Security update for xen

Announcement ID:	SUSE-SU-2021:2943-1
Rating:	important
References:	bsc#1186429 bsc#1186433 bsc#1186434 bsc#1189373 bsc#1189376 bsc#1189378 bsc#1189380 bsc#1189882
Cross-References:	CVE-2021-0089 CVE-2021-28690 CVE-2021-28692 CVE-2021-28694 CVE-2021-28695 CVE-2021-28696 CVE-2021-28697 CVE-2021-28698 CVE-2021-28699
CVSS scores:	CVE-2021-0089 ( SUSE ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N CVE-2021-0089 ( NVD ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N CVE-2021-28690 ( SUSE ): 5.6 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N CVE-2021-28690 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N CVE-2021-28692 ( SUSE ): 4.2 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:L CVE-2021-28692 ( NVD ): 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H CVE-2021-28694 ( SUSE ): 8.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2021-28694 ( NVD ): 6.8 CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2021-28695 ( SUSE ): 8.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2021-28695 ( NVD ): 6.8 CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2021-28696 ( SUSE ): 8.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2021-28696 ( NVD ): 6.8 CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2021-28697 ( SUSE ): 7.4 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2021-28697 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2021-28698 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVE-2021-28698 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVE-2021-28699 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2021-28699 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Products:	SUSE Linux Enterprise High Performance Computing 15 SUSE Linux Enterprise High Performance Computing 15 LTSS 15 SUSE Linux Enterprise Server 15 SUSE Linux Enterprise Server 15 LTSS 15 SUSE Linux Enterprise Server ESPOS 15 SUSE Linux Enterprise Server for SAP Applications 15

An update that solves nine vulnerabilities can now be installed.

Description:

This update for xen fixes the following issues:

• CVE-2021-28698: long running loops in grant table handling (XSA-380)(bsc#1189378).
• CVE-2021-28692: xen: inappropriate x86 IOMMU timeout detection / handling (bsc#1186429).
• CVE-2021-0089: xen: Speculative Code Store Bypass (bsc#1186433).
• CVE-2021-28699: inadequate grant-v2 status frames array bounds check (XSA-382)(bsc#1189380).
• CVE-2021-28694,CVE-2021-28695,CVE-2021-28696: IOMMU page mapping issues on x86 (XSA-378)(bsc#1189373).
• CVE-2021-28697: grant table v2 status pages may remain accessible after de-allocation (XSA-379)(bsc#1189376).

• CVE-2021-28690: xen: x86: TSX Async Abort protections not restored after S3 (bsc#1186434).

• Prevent superpage allocation in the LAPIC and ACPI_INFO range (bsc#1189882).

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:

• SUSE Linux Enterprise Server ESPOS 15
  zypper in -t patch SUSE-SLE-Product-HPC-15-2021-2943=1
• SUSE Linux Enterprise High Performance Computing 15 LTSS 15
  zypper in -t patch SUSE-SLE-Product-HPC-15-2021-2943=1
• SUSE Linux Enterprise Server 15 LTSS 15
  zypper in -t patch SUSE-SLE-Product-SLES-15-2021-2943=1
• SUSE Linux Enterprise Server for SAP Applications 15
  zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-2021-2943=1

Package List:

• SUSE Linux Enterprise Server ESPOS 15 (x86_64)
  • xen-devel-4.10.4_26-3.61.1
  • xen-debugsource-4.10.4_26-3.61.1
  • xen-tools-domU-4.10.4_26-3.61.1
  • xen-tools-domU-debuginfo-4.10.4_26-3.61.1
  • xen-libs-4.10.4_26-3.61.1
  • xen-4.10.4_26-3.61.1
  • xen-tools-debuginfo-4.10.4_26-3.61.1
  • xen-libs-debuginfo-4.10.4_26-3.61.1
  • xen-tools-4.10.4_26-3.61.1
• SUSE Linux Enterprise High Performance Computing 15 LTSS 15 (x86_64)
  • xen-devel-4.10.4_26-3.61.1
  • xen-debugsource-4.10.4_26-3.61.1
  • xen-tools-domU-4.10.4_26-3.61.1
  • xen-tools-domU-debuginfo-4.10.4_26-3.61.1
  • xen-libs-4.10.4_26-3.61.1
  • xen-4.10.4_26-3.61.1
  • xen-tools-debuginfo-4.10.4_26-3.61.1
  • xen-libs-debuginfo-4.10.4_26-3.61.1
  • xen-tools-4.10.4_26-3.61.1
• SUSE Linux Enterprise Server 15 LTSS 15 (x86_64)
  • xen-devel-4.10.4_26-3.61.1
  • xen-debugsource-4.10.4_26-3.61.1
  • xen-tools-domU-4.10.4_26-3.61.1
  • xen-tools-domU-debuginfo-4.10.4_26-3.61.1
  • xen-libs-4.10.4_26-3.61.1
  • xen-4.10.4_26-3.61.1
  • xen-tools-debuginfo-4.10.4_26-3.61.1
  • xen-libs-debuginfo-4.10.4_26-3.61.1
  • xen-tools-4.10.4_26-3.61.1
• SUSE Linux Enterprise Server for SAP Applications 15 (x86_64)
  • xen-devel-4.10.4_26-3.61.1
  • xen-debugsource-4.10.4_26-3.61.1
  • xen-tools-domU-4.10.4_26-3.61.1
  • xen-tools-domU-debuginfo-4.10.4_26-3.61.1
  • xen-libs-4.10.4_26-3.61.1
  • xen-4.10.4_26-3.61.1
  • xen-tools-debuginfo-4.10.4_26-3.61.1
  • xen-libs-debuginfo-4.10.4_26-3.61.1
  • xen-tools-4.10.4_26-3.61.1

References:

• https://www.suse.com/security/cve/CVE-2021-0089.html
• https://www.suse.com/security/cve/CVE-2021-28690.html
• https://www.suse.com/security/cve/CVE-2021-28692.html
• https://www.suse.com/security/cve/CVE-2021-28694.html
• https://www.suse.com/security/cve/CVE-2021-28695.html
• https://www.suse.com/security/cve/CVE-2021-28696.html
• https://www.suse.com/security/cve/CVE-2021-28697.html
• https://www.suse.com/security/cve/CVE-2021-28698.html
• https://www.suse.com/security/cve/CVE-2021-28699.html
• https://bugzilla.suse.com/show_bug.cgi?id=1186429
• https://bugzilla.suse.com/show_bug.cgi?id=1186433
• https://bugzilla.suse.com/show_bug.cgi?id=1186434
• https://bugzilla.suse.com/show_bug.cgi?id=1189373
• https://bugzilla.suse.com/show_bug.cgi?id=1189376
• https://bugzilla.suse.com/show_bug.cgi?id=1189378
• https://bugzilla.suse.com/show_bug.cgi?id=1189380
• https://bugzilla.suse.com/show_bug.cgi?id=1189882