SUSE Security Update: Security update for xen
______________________________________________________________________________

Announcement ID:    SUSE-SU-2021:2943-1
Rating:             important
References:         #1186429 #1186433 #1186434 #1189373 #1189376 
                    #1189378 #1189380 #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 (NVD) : 6.5
 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/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-2021-28695 (SUSE): 8.4
 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
                    CVE-2021-28696 (SUSE): 8.4
 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
                    CVE-2021-28697 (SUSE): 7.4
 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
                    CVE-2021-28698 (SUSE): 5.5
 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
                    CVE-2021-28699 (SUSE): 7
 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

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 fixes 9 vulnerabilities is now available.

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 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:

   - SUSE Linux Enterprise Server for SAP 15:

      zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-2021-2943=1

   - SUSE Linux Enterprise High Performance Computing 15-LTSS:

      zypper in -t patch SUSE-SLE-Product-HPC-15-2021-2943=1

   - SUSE Linux Enterprise High Performance Computing 15-ESPOS:

      zypper in -t patch SUSE-SLE-Product-HPC-15-2021-2943=1



Package List:

   - SUSE Linux Enterprise Server for SAP 15 (x86_64):

      xen-4.10.4_26-3.61.1
      xen-debugsource-4.10.4_26-3.61.1
      xen-devel-4.10.4_26-3.61.1
      xen-libs-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
      xen-tools-debuginfo-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

   - SUSE Linux Enterprise High Performance Computing 15-LTSS (x86_64):

      xen-4.10.4_26-3.61.1
      xen-debugsource-4.10.4_26-3.61.1
      xen-devel-4.10.4_26-3.61.1
      xen-libs-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
      xen-tools-debuginfo-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

   - SUSE Linux Enterprise High Performance Computing 15-ESPOS (x86_64):

      xen-4.10.4_26-3.61.1
      xen-debugsource-4.10.4_26-3.61.1
      xen-devel-4.10.4_26-3.61.1
      xen-libs-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
      xen-tools-debuginfo-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


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/1186429
   https://bugzilla.suse.com/1186433
   https://bugzilla.suse.com/1186434
   https://bugzilla.suse.com/1189373
   https://bugzilla.suse.com/1189376
   https://bugzilla.suse.com/1189378
   https://bugzilla.suse.com/1189380
   https://bugzilla.suse.com/1189882