7.19-126.el6_2.4

-- 
Steven Haigh

Email: [log in to unmask]
Web: http://www.crc.id.au
Phone: (03) 9001 6090 - 0412 935 897
Fax: (03) 8338 0299

On 17/12/2011 1:30 PM, Steven Haigh wrote:
> Hi all,
>
> I noticed that all my SL6x systems have updated to the following selinux
> packages overnight:
> selinux-policy noarch 3.7.19-126.el6 sl6x-security 771 k
> selinux-policy-targeted noarch 3.7.19-126.el6 sl6x-security 2.5 M
>
> In the email logs on every system I notice:
> SELinux: Could not downgrade policy file
> /etc/selinux/targeted/policy/policy.24, searching for an older version.
> SELinux: Could not open policy file <=
> /etc/selinux/targeted/policy/policy.24: No such file or directory
> load_policy: Can't load policy: No such file or directory
>
> As I usually disable SELinux on all my systems, I'm not sure if this
> will have any effect for those who still run with SELinux enabled - but
> it seems strange so I thought I'd report it...
>