SUSE Security Update: Security update for xorg-x11-server
______________________________________________________________________________

Announcement ID:    SUSE-SU-2021:4122-1
Rating:             important
References:         #1190487 #1190488 #1190489 
Cross-References:   CVE-2021-4009 CVE-2021-4010 CVE-2021-4011
                   
CVSS scores:
                    CVE-2021-4009 (SUSE): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
                    CVE-2021-4010 (SUSE): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
                    CVE-2021-4011 (SUSE): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Products:
                    SUSE Linux Enterprise Server for SAP 15-SP1
                    SUSE Linux Enterprise Server 15-SP1-LTSS
                    SUSE Linux Enterprise Server 15-SP1-BCL
                    SUSE Linux Enterprise High Performance Computing 15-SP1-LTSS
                    SUSE Linux Enterprise High Performance Computing 15-SP1-ESPOS
                    SUSE Enterprise Storage 6
                    SUSE CaaS Platform 4.0
______________________________________________________________________________

   An update that fixes three vulnerabilities is now available.

Description:

   This update for xorg-x11-server fixes the following issues:

   - CVE-2021-4009: The handler for the CreatePointerBarrier request of the
     XFixes extension does not properly validate the request length leading
     to out of bounds memory write. (bsc#1190487)
   - CVE-2021-4010: The handler for the Suspend request of the Screen Saver
     extension does not properly validate the request length leading to out
     of bounds memory write. (bsc#1190488)
   - CVE-2021-4011: The handlers for the RecordCreateContext and
     RecordRegisterClients requests of the Record extension do not properly
     validate the request length leading to out of bounds memory write.
     (bsc#1190489)


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-SP1:

      zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP1-2021-4122=1

   - SUSE Linux Enterprise Server 15-SP1-LTSS:

      zypper in -t patch SUSE-SLE-Product-SLES-15-SP1-LTSS-2021-4122=1

   - SUSE Linux Enterprise Server 15-SP1-BCL:

      zypper in -t patch SUSE-SLE-Product-SLES-15-SP1-BCL-2021-4122=1

   - SUSE Linux Enterprise High Performance Computing 15-SP1-LTSS:

      zypper in -t patch SUSE-SLE-Product-HPC-15-SP1-LTSS-2021-4122=1

   - SUSE Linux Enterprise High Performance Computing 15-SP1-ESPOS:

      zypper in -t patch SUSE-SLE-Product-HPC-15-SP1-ESPOS-2021-4122=1

   - SUSE Enterprise Storage 6:

      zypper in -t patch SUSE-Storage-6-2021-4122=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 Server for SAP 15-SP1 (ppc64le x86_64):

      xorg-x11-server-1.20.3-14.5.22.1
      xorg-x11-server-debuginfo-1.20.3-14.5.22.1
      xorg-x11-server-debugsource-1.20.3-14.5.22.1
      xorg-x11-server-extra-1.20.3-14.5.22.1
      xorg-x11-server-extra-debuginfo-1.20.3-14.5.22.1
      xorg-x11-server-sdk-1.20.3-14.5.22.1

   - SUSE Linux Enterprise Server 15-SP1-LTSS (aarch64 ppc64le s390x x86_64):

      xorg-x11-server-1.20.3-14.5.22.1
      xorg-x11-server-debuginfo-1.20.3-14.5.22.1
      xorg-x11-server-debugsource-1.20.3-14.5.22.1
      xorg-x11-server-extra-1.20.3-14.5.22.1
      xorg-x11-server-extra-debuginfo-1.20.3-14.5.22.1
      xorg-x11-server-sdk-1.20.3-14.5.22.1

   - SUSE Linux Enterprise Server 15-SP1-BCL (x86_64):

      xorg-x11-server-1.20.3-14.5.22.1
      xorg-x11-server-debuginfo-1.20.3-14.5.22.1
      xorg-x11-server-debugsource-1.20.3-14.5.22.1
      xorg-x11-server-extra-1.20.3-14.5.22.1
      xorg-x11-server-extra-debuginfo-1.20.3-14.5.22.1
      xorg-x11-server-sdk-1.20.3-14.5.22.1

   - SUSE Linux Enterprise High Performance Computing 15-SP1-LTSS (aarch64 x86_64):

      xorg-x11-server-1.20.3-14.5.22.1
      xorg-x11-server-debuginfo-1.20.3-14.5.22.1
      xorg-x11-server-debugsource-1.20.3-14.5.22.1
      xorg-x11-server-extra-1.20.3-14.5.22.1
      xorg-x11-server-extra-debuginfo-1.20.3-14.5.22.1
      xorg-x11-server-sdk-1.20.3-14.5.22.1

   - SUSE Linux Enterprise High Performance Computing 15-SP1-ESPOS (aarch64 x86_64):

      xorg-x11-server-1.20.3-14.5.22.1
      xorg-x11-server-debuginfo-1.20.3-14.5.22.1
      xorg-x11-server-debugsource-1.20.3-14.5.22.1
      xorg-x11-server-extra-1.20.3-14.5.22.1
      xorg-x11-server-extra-debuginfo-1.20.3-14.5.22.1
      xorg-x11-server-sdk-1.20.3-14.5.22.1

   - SUSE Enterprise Storage 6 (aarch64 x86_64):

      xorg-x11-server-1.20.3-14.5.22.1
      xorg-x11-server-debuginfo-1.20.3-14.5.22.1
      xorg-x11-server-debugsource-1.20.3-14.5.22.1
      xorg-x11-server-extra-1.20.3-14.5.22.1
      xorg-x11-server-extra-debuginfo-1.20.3-14.5.22.1
      xorg-x11-server-sdk-1.20.3-14.5.22.1

   - SUSE CaaS Platform 4.0 (x86_64):

      xorg-x11-server-1.20.3-14.5.22.1
      xorg-x11-server-debuginfo-1.20.3-14.5.22.1
      xorg-x11-server-debugsource-1.20.3-14.5.22.1
      xorg-x11-server-extra-1.20.3-14.5.22.1
      xorg-x11-server-extra-debuginfo-1.20.3-14.5.22.1
      xorg-x11-server-sdk-1.20.3-14.5.22.1


References:

   https://www.suse.com/security/cve/CVE-2021-4009.html
   https://www.suse.com/security/cve/CVE-2021-4010.html
   https://www.suse.com/security/cve/CVE-2021-4011.html
   https://bugzilla.suse.com/1190487
   https://bugzilla.suse.com/1190488
   https://bugzilla.suse.com/1190489