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Category:   OS (UNIX)  >   Solaris Vendors:   Sun
Solaris CPU Performance Counters Subsystem Lets Local Users Deny Service
SecurityTracker Alert ID:  1019490
SecurityTracker URL:  http://securitytracker.com/id/1019490
CVE Reference:   CVE-2008-0933   (Links to External Site)
Updated:  Mar 19 2008
Original Entry Date:  Feb 22 2008
Impact:   Denial of service via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 10
Description:   A vulnerability was reported in Solaris. A local user can cause denial of service conditions.

A local user can exploit two race condition vulnerabilities in the CPU Performance Counters (cpc(3CPC) subsystem to trigger a kernel panic.

The kcpc_restore() and kcpc_unbind() functions can trigger these vulnerabilities.

Impact:   A local user can cause denial of service conditions on the target system.
Solution:   Sun has issued the following fix.

SPARC Platform:

* Solaris 10 with patch 127111-08 or later

x86 Platform:

* Solaris 10 with patch 127112-08 or later

The vendor's advisory is available at:

http://sunsolve.sun.com/search/document.do?assetkey=1-66-231466-1

Vendor URL:  sunsolve.sun.com/search/document.do?assetkey=1-66-231466-1 (Links to External Site)
Cause:   Exception handling error

Message History:   None.


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