Patch-ID# 117163-01
Keywords: x86 cpc channel communication
Synopsis: SunOS 5.9_x86: patch usr/src/uts/common/sys/cpc_impl.h
Date: Aug/23/2004


Install Requirements: Reboot after installation                      
                      
Solaris Release: 9_x86

SunOS Release: 5.9_x86

Unbundled Product: 

Unbundled Release: 

Xref: 

Topic: SunOS 5.9_x86: patch usr/src/uts/common/sys/cpc_impl.h

Relevant Architectures: i386

BugId's fixed with this patch: 4943059 4948972

Changes incorporated in this version: 4943059 4948972

Patches accumulated and obsoleted by this patch: 

Patches which conflict with this patch: 

Patches required with this patch: 

Obsoleted by: 

Files included with this patch: 

/usr/include/sys/cpc_impl.h

Problem Description:

4943059 invalidated counter contexts must be stopped
4948972 x86 CPC registers can be used for covert channel communication

Patch Installation Instructions:
--------------------------------
 
For Solaris 2.0-2.6 releases, refer to the Install.info file and/or
the README within the patch for instructions on using the generic
'installpatch' and 'backoutpatch' scripts provided with each patch.
 
For Solaris 7-9 releases, refer to the man pages for instructions
on using 'patchadd' and 'patchrm' scripts provided with Solaris.
Any other special or non-generic installation instructions should be
described below as special instructions.  The following example
installs a patch to a standalone machine:
 
       example# patchadd /var/spool/patch/104945-02
 
The following example removes a patch from a standalone system:
 
       example# patchrm 104945-02
 
For additional examples please see the appropriate man pages.

Special Install Instructions:
-----------------------------
 
NOTE:   To get a complete fix for bug 4943059 (invalidated counter
        contexts must be stopped) and bug 4948972 (x86 CPC registers
        can be used for covert channel communication), please install
        patch 117172-07 or newer.

README -- Last modified date:  Monday, September 27, 2004

