SUSE-SU-2021:2923-1: important: Security update for xen

sle-security-updates at sle-security-updates at
Thu Sep 2 13:24:12 UTC 2021

   SUSE Security Update: Security update for xen

Announcement ID:    SUSE-SU-2021:2923-1
Rating:             important
References:         #1027519 #1176189 #1179246 #1183243 #1183877 
                    #1185682 #1186428 #1186429 #1186433 #1186434 
                    #1187406 #1188050 #1189373 #1189376 #1189378 
                    #1189380 #1189381 #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 (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
                    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

Affected Products:
                    SUSE Linux Enterprise Module for Server Applications 15-SP3
                    SUSE Linux Enterprise Module for Basesystem 15-SP3

   An update that solves 11 vulnerabilities and has 7 fixes is
   now available.


   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
   - CVE-2021-28699: inadequate grant-v2 status frames array bounds check
   - CVE-2021-28700: No memory limit for dom0less domUs

   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).
   - Some long deprecated commands were finally removed in qemu6. Adjust
     libxl to use supported commands (bsc#1183243).
   - Update logrotate.conf, move global options into per-file sections to
     prevent globbering of global state (bsc#1187406).
   - Prevent superpage allocation in the LAPIC and ACPI_INFO range

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 Module for Server Applications 15-SP3:

      zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP3-2021-2923=1

   - SUSE Linux Enterprise Module for Basesystem 15-SP3:

      zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP3-2021-2923=1

Package List:

   - SUSE Linux Enterprise Module for Server Applications 15-SP3 (noarch):


   - SUSE Linux Enterprise Module for Server Applications 15-SP3 (x86_64):


   - SUSE Linux Enterprise Module for Basesystem 15-SP3 (x86_64):



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