Security update for xen

Announcement ID:	SUSE-SU-2021:3977-1
Rating:	moderate
References:	bsc#1027519 bsc#1189632 bsc#1191363 bsc#1192554 bsc#1192557 bsc#1192559
Cross-References:	CVE-2021-28701 CVE-2021-28702 CVE-2021-28704 CVE-2021-28705 CVE-2021-28706 CVE-2021-28707 CVE-2021-28708 CVE-2021-28709
CVSS scores:	CVE-2021-28701 ( SUSE ): 7.4 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2021-28701 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H CVE-2021-28702 ( SUSE ): 6.8 CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:H CVE-2021-28702 ( NVD ): 7.6 CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H CVE-2021-28704 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVE-2021-28704 ( NVD ): 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H CVE-2021-28705 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVE-2021-28705 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2021-28706 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVE-2021-28706 ( NVD ): 8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H CVE-2021-28707 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVE-2021-28707 ( NVD ): 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H CVE-2021-28708 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVE-2021-28708 ( NVD ): 8.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H CVE-2021-28709 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVE-2021-28709 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products:	SUSE CaaS Platform 4.0 SUSE Enterprise Storage 6 SUSE Linux Enterprise High Performance Computing 15 SP1 SUSE Linux Enterprise High Performance Computing 15 SP1 ESPOS 15-SP1 SUSE Linux Enterprise High Performance Computing 15 SP1 LTSS 15-SP1 SUSE Linux Enterprise Server 15 SP1 SUSE Linux Enterprise Server 15 SP1 Business Critical Linux 15-SP1 SUSE Linux Enterprise Server 15 SP1 LTSS 15-SP1 SUSE Linux Enterprise Server for SAP Applications 15 SP1

An update that solves eight vulnerabilities can now be installed.

Description:

This update for xen fixes the following issues:

• CVE-2021-28701: Fixed race condition in XENMAPSPACE_grant_table handling (XSA-384) (bsc#1189632).
• CVE-2021-28702: Fixed PCI devices with RMRRs not deassigned correctly (XSA-386) (bsc#1191363).
• CVE-2021-28704, CVE-2021-28707, CVE-2021-28708: Fixed PoD operations on misaligned GFNs (XSA-388) (bsc#1192557).
• CVE-2021-28705, CVE-2021-28709: Fixed issues with partially successful P2M updates on x86 (XSA-389) (bsc#1192559).

• CVE-2021-28706: Fixed guests may exceed their designated memory limit (XSA-385) (bsc#1192554).

• Upstream bug fixes (bsc#1027519)

Special Instructions and Notes:

• Please reboot the system after installing this update.

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 High Performance Computing 15 SP1 ESPOS 15-SP1
  zypper in -t patch SUSE-SLE-Product-HPC-15-SP1-ESPOS-2021-3977=1
• SUSE Linux Enterprise High Performance Computing 15 SP1 LTSS 15-SP1
  zypper in -t patch SUSE-SLE-Product-HPC-15-SP1-LTSS-2021-3977=1
• SUSE Linux Enterprise Server 15 SP1 Business Critical Linux 15-SP1
  zypper in -t patch SUSE-SLE-Product-SLES-15-SP1-BCL-2021-3977=1
• SUSE Linux Enterprise Server 15 SP1 LTSS 15-SP1
  zypper in -t patch SUSE-SLE-Product-SLES-15-SP1-LTSS-2021-3977=1
• SUSE Linux Enterprise Server for SAP Applications 15 SP1
  zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP1-2021-3977=1
• SUSE Enterprise Storage 6
  zypper in -t patch SUSE-Storage-6-2021-3977=1
• SUSE CaaS Platform 4.0
  To install this update, use the SUSE CaaS Platform 'skuba' tool. It will inform you if it detects new updates and let you then trigger updating of the complete cluster in a controlled way.

Package List:

• SUSE Linux Enterprise High Performance Computing 15 SP1 ESPOS 15-SP1 (x86_64)
  • xen-libs-4.12.4_16-3.57.1
  • xen-tools-domU-4.12.4_16-3.57.1
  • xen-4.12.4_16-3.57.1
  • xen-tools-debuginfo-4.12.4_16-3.57.1
  • xen-devel-4.12.4_16-3.57.1
  • xen-tools-domU-debuginfo-4.12.4_16-3.57.1
  • xen-libs-debuginfo-4.12.4_16-3.57.1
  • xen-debugsource-4.12.4_16-3.57.1
  • xen-tools-4.12.4_16-3.57.1
• SUSE Linux Enterprise High Performance Computing 15 SP1 LTSS 15-SP1 (x86_64)
  • xen-libs-4.12.4_16-3.57.1
  • xen-tools-domU-4.12.4_16-3.57.1
  • xen-4.12.4_16-3.57.1
  • xen-tools-debuginfo-4.12.4_16-3.57.1
  • xen-devel-4.12.4_16-3.57.1
  • xen-tools-domU-debuginfo-4.12.4_16-3.57.1
  • xen-libs-debuginfo-4.12.4_16-3.57.1
  • xen-debugsource-4.12.4_16-3.57.1
  • xen-tools-4.12.4_16-3.57.1
• SUSE Linux Enterprise Server 15 SP1 Business Critical Linux 15-SP1 (x86_64)
  • xen-libs-4.12.4_16-3.57.1
  • xen-tools-domU-4.12.4_16-3.57.1
  • xen-4.12.4_16-3.57.1
  • xen-tools-debuginfo-4.12.4_16-3.57.1
  • xen-devel-4.12.4_16-3.57.1
  • xen-tools-domU-debuginfo-4.12.4_16-3.57.1
  • xen-libs-debuginfo-4.12.4_16-3.57.1
  • xen-debugsource-4.12.4_16-3.57.1
  • xen-tools-4.12.4_16-3.57.1
• SUSE Linux Enterprise Server 15 SP1 LTSS 15-SP1 (x86_64)
  • xen-libs-4.12.4_16-3.57.1
  • xen-tools-domU-4.12.4_16-3.57.1
  • xen-4.12.4_16-3.57.1
  • xen-tools-debuginfo-4.12.4_16-3.57.1
  • xen-devel-4.12.4_16-3.57.1
  • xen-tools-domU-debuginfo-4.12.4_16-3.57.1
  • xen-libs-debuginfo-4.12.4_16-3.57.1
  • xen-debugsource-4.12.4_16-3.57.1
  • xen-tools-4.12.4_16-3.57.1
• SUSE Linux Enterprise Server for SAP Applications 15 SP1 (x86_64)
  • xen-libs-4.12.4_16-3.57.1
  • xen-tools-domU-4.12.4_16-3.57.1
  • xen-4.12.4_16-3.57.1
  • xen-tools-debuginfo-4.12.4_16-3.57.1
  • xen-devel-4.12.4_16-3.57.1
  • xen-tools-domU-debuginfo-4.12.4_16-3.57.1
  • xen-libs-debuginfo-4.12.4_16-3.57.1
  • xen-debugsource-4.12.4_16-3.57.1
  • xen-tools-4.12.4_16-3.57.1
• SUSE Enterprise Storage 6 (x86_64)
  • xen-libs-4.12.4_16-3.57.1
  • xen-tools-domU-4.12.4_16-3.57.1
  • xen-4.12.4_16-3.57.1
  • xen-tools-debuginfo-4.12.4_16-3.57.1
  • xen-devel-4.12.4_16-3.57.1
  • xen-tools-domU-debuginfo-4.12.4_16-3.57.1
  • xen-libs-debuginfo-4.12.4_16-3.57.1
  • xen-debugsource-4.12.4_16-3.57.1
  • xen-tools-4.12.4_16-3.57.1
• SUSE CaaS Platform 4.0 (x86_64)
  • xen-libs-4.12.4_16-3.57.1
  • xen-tools-domU-4.12.4_16-3.57.1
  • xen-4.12.4_16-3.57.1
  • xen-tools-debuginfo-4.12.4_16-3.57.1
  • xen-devel-4.12.4_16-3.57.1
  • xen-tools-domU-debuginfo-4.12.4_16-3.57.1
  • xen-libs-debuginfo-4.12.4_16-3.57.1
  • xen-debugsource-4.12.4_16-3.57.1
  • xen-tools-4.12.4_16-3.57.1

References:

• https://www.suse.com/security/cve/CVE-2021-28701.html
• https://www.suse.com/security/cve/CVE-2021-28702.html
• https://www.suse.com/security/cve/CVE-2021-28704.html
• https://www.suse.com/security/cve/CVE-2021-28705.html
• https://www.suse.com/security/cve/CVE-2021-28706.html
• https://www.suse.com/security/cve/CVE-2021-28707.html
• https://www.suse.com/security/cve/CVE-2021-28708.html
• https://www.suse.com/security/cve/CVE-2021-28709.html
• https://bugzilla.suse.com/show_bug.cgi?id=1027519
• https://bugzilla.suse.com/show_bug.cgi?id=1189632
• https://bugzilla.suse.com/show_bug.cgi?id=1191363
• https://bugzilla.suse.com/show_bug.cgi?id=1192554
• https://bugzilla.suse.com/show_bug.cgi?id=1192557
• https://bugzilla.suse.com/show_bug.cgi?id=1192559