Operating System:

[SUSE]

Published:

27 September 2021

Protect yourself against future threats.

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

                               ESB-2021.3223
                          Security update for xen
                             27 September 2021

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

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

Product:           xen
Publisher:         SUSE
Operating System:  SUSE
Impact/Access:     Increased Privileges -- Existing Account
                   Denial of Service    -- Existing Account
                   Unauthorised Access  -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2021-28701  

Reference:         ESB-2021.3189
                   ESB-2021.3151
                   ESB-2021.3023

Original Bulletin: 
   https://www.suse.com/support/update/announcement/2021/suse-su-20213213-1

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SUSE Security Update: Security update for xen

______________________________________________________________________________

Announcement ID:   SUSE-SU-2021:3213-1
Rating:            important
References:        #1189373 #1189378 #1189632
Cross-References:  CVE-2021-28701
Affected Products:
                   SUSE OpenStack Cloud Crowbar 8
                   SUSE OpenStack Cloud 8
                   SUSE Linux Enterprise Server for SAP 12-SP3
                   SUSE Linux Enterprise Server 12-SP3-LTSS
                   SUSE Linux Enterprise Server 12-SP3-BCL
                   HPE Helion Openstack 8
______________________________________________________________________________

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

Description:

This update for xen fixes the following issues:

  o CVE-2021-28701: Fixed race condition in XENMAPSPACE_grant_table handling
    (XSA-384) (bsc#1189632).


  o Integrate bugfixes (bsc#1189373, bsc#1189378).

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:

  o SUSE OpenStack Cloud Crowbar 8:
    zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-8-2021-3213=1
  o SUSE OpenStack Cloud 8:
    zypper in -t patch SUSE-OpenStack-Cloud-8-2021-3213=1
  o SUSE Linux Enterprise Server for SAP 12-SP3:
    zypper in -t patch SUSE-SLE-SAP-12-SP3-2021-3213=1
  o SUSE Linux Enterprise Server 12-SP3-LTSS:
    zypper in -t patch SUSE-SLE-SERVER-12-SP3-2021-3213=1
  o SUSE Linux Enterprise Server 12-SP3-BCL:
    zypper in -t patch SUSE-SLE-SERVER-12-SP3-BCL-2021-3213=1
  o HPE Helion Openstack 8:
    zypper in -t patch HPE-Helion-OpenStack-8-2021-3213=1

Package List:

  o SUSE OpenStack Cloud Crowbar 8 (x86_64):
       xen-4.9.4_22-3.94.2
       xen-debugsource-4.9.4_22-3.94.2
       xen-doc-html-4.9.4_22-3.94.2
       xen-libs-32bit-4.9.4_22-3.94.2
       xen-libs-4.9.4_22-3.94.2
       xen-libs-debuginfo-32bit-4.9.4_22-3.94.2
       xen-libs-debuginfo-4.9.4_22-3.94.2
       xen-tools-4.9.4_22-3.94.2
       xen-tools-debuginfo-4.9.4_22-3.94.2
       xen-tools-domU-4.9.4_22-3.94.2
       xen-tools-domU-debuginfo-4.9.4_22-3.94.2
  o SUSE OpenStack Cloud 8 (x86_64):
       xen-4.9.4_22-3.94.2
       xen-debugsource-4.9.4_22-3.94.2
       xen-doc-html-4.9.4_22-3.94.2
       xen-libs-32bit-4.9.4_22-3.94.2
       xen-libs-4.9.4_22-3.94.2
       xen-libs-debuginfo-32bit-4.9.4_22-3.94.2
       xen-libs-debuginfo-4.9.4_22-3.94.2
       xen-tools-4.9.4_22-3.94.2
       xen-tools-debuginfo-4.9.4_22-3.94.2
       xen-tools-domU-4.9.4_22-3.94.2
       xen-tools-domU-debuginfo-4.9.4_22-3.94.2
  o SUSE Linux Enterprise Server for SAP 12-SP3 (x86_64):
       xen-4.9.4_22-3.94.2
       xen-debugsource-4.9.4_22-3.94.2
       xen-doc-html-4.9.4_22-3.94.2
       xen-libs-32bit-4.9.4_22-3.94.2
       xen-libs-4.9.4_22-3.94.2
       xen-libs-debuginfo-32bit-4.9.4_22-3.94.2
       xen-libs-debuginfo-4.9.4_22-3.94.2
       xen-tools-4.9.4_22-3.94.2
       xen-tools-debuginfo-4.9.4_22-3.94.2
       xen-tools-domU-4.9.4_22-3.94.2
       xen-tools-domU-debuginfo-4.9.4_22-3.94.2
  o SUSE Linux Enterprise Server 12-SP3-LTSS (x86_64):
       xen-4.9.4_22-3.94.2
       xen-debugsource-4.9.4_22-3.94.2
       xen-doc-html-4.9.4_22-3.94.2
       xen-libs-32bit-4.9.4_22-3.94.2
       xen-libs-4.9.4_22-3.94.2
       xen-libs-debuginfo-32bit-4.9.4_22-3.94.2
       xen-libs-debuginfo-4.9.4_22-3.94.2
       xen-tools-4.9.4_22-3.94.2
       xen-tools-debuginfo-4.9.4_22-3.94.2
       xen-tools-domU-4.9.4_22-3.94.2
       xen-tools-domU-debuginfo-4.9.4_22-3.94.2
  o SUSE Linux Enterprise Server 12-SP3-BCL (x86_64):
       xen-4.9.4_22-3.94.2
       xen-debugsource-4.9.4_22-3.94.2
       xen-doc-html-4.9.4_22-3.94.2
       xen-libs-32bit-4.9.4_22-3.94.2
       xen-libs-4.9.4_22-3.94.2
       xen-libs-debuginfo-32bit-4.9.4_22-3.94.2
       xen-libs-debuginfo-4.9.4_22-3.94.2
       xen-tools-4.9.4_22-3.94.2
       xen-tools-debuginfo-4.9.4_22-3.94.2
       xen-tools-domU-4.9.4_22-3.94.2
       xen-tools-domU-debuginfo-4.9.4_22-3.94.2
  o HPE Helion Openstack 8 (x86_64):
       xen-4.9.4_22-3.94.2
       xen-debugsource-4.9.4_22-3.94.2
       xen-doc-html-4.9.4_22-3.94.2
       xen-libs-32bit-4.9.4_22-3.94.2
       xen-libs-4.9.4_22-3.94.2
       xen-libs-debuginfo-32bit-4.9.4_22-3.94.2
       xen-libs-debuginfo-4.9.4_22-3.94.2
       xen-tools-4.9.4_22-3.94.2
       xen-tools-debuginfo-4.9.4_22-3.94.2
       xen-tools-domU-4.9.4_22-3.94.2
       xen-tools-domU-debuginfo-4.9.4_22-3.94.2


References:

  o https://www.suse.com/security/cve/CVE-2021-28701.html
  o https://bugzilla.suse.com/1189373
  o https://bugzilla.suse.com/1189378
  o https://bugzilla.suse.com/1189632

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