Security update for xorg-x11-server

Announcement ID: SUSE-SU-2021:4121-1
Rating: important
References:
Cross-References:
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-2021-4009 ( NVD ): 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
  • CVE-2021-4011 ( 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 Linux Enterprise High Performance Computing 15
  • SUSE Linux Enterprise High Performance Computing 15 LTSS 15
  • SUSE Linux Enterprise Server 15
  • SUSE Linux Enterprise Server 15 LTSS 15
  • SUSE Linux Enterprise Server ESPOS 15
  • SUSE Linux Enterprise Server for SAP Applications 15

An update that solves two vulnerabilities can now be installed.

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-2021-4011: 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 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 ESPOS 15
    zypper in -t patch SUSE-SLE-Product-HPC-15-2021-4121=1
  • SUSE Linux Enterprise High Performance Computing 15 LTSS 15
    zypper in -t patch SUSE-SLE-Product-HPC-15-2021-4121=1
  • SUSE Linux Enterprise Server 15 LTSS 15
    zypper in -t patch SUSE-SLE-Product-SLES-15-2021-4121=1
  • SUSE Linux Enterprise Server for SAP Applications 15
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-2021-4121=1

Package List:

  • SUSE Linux Enterprise Server ESPOS 15 (aarch64 x86_64)
    • xorg-x11-server-sdk-1.19.6-8.36.1
    • xorg-x11-server-debugsource-1.19.6-8.36.1
    • xorg-x11-server-extra-1.19.6-8.36.1
    • xorg-x11-server-debuginfo-1.19.6-8.36.1
    • xorg-x11-server-1.19.6-8.36.1
    • xorg-x11-server-extra-debuginfo-1.19.6-8.36.1
  • SUSE Linux Enterprise High Performance Computing 15 LTSS 15 (aarch64 x86_64)
    • xorg-x11-server-sdk-1.19.6-8.36.1
    • xorg-x11-server-debugsource-1.19.6-8.36.1
    • xorg-x11-server-extra-1.19.6-8.36.1
    • xorg-x11-server-debuginfo-1.19.6-8.36.1
    • xorg-x11-server-1.19.6-8.36.1
    • xorg-x11-server-extra-debuginfo-1.19.6-8.36.1
  • SUSE Linux Enterprise Server 15 LTSS 15 (aarch64 ppc64le s390x x86_64)
    • xorg-x11-server-sdk-1.19.6-8.36.1
    • xorg-x11-server-debugsource-1.19.6-8.36.1
    • xorg-x11-server-extra-1.19.6-8.36.1
    • xorg-x11-server-debuginfo-1.19.6-8.36.1
    • xorg-x11-server-1.19.6-8.36.1
    • xorg-x11-server-extra-debuginfo-1.19.6-8.36.1
  • SUSE Linux Enterprise Server for SAP Applications 15 (ppc64le x86_64)
    • xorg-x11-server-sdk-1.19.6-8.36.1
    • xorg-x11-server-debugsource-1.19.6-8.36.1
    • xorg-x11-server-extra-1.19.6-8.36.1
    • xorg-x11-server-debuginfo-1.19.6-8.36.1
    • xorg-x11-server-1.19.6-8.36.1
    • xorg-x11-server-extra-debuginfo-1.19.6-8.36.1

References: