Security update for xen

Announcement ID:	SUSE-SU-2021:2922-1
Rating:	important
References:	bsc#1027519 bsc#1137251 bsc#1176189 bsc#1179148 bsc#1179246 bsc#1180491 bsc#1181989 bsc#1183877 bsc#1185682 bsc#1186428 bsc#1186429 bsc#1186433 bsc#1186434 bsc#1188050 bsc#1189373 bsc#1189376 bsc#1189378 bsc#1189380 bsc#1189381 bsc#1189882
Cross-References:	CVE-2021-0089 CVE-2021-28690 CVE-2021-28692 CVE-2021-28693 CVE-2021-28694 CVE-2021-28695 CVE-2021-28696 CVE-2021-28697 CVE-2021-28698 CVE-2021-28699 CVE-2021-28700
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-2021-28693 ( SUSE ): 5.1 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N CVE-2021-28693 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N 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 CVE-2021-28700 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVE-2021-28700 ( NVD ): 4.9 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Affected Products:	Basesystem Module 15-SP2 Server Applications Module 15-SP2 SUSE Linux Enterprise Desktop 15 SP2 SUSE Linux Enterprise High Performance Computing 15 SP2 SUSE Linux Enterprise Micro 5.0 SUSE Linux Enterprise Real Time 15 SP2 SUSE Linux Enterprise Server 15 SP2 SUSE Linux Enterprise Server 15 SP2 Business Critical Linux 15-SP2 SUSE Linux Enterprise Server for SAP Applications 15 SP2 SUSE Manager Proxy 4.1 SUSE Manager Retail Branch Server 4.1 SUSE Manager Server 4.1

An update that solves 11 vulnerabilities and has nine security fixes can now be installed.

Description:

This update for xen fixes the following issues:

Update to Xen 4.13.3 general bug fix release (bsc#1027519).

Security issues fixed:

• CVE-2021-28693: xen/arm: Boot modules are not scrubbed (bsc#1186428)
• CVE-2021-28692: xen: inappropriate x86 IOMMU timeout detection / handling (bsc#1186429)
• CVE-2021-0089: xen: Speculative Code Store Bypass (bsc#1186433)
• CVE-2021-28690: xen: x86: TSX Async Abort protections not restored after S3 (bsc#1186434)
• 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-2021-28698: long running loops in grant table handling (XSA-380)(bsc#1189378).
• CVE-2021-28699: inadequate grant-v2 status frames array bounds check (XSA-382)(bsc#1189380).
• CVE-2021-28700: No memory limit for dom0less domUs (XSA-383)(bsc#1189381).

Other issues fixed:

• Fixed "Panic on CPU 0: IO-APIC + timer doesn't work!" (bsc#1180491)
• Fixed an issue with xencommons, where file format expecations by fillup did not allign (bsc#1185682)
• Fixed shell macro expansion in the spec file, so that ExecStart= in xendomains-wait-disks.service is created correctly (bsc#1183877)
• Upstream bug fixes (bsc#1027519)
• Fixed Xen SLES11SP4 guest hangs on cluster (bsc#1188050).
• xl monitoring process exits during xl save -p|-c keep the monitoring process running to cleanup the domU during shutdown (bsc#1176189).
• Dom0 hangs when pinning CPUs for dom0 with HVM guest (bsc#1179246).
• 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:

• Basesystem Module 15-SP2
  zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP2-2021-2922=1
• Server Applications Module 15-SP2
  zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP2-2021-2922=1
• SUSE Linux Enterprise Micro 5.0
  zypper in -t patch SUSE-SUSE-MicroOS-5.0-2021-2922=1

Package List:

• Basesystem Module 15-SP2 (x86_64)
  • xen-libs-4.13.3_02-3.34.1
  • xen-tools-domU-debuginfo-4.13.3_02-3.34.1
  • xen-debugsource-4.13.3_02-3.34.1
  • xen-libs-debuginfo-4.13.3_02-3.34.1
  • xen-tools-domU-4.13.3_02-3.34.1
• Server Applications Module 15-SP2 (x86_64)
  • xen-4.13.3_02-3.34.1
  • xen-tools-debuginfo-4.13.3_02-3.34.1
  • xen-tools-4.13.3_02-3.34.1
  • xen-devel-4.13.3_02-3.34.1
  • xen-debugsource-4.13.3_02-3.34.1
• Server Applications Module 15-SP2 (noarch)
  • xen-tools-xendomains-wait-disk-4.13.3_02-3.34.1
• SUSE Linux Enterprise Micro 5.0 (x86_64)
  • xen-debugsource-4.13.3_02-3.34.1
  • xen-libs-debuginfo-4.13.3_02-3.34.1
  • xen-libs-4.13.3_02-3.34.1

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-2021-28693.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://www.suse.com/security/cve/CVE-2021-28700.html
• https://bugzilla.suse.com/show_bug.cgi?id=1027519
• https://bugzilla.suse.com/show_bug.cgi?id=1137251
• https://bugzilla.suse.com/show_bug.cgi?id=1176189
• https://bugzilla.suse.com/show_bug.cgi?id=1179148
• https://bugzilla.suse.com/show_bug.cgi?id=1179246
• https://bugzilla.suse.com/show_bug.cgi?id=1180491
• https://bugzilla.suse.com/show_bug.cgi?id=1181989
• https://bugzilla.suse.com/show_bug.cgi?id=1183877
• https://bugzilla.suse.com/show_bug.cgi?id=1185682
• https://bugzilla.suse.com/show_bug.cgi?id=1186428
• 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=1188050
• 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=1189381
• https://bugzilla.suse.com/show_bug.cgi?id=1189882