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

                               ESB-2021.1314
                          Security update for xen
                               20 April 2021

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

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

Product:           xen
Publisher:         SUSE
Operating System:  SUSE
Impact/Access:     Increased Privileges   -- Existing Account
                   Modify Arbitrary Files -- Existing Account
                   Denial of Service      -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2021-27379 CVE-2021-20257 CVE-2021-3419

Reference:         ESB-2021.1210
                   ESB-2021.1205
                   ESB-2021.1181

Original Bulletin: 
   https://www.suse.com/support/update/announcement/2021/suse-su-20211252-1
   https://www.suse.com/support/update/announcement/2021/suse-su-20211251-1
   https://www.suse.com/support/update/announcement/2021/suse-su-20211250-1
   https://www.suse.com/support/update/announcement/2021/suse-su-202114702-1

Comment: This bulletin contains four (4) SUSE security advisories.

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

SUSE Security Update: Security update for xen

______________________________________________________________________________

Announcement ID:   SUSE-SU-2021:1252-1
Rating:            important
References:        #1182431 #1182846
Cross-References:  CVE-2021-20257 CVE-2021-27379
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 fixes two vulnerabilities is now available.

Description:

This update for xen fixes the following issues:

  o CVE-2021-20257: xen: infinite loop issue in the e1000 NIC emulator (bsc#
    1182846).
  o CVE-2021-27379: Fixed an issue where entries in the IOMMU were not being
    updated under certain circumstances due to improper backport of XSA-321
    (XSA-366, bsc#1182431).

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-8-2021-1252=1
  o SUSE OpenStack Cloud 8:
    zypper in -t patch SUSE-OpenStack-Cloud-8-2021-1252=1
  o SUSE Linux Enterprise Server for SAP 12-SP3:
    zypper in -t patch SUSE-SLE-SAP-12-SP3-2021-1252=1
  o SUSE Linux Enterprise Server 12-SP3-LTSS:
    zypper in -t patch SUSE-SLE-SERVER-12-SP3-2021-1252=1
  o SUSE Linux Enterprise Server 12-SP3-BCL:
    zypper in -t patch SUSE-SLE-SERVER-12-SP3-BCL-2021-1252=1
  o HPE Helion Openstack 8:
    zypper in -t patch HPE-Helion-OpenStack-8-2021-1252=1

Package List:

  o SUSE OpenStack Cloud Crowbar 8 (x86_64):
       xen-4.9.4_16-3.83.1
       xen-debugsource-4.9.4_16-3.83.1
       xen-doc-html-4.9.4_16-3.83.1
       xen-libs-32bit-4.9.4_16-3.83.1
       xen-libs-4.9.4_16-3.83.1
       xen-libs-debuginfo-32bit-4.9.4_16-3.83.1
       xen-libs-debuginfo-4.9.4_16-3.83.1
       xen-tools-4.9.4_16-3.83.1
       xen-tools-debuginfo-4.9.4_16-3.83.1
       xen-tools-domU-4.9.4_16-3.83.1
       xen-tools-domU-debuginfo-4.9.4_16-3.83.1
  o SUSE OpenStack Cloud 8 (x86_64):
       xen-4.9.4_16-3.83.1
       xen-debugsource-4.9.4_16-3.83.1
       xen-doc-html-4.9.4_16-3.83.1
       xen-libs-32bit-4.9.4_16-3.83.1
       xen-libs-4.9.4_16-3.83.1
       xen-libs-debuginfo-32bit-4.9.4_16-3.83.1
       xen-libs-debuginfo-4.9.4_16-3.83.1
       xen-tools-4.9.4_16-3.83.1
       xen-tools-debuginfo-4.9.4_16-3.83.1
       xen-tools-domU-4.9.4_16-3.83.1
       xen-tools-domU-debuginfo-4.9.4_16-3.83.1
  o SUSE Linux Enterprise Server for SAP 12-SP3 (x86_64):
       xen-4.9.4_16-3.83.1
       xen-debugsource-4.9.4_16-3.83.1
       xen-doc-html-4.9.4_16-3.83.1
       xen-libs-32bit-4.9.4_16-3.83.1
       xen-libs-4.9.4_16-3.83.1
       xen-libs-debuginfo-32bit-4.9.4_16-3.83.1
       xen-libs-debuginfo-4.9.4_16-3.83.1
       xen-tools-4.9.4_16-3.83.1
       xen-tools-debuginfo-4.9.4_16-3.83.1
       xen-tools-domU-4.9.4_16-3.83.1
       xen-tools-domU-debuginfo-4.9.4_16-3.83.1
  o SUSE Linux Enterprise Server 12-SP3-LTSS (x86_64):
       xen-4.9.4_16-3.83.1
       xen-debugsource-4.9.4_16-3.83.1
       xen-doc-html-4.9.4_16-3.83.1
       xen-libs-32bit-4.9.4_16-3.83.1
       xen-libs-4.9.4_16-3.83.1
       xen-libs-debuginfo-32bit-4.9.4_16-3.83.1
       xen-libs-debuginfo-4.9.4_16-3.83.1
       xen-tools-4.9.4_16-3.83.1
       xen-tools-debuginfo-4.9.4_16-3.83.1
       xen-tools-domU-4.9.4_16-3.83.1
       xen-tools-domU-debuginfo-4.9.4_16-3.83.1
  o SUSE Linux Enterprise Server 12-SP3-BCL (x86_64):
       xen-4.9.4_16-3.83.1
       xen-debugsource-4.9.4_16-3.83.1
       xen-doc-html-4.9.4_16-3.83.1
       xen-libs-32bit-4.9.4_16-3.83.1
       xen-libs-4.9.4_16-3.83.1
       xen-libs-debuginfo-32bit-4.9.4_16-3.83.1
       xen-libs-debuginfo-4.9.4_16-3.83.1
       xen-tools-4.9.4_16-3.83.1
       xen-tools-debuginfo-4.9.4_16-3.83.1
       xen-tools-domU-4.9.4_16-3.83.1
       xen-tools-domU-debuginfo-4.9.4_16-3.83.1
  o HPE Helion Openstack 8 (x86_64):
       xen-4.9.4_16-3.83.1
       xen-debugsource-4.9.4_16-3.83.1
       xen-doc-html-4.9.4_16-3.83.1
       xen-libs-32bit-4.9.4_16-3.83.1
       xen-libs-4.9.4_16-3.83.1
       xen-libs-debuginfo-32bit-4.9.4_16-3.83.1
       xen-libs-debuginfo-4.9.4_16-3.83.1
       xen-tools-4.9.4_16-3.83.1
       xen-tools-debuginfo-4.9.4_16-3.83.1
       xen-tools-domU-4.9.4_16-3.83.1
       xen-tools-domU-debuginfo-4.9.4_16-3.83.1


References:

  o https://www.suse.com/security/cve/CVE-2021-20257.html
  o https://www.suse.com/security/cve/CVE-2021-27379.html
  o https://bugzilla.suse.com/1182431
  o https://bugzilla.suse.com/1182846


- --------------------------------------------------------------------------------


SUSE Security Update: Security update for xen

______________________________________________________________________________

Announcement ID:   SUSE-SU-2021:1251-1
Rating:            important
References:        #1178591 #1182431 #1182846
Cross-References:  CVE-2021-20257 CVE-2021-27379
Affected Products:
                   SUSE OpenStack Cloud Crowbar 9
                   SUSE OpenStack Cloud 9
                   SUSE Linux Enterprise Server for SAP 12-SP4
                   SUSE Linux Enterprise Server 12-SP4-LTSS
______________________________________________________________________________

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

Description:

This update for xen fixes the following issues:

  o CVE-2021-27379: Fixed an issue where entries in the IOMMU were not being
    updated under certain circumstances due to improper backport of XSA-321
    (XSA-366, bsc#1182431)
  o CVE-2021-20257: Fixed an infinite loop in the e1000 NIC emulator (bsc#
    1182846)

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 9:
    zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-9-2021-1251=1
  o SUSE OpenStack Cloud 9:
    zypper in -t patch SUSE-OpenStack-Cloud-9-2021-1251=1
  o SUSE Linux Enterprise Server for SAP 12-SP4:
    zypper in -t patch SUSE-SLE-SAP-12-SP4-2021-1251=1
  o SUSE Linux Enterprise Server 12-SP4-LTSS:
    zypper in -t patch SUSE-SLE-SERVER-12-SP4-LTSS-2021-1251=1

Package List:

  o SUSE OpenStack Cloud Crowbar 9 (x86_64):
       xen-4.11.4_16-2.51.1
       xen-debugsource-4.11.4_16-2.51.1
       xen-doc-html-4.11.4_16-2.51.1
       xen-libs-32bit-4.11.4_16-2.51.1
       xen-libs-4.11.4_16-2.51.1
       xen-libs-debuginfo-32bit-4.11.4_16-2.51.1
       xen-libs-debuginfo-4.11.4_16-2.51.1
       xen-tools-4.11.4_16-2.51.1
       xen-tools-debuginfo-4.11.4_16-2.51.1
       xen-tools-domU-4.11.4_16-2.51.1
       xen-tools-domU-debuginfo-4.11.4_16-2.51.1
  o SUSE OpenStack Cloud 9 (x86_64):
       xen-4.11.4_16-2.51.1
       xen-debugsource-4.11.4_16-2.51.1
       xen-doc-html-4.11.4_16-2.51.1
       xen-libs-32bit-4.11.4_16-2.51.1
       xen-libs-4.11.4_16-2.51.1
       xen-libs-debuginfo-32bit-4.11.4_16-2.51.1
       xen-libs-debuginfo-4.11.4_16-2.51.1
       xen-tools-4.11.4_16-2.51.1
       xen-tools-debuginfo-4.11.4_16-2.51.1
       xen-tools-domU-4.11.4_16-2.51.1
       xen-tools-domU-debuginfo-4.11.4_16-2.51.1
  o SUSE Linux Enterprise Server for SAP 12-SP4 (x86_64):
       xen-4.11.4_16-2.51.1
       xen-debugsource-4.11.4_16-2.51.1
       xen-doc-html-4.11.4_16-2.51.1
       xen-libs-32bit-4.11.4_16-2.51.1
       xen-libs-4.11.4_16-2.51.1
       xen-libs-debuginfo-32bit-4.11.4_16-2.51.1
       xen-libs-debuginfo-4.11.4_16-2.51.1
       xen-tools-4.11.4_16-2.51.1
       xen-tools-debuginfo-4.11.4_16-2.51.1
       xen-tools-domU-4.11.4_16-2.51.1
       xen-tools-domU-debuginfo-4.11.4_16-2.51.1
  o SUSE Linux Enterprise Server 12-SP4-LTSS (x86_64):
       xen-4.11.4_16-2.51.1
       xen-debugsource-4.11.4_16-2.51.1
       xen-doc-html-4.11.4_16-2.51.1
       xen-libs-32bit-4.11.4_16-2.51.1
       xen-libs-4.11.4_16-2.51.1
       xen-libs-debuginfo-32bit-4.11.4_16-2.51.1
       xen-libs-debuginfo-4.11.4_16-2.51.1
       xen-tools-4.11.4_16-2.51.1
       xen-tools-debuginfo-4.11.4_16-2.51.1
       xen-tools-domU-4.11.4_16-2.51.1
       xen-tools-domU-debuginfo-4.11.4_16-2.51.1


References:

  o https://www.suse.com/security/cve/CVE-2021-20257.html
  o https://www.suse.com/security/cve/CVE-2021-27379.html
  o https://bugzilla.suse.com/1178591
  o https://bugzilla.suse.com/1182431
  o https://bugzilla.suse.com/1182846


- --------------------------------------------------------------------------------


SUSE Security Update: Security update for xen

______________________________________________________________________________

Announcement ID:   SUSE-SU-2021:1250-1
Rating:            important
References:        #1178591 #1182431
Cross-References:  CVE-2021-27379
Affected Products:
                   SUSE Linux Enterprise Server for SAP 15
                   SUSE Linux Enterprise High Performance Computing 15-LTSS
                   SUSE Linux Enterprise High Performance Computing 15-ESPOS
______________________________________________________________________________

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

Description:

This update for xen fixes the following issues:

  o CVE-2021-27379: Fixed an issue where entries in the IOMMU were not being
    updated under certain circumstances due to improper backport of XSA-321
    (XSA-366, bsc#1182431)

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 Linux Enterprise Server for SAP 15:
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-2021-1250=1
  o SUSE Linux Enterprise High Performance Computing 15-LTSS:
    zypper in -t patch SUSE-SLE-Product-HPC-15-2021-1250=1
  o SUSE Linux Enterprise High Performance Computing 15-ESPOS:
    zypper in -t patch SUSE-SLE-Product-HPC-15-2021-1250=1

Package List:

  o SUSE Linux Enterprise Server for SAP 15 (x86_64):
       xen-4.10.4_24-3.56.1
       xen-debugsource-4.10.4_24-3.56.1
       xen-devel-4.10.4_24-3.56.1
       xen-libs-4.10.4_24-3.56.1
       xen-libs-debuginfo-4.10.4_24-3.56.1
       xen-tools-4.10.4_24-3.56.1
       xen-tools-debuginfo-4.10.4_24-3.56.1
       xen-tools-domU-4.10.4_24-3.56.1
       xen-tools-domU-debuginfo-4.10.4_24-3.56.1
  o SUSE Linux Enterprise High Performance Computing 15-LTSS (x86_64):
       xen-4.10.4_24-3.56.1
       xen-debugsource-4.10.4_24-3.56.1
       xen-devel-4.10.4_24-3.56.1
       xen-libs-4.10.4_24-3.56.1
       xen-libs-debuginfo-4.10.4_24-3.56.1
       xen-tools-4.10.4_24-3.56.1
       xen-tools-debuginfo-4.10.4_24-3.56.1
       xen-tools-domU-4.10.4_24-3.56.1
       xen-tools-domU-debuginfo-4.10.4_24-3.56.1
  o SUSE Linux Enterprise High Performance Computing 15-ESPOS (x86_64):
       xen-4.10.4_24-3.56.1
       xen-debugsource-4.10.4_24-3.56.1
       xen-devel-4.10.4_24-3.56.1
       xen-libs-4.10.4_24-3.56.1
       xen-libs-debuginfo-4.10.4_24-3.56.1
       xen-tools-4.10.4_24-3.56.1
       xen-tools-debuginfo-4.10.4_24-3.56.1
       xen-tools-domU-4.10.4_24-3.56.1
       xen-tools-domU-debuginfo-4.10.4_24-3.56.1


References:

  o https://www.suse.com/security/cve/CVE-2021-27379.html
  o https://bugzilla.suse.com/1178591
  o https://bugzilla.suse.com/1182431


- --------------------------------------------------------------------------------


SUSE Security Update: Security update for xen

______________________________________________________________________________

Announcement ID:   SUSE-SU-2021:14702-1
Rating:            important
References:        #1182155 #1182846 #1182975
Cross-References:  CVE-2021-20257 CVE-2021-3419
Affected Products:
                   SUSE Linux Enterprise Server 11-SP4-LTSS
                   SUSE Linux Enterprise Debuginfo 11-SP4
______________________________________________________________________________

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

Description:

This update for xen fixes the following issues:

  o CVE-2021-3419: Fixed a stack overflow induced by infinite recursion issue
    (bsc#1182975).
  o CVE-2021-20257: Fixed an infinite loop in the e1000 NIC emulator (bsc#
    1182846)
  o xenstored crashing with segfault (bsc#1182155).

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 Linux Enterprise Server 11-SP4-LTSS:
    zypper in -t patch slessp4-xen-14702=1
  o SUSE Linux Enterprise Debuginfo 11-SP4:
    zypper in -t patch dbgsp4-xen-14702=1

Package List:

  o SUSE Linux Enterprise Server 11-SP4-LTSS (i586 x86_64):
       xen-kmp-default-4.4.4_48_3.0.101_108.123-61.64.1
       xen-libs-4.4.4_48-61.64.1
       xen-tools-domU-4.4.4_48-61.64.1
  o SUSE Linux Enterprise Server 11-SP4-LTSS (x86_64):
       xen-4.4.4_48-61.64.1
       xen-doc-html-4.4.4_48-61.64.1
       xen-libs-32bit-4.4.4_48-61.64.1
       xen-tools-4.4.4_48-61.64.1
  o SUSE Linux Enterprise Server 11-SP4-LTSS (i586):
       xen-kmp-pae-4.4.4_48_3.0.101_108.123-61.64.1
  o SUSE Linux Enterprise Debuginfo 11-SP4 (i586 x86_64):
       xen-debuginfo-4.4.4_48-61.64.1
       xen-debugsource-4.4.4_48-61.64.1


References:

  o https://www.suse.com/security/cve/CVE-2021-20257.html
  o https://www.suse.com/security/cve/CVE-2021-3419.html
  o https://bugzilla.suse.com/1182155
  o https://bugzilla.suse.com/1182846
  o https://bugzilla.suse.com/1182975

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

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