Security update for xen

Announcement ID:	SUSE-SU-2021:1252-1
Rating:	important
References:	bsc#1182431 bsc#1182846
Cross-References:	CVE-2021-20257 CVE-2021-27379
CVSS scores:	CVE-2021-20257 ( SUSE ): 3.2 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:L CVE-2021-20257 ( NVD ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H CVE-2021-27379 ( SUSE ): 7.9 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:H CVE-2021-27379 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products:	HPE Helion OpenStack 8 SUSE Linux Enterprise High Performance Computing 12 SP3 SUSE Linux Enterprise Server 12 SP3 SUSE Linux Enterprise Server 12 SP3 BCL 12-SP3 SUSE Linux Enterprise Server 12 SP3 ESPOS 12-SP3 SUSE Linux Enterprise Server 12 SP3 LTSS 12-SP3 SUSE Linux Enterprise Server for SAP Applications 12 SP3 SUSE OpenStack Cloud 8 SUSE OpenStack Cloud Crowbar 8

An update that solves two vulnerabilities can now be installed.

Description:

This update for xen fixes the following issues:

• CVE-2021-20257: xen: infinite loop issue in the e1000 NIC emulator (bsc#1182846).
• 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 update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:

• HPE Helion OpenStack 8
  zypper in -t patch HPE-Helion-OpenStack-8-2021-1252=1
• SUSE OpenStack Cloud 8
  zypper in -t patch SUSE-OpenStack-Cloud-8-2021-1252=1
• SUSE OpenStack Cloud Crowbar 8
  zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-8-2021-1252=1
• SUSE Linux Enterprise Server for SAP Applications 12 SP3
  zypper in -t patch SUSE-SLE-SAP-12-SP3-2021-1252=1
• SUSE Linux Enterprise Server 12 SP3 BCL 12-SP3
  zypper in -t patch SUSE-SLE-SERVER-12-SP3-BCL-2021-1252=1
• SUSE Linux Enterprise Server 12 SP3 ESPOS 12-SP3
  zypper in -t patch SUSE-SLE-SERVER-12-SP3-ESPOS-2021-1252=1
• SUSE Linux Enterprise Server 12 SP3 LTSS 12-SP3
  zypper in -t patch SUSE-SLE-SERVER-12-SP3-2021-1252=1

Package List:

• HPE Helion OpenStack 8 (x86_64)
  • xen-tools-domU-4.9.4_16-3.83.1
  • xen-libs-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-debuginfo-32bit-4.9.4_16-3.83.1
  • xen-tools-domU-debuginfo-4.9.4_16-3.83.1
  • xen-tools-4.9.4_16-3.83.1
  • xen-libs-32bit-4.9.4_16-3.83.1
  • xen-tools-debuginfo-4.9.4_16-3.83.1
  • xen-4.9.4_16-3.83.1
  • xen-libs-debuginfo-4.9.4_16-3.83.1
• SUSE OpenStack Cloud 8 (x86_64)
  • xen-tools-domU-4.9.4_16-3.83.1
  • xen-libs-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-debuginfo-32bit-4.9.4_16-3.83.1
  • xen-tools-domU-debuginfo-4.9.4_16-3.83.1
  • xen-tools-4.9.4_16-3.83.1
  • xen-libs-32bit-4.9.4_16-3.83.1
  • xen-tools-debuginfo-4.9.4_16-3.83.1
  • xen-4.9.4_16-3.83.1
  • xen-libs-debuginfo-4.9.4_16-3.83.1
• SUSE OpenStack Cloud Crowbar 8 (x86_64)
  • xen-tools-domU-4.9.4_16-3.83.1
  • xen-libs-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-debuginfo-32bit-4.9.4_16-3.83.1
  • xen-tools-domU-debuginfo-4.9.4_16-3.83.1
  • xen-tools-4.9.4_16-3.83.1
  • xen-libs-32bit-4.9.4_16-3.83.1
  • xen-tools-debuginfo-4.9.4_16-3.83.1
  • xen-4.9.4_16-3.83.1
  • xen-libs-debuginfo-4.9.4_16-3.83.1
• SUSE Linux Enterprise Server for SAP Applications 12 SP3 (x86_64)
  • xen-tools-domU-4.9.4_16-3.83.1
  • xen-libs-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-debuginfo-32bit-4.9.4_16-3.83.1
  • xen-tools-domU-debuginfo-4.9.4_16-3.83.1
  • xen-tools-4.9.4_16-3.83.1
  • xen-libs-32bit-4.9.4_16-3.83.1
  • xen-tools-debuginfo-4.9.4_16-3.83.1
  • xen-4.9.4_16-3.83.1
  • xen-libs-debuginfo-4.9.4_16-3.83.1
• SUSE Linux Enterprise Server 12 SP3 BCL 12-SP3 (x86_64)
  • xen-tools-domU-4.9.4_16-3.83.1
  • xen-libs-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-debuginfo-32bit-4.9.4_16-3.83.1
  • xen-tools-domU-debuginfo-4.9.4_16-3.83.1
  • xen-tools-4.9.4_16-3.83.1
  • xen-libs-32bit-4.9.4_16-3.83.1
  • xen-tools-debuginfo-4.9.4_16-3.83.1
  • xen-4.9.4_16-3.83.1
  • xen-libs-debuginfo-4.9.4_16-3.83.1
• SUSE Linux Enterprise Server 12 SP3 ESPOS 12-SP3 (x86_64)
  • xen-tools-domU-4.9.4_16-3.83.1
  • xen-libs-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-debuginfo-32bit-4.9.4_16-3.83.1
  • xen-tools-domU-debuginfo-4.9.4_16-3.83.1
  • xen-tools-4.9.4_16-3.83.1
  • xen-libs-32bit-4.9.4_16-3.83.1
  • xen-tools-debuginfo-4.9.4_16-3.83.1
  • xen-4.9.4_16-3.83.1
  • xen-libs-debuginfo-4.9.4_16-3.83.1
• SUSE Linux Enterprise Server 12 SP3 LTSS 12-SP3 (x86_64)
  • xen-tools-domU-4.9.4_16-3.83.1
  • xen-libs-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-debuginfo-32bit-4.9.4_16-3.83.1
  • xen-tools-domU-debuginfo-4.9.4_16-3.83.1
  • xen-tools-4.9.4_16-3.83.1
  • xen-libs-32bit-4.9.4_16-3.83.1
  • xen-tools-debuginfo-4.9.4_16-3.83.1
  • xen-4.9.4_16-3.83.1
  • xen-libs-debuginfo-4.9.4_16-3.83.1

References:

• https://www.suse.com/security/cve/CVE-2021-20257.html
• https://www.suse.com/security/cve/CVE-2021-27379.html
• https://bugzilla.suse.com/show_bug.cgi?id=1182431
• https://bugzilla.suse.com/show_bug.cgi?id=1182846