ESB-2018.2502 - [SUSE] xen: Access privileged data - Existing account 2018-08-23

Printable version
PGP/GPG verifiable version

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.2502
                          Security update for xen
                              23 August 2018

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           xen
Publisher:         SUSE
Operating System:  SUSE
Impact/Access:     Access Privileged Data -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-3646  

Reference:         ESB-2018.2487
                   ESB-2018.2445.2
                   ESB-2018.2436
                   ESB-2018.2404

Original Bulletin: 
   https://www.suse.com/support/update/announcement/2018/suse-su-20182480-1.html
   https://www.suse.com/support/update/announcement/2018/suse-su-20182482-1.html

Comment: This bulletin contains two (2) security advisories.

- --------------------------BEGIN INCLUDED TEXT--------------------

   SUSE Security Update: Security update for xen
______________________________________________________________________________

Announcement ID:    SUSE-SU-2018:2480-1
Rating:             important
References:         #1027519 #1091107 
Cross-References:   CVE-2018-3646
Affected Products:
                    SUSE Linux Enterprise Server for SAP 12-SP1
                    SUSE Linux Enterprise Server 12-SP1-LTSS
______________________________________________________________________________

   An update that solves one vulnerability and has one errata
   is now available.

Description:

   This update for xen fixes the following security issue:

   - CVE-2018-3646: Systems with microprocessors utilizing speculative
     execution and address translations may have allowed unauthorized
     disclosure of information residing in the L1 data cache to an attacker
     with local user access with guest OS privilege via a terminal page fault
     and a side-channel analysis (bsc#1091107, bsc#1027519).


Patch Instructions:

   To install this SUSE Security Update use the SUSE recommended installation methods
   like YaST online_update or "zypper patch".

   Alternatively you can run the command listed for your product:

   - SUSE Linux Enterprise Server for SAP 12-SP1:

      zypper in -t patch SUSE-SLE-SAP-12-SP1-2018-1743=1

   - SUSE Linux Enterprise Server 12-SP1-LTSS:

      zypper in -t patch SUSE-SLE-SERVER-12-SP1-2018-1743=1



Package List:

   - SUSE Linux Enterprise Server for SAP 12-SP1 (x86_64):

      xen-4.5.5_26-22.55.2
      xen-debugsource-4.5.5_26-22.55.2
      xen-doc-html-4.5.5_26-22.55.2
      xen-kmp-default-4.5.5_26_k3.12.74_60.64.99-22.55.2
      xen-kmp-default-debuginfo-4.5.5_26_k3.12.74_60.64.99-22.55.2
      xen-libs-32bit-4.5.5_26-22.55.2
      xen-libs-4.5.5_26-22.55.2
      xen-libs-debuginfo-32bit-4.5.5_26-22.55.2
      xen-libs-debuginfo-4.5.5_26-22.55.2
      xen-tools-4.5.5_26-22.55.2
      xen-tools-debuginfo-4.5.5_26-22.55.2
      xen-tools-domU-4.5.5_26-22.55.2
      xen-tools-domU-debuginfo-4.5.5_26-22.55.2

   - SUSE Linux Enterprise Server 12-SP1-LTSS (x86_64):

      xen-4.5.5_26-22.55.2
      xen-debugsource-4.5.5_26-22.55.2
      xen-doc-html-4.5.5_26-22.55.2
      xen-kmp-default-4.5.5_26_k3.12.74_60.64.99-22.55.2
      xen-kmp-default-debuginfo-4.5.5_26_k3.12.74_60.64.99-22.55.2
      xen-libs-32bit-4.5.5_26-22.55.2
      xen-libs-4.5.5_26-22.55.2
      xen-libs-debuginfo-32bit-4.5.5_26-22.55.2
      xen-libs-debuginfo-4.5.5_26-22.55.2
      xen-tools-4.5.5_26-22.55.2
      xen-tools-debuginfo-4.5.5_26-22.55.2
      xen-tools-domU-4.5.5_26-22.55.2
      xen-tools-domU-debuginfo-4.5.5_26-22.55.2


References:

   https://www.suse.com/security/cve/CVE-2018-3646.html
   https://bugzilla.suse.com/1027519
   https://bugzilla.suse.com/1091107

_______________________________________________

=============================================================================

   SUSE Security Update: Security update for xen
______________________________________________________________________________

Announcement ID:    SUSE-SU-2018:2482-1
Rating:             important
References:         #1027519 #1091107 #1092631 #1101684 #1102116 
                    
Cross-References:   CVE-2018-3646
Affected Products:
                    SUSE Linux Enterprise Software Development Kit 11-SP4
                    SUSE Linux Enterprise Server 11-SP4
                    SUSE Linux Enterprise Debuginfo 11-SP4
______________________________________________________________________________

   An update that solves one vulnerability and has four fixes
   is now available.

Description:

   This update for xen fixes the following issues:

   This security issue was fixed:

   - CVE-2018-3646: Systems with microprocessors utilizing speculative
     execution and address translations may have allowed unauthorized
     disclosure of information residing in the L1 data cache to an attacker
     with local user access with guest OS privilege via a terminal page fault
     and a side-channel analysis (bsc#1091107, bsc#1027519).

   These non-security issues were fixed:

   - bsc#1102116: SSBD is not virtualized for guests
   - bsc#1092631: Preserve the xl dmesg output after boot for determining
     what speculative mitigations have been detected by the hypervisor.
   - bsc#1101684: Make xen able to disable the visibility of the new CPU
     flags.


Patch Instructions:

   To install this SUSE Security Update use the SUSE recommended installation methods
   like YaST online_update or "zypper patch".

   Alternatively you can run the command listed for your product:

   - SUSE Linux Enterprise Software Development Kit 11-SP4:

      zypper in -t patch sdksp4-xen-13749=1

   - SUSE Linux Enterprise Server 11-SP4:

      zypper in -t patch slessp4-xen-13749=1

   - SUSE Linux Enterprise Debuginfo 11-SP4:

      zypper in -t patch dbgsp4-xen-13749=1



Package List:

   - SUSE Linux Enterprise Software Development Kit 11-SP4 (i586 x86_64):

      xen-devel-4.4.4_36-61.37.2

   - SUSE Linux Enterprise Server 11-SP4 (i586 x86_64):

      xen-kmp-default-4.4.4_36_3.0.101_108.68-61.37.2
      xen-libs-4.4.4_36-61.37.2
      xen-tools-domU-4.4.4_36-61.37.2

   - SUSE Linux Enterprise Server 11-SP4 (x86_64):

      xen-4.4.4_36-61.37.2
      xen-doc-html-4.4.4_36-61.37.2
      xen-libs-32bit-4.4.4_36-61.37.2
      xen-tools-4.4.4_36-61.37.2

   - SUSE Linux Enterprise Server 11-SP4 (i586):

      xen-kmp-pae-4.4.4_36_3.0.101_108.68-61.37.2

   - SUSE Linux Enterprise Debuginfo 11-SP4 (i586 x86_64):

      xen-debuginfo-4.4.4_36-61.37.2
      xen-debugsource-4.4.4_36-61.37.2


References:

   https://www.suse.com/security/cve/CVE-2018-3646.html
   https://bugzilla.suse.com/1027519
   https://bugzilla.suse.com/1091107
   https://bugzilla.suse.com/1092631
   https://bugzilla.suse.com/1101684
   https://bugzilla.suse.com/1102116

_______________________________________________

- --------------------------END INCLUDED TEXT--------------------

You have received this e-mail bulletin as a result of your organisation's
registration with AusCERT. The mailing list you are subscribed to is
maintained within your organisation, so if you do not wish to continue
receiving these bulletins you should contact your local IT manager. If
you do not know who that is, please send an email to auscert@auscert.org.au
and we will forward your request to the appropriate person.

NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members.  As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content. The decision to follow or act on information or advice
contained in this security bulletin is the responsibility of each user or
organisation, and should be considered in accordance with your organisation's
site policies and procedures. AusCERT takes no responsibility for consequences
which may arise from following or acting on information or advice contained in
this security bulletin.

NOTE: This is only the original release of the security bulletin.  It may
not be updated when updates to the original are made.  If downloading at
a later date, it is recommended that the bulletin is retrieved directly
from the author's website to ensure that the information is still current.

Contact information for the authors of the original document is included
in the Security Bulletin above.  If you have any questions or need further
information, please contact them directly.

Previous advisories and external security bulletins can be retrieved from:

        https://www.auscert.org.au/bulletins/

===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
Facsimile:      (07) 3365 7031
Telephone:      (07) 3365 4417 (International: +61 7 3365 4417)
                AusCERT personnel answer during Queensland business hours
                which are GMT+10:00 (AEST).
                On call after hours for member emergencies only.
===========================================================================
-----BEGIN PGP SIGNATURE-----
Comment: http://www.auscert.org.au/render.html?it=1967
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=Ob87
-----END PGP SIGNATURE-----

« Back to bulletins