Security update for s390-tools

Announcement ID: SUSE-SU-2021:0777-1
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2021-25316 ( SUSE ): 3.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
  • CVE-2021-25316 ( NVD ): 3.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Affected Products:
  • Basesystem Module 15-SP2
  • SUSE Linux Enterprise Desktop 15 SP2
  • SUSE Linux Enterprise High Performance Computing 15 SP2
  • SUSE Linux Enterprise Real Time 15 SP2
  • SUSE Linux Enterprise Server 15 SP2
  • SUSE Linux Enterprise Server 15 SP2 Business Critical Linux 15-SP2
  • SUSE Linux Enterprise Server for SAP Applications 15 SP2
  • SUSE Manager Proxy 4.1
  • SUSE Manager Retail Branch Server 4.1
  • SUSE Manager Server 4.1

An update that solves one vulnerability and has three security fixes can now be installed.

Description:

This update for s390-tools fixes the following issues:

  • Fixed an issue where IPL was not working when bootloader was installed on a SCSI disk with 4k physical blocksize without using a devicemapper target (bsc#1183041).
  • CVE-2021-25316: Do not use predictable temporary file names (bsc#1182777).
  • Made the name of the temporary configuration file in /tmp/ unpredictable (bsc#1182876).
  • Changing the scheduler from "deadline" to the newly created "mq-deadline" scheduler (bsc#1176574)

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:

  • Basesystem Module 15-SP2
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP2-2021-777=1

Package List:

  • Basesystem Module 15-SP2 (s390x)
    • s390-tools-debuginfo-2.11.0-9.20.1
    • s390-tools-hmcdrvfs-debuginfo-2.11.0-9.20.1
    • s390-tools-debugsource-2.11.0-9.20.1
    • s390-tools-hmcdrvfs-2.11.0-9.20.1
    • osasnmpd-debuginfo-2.11.0-9.20.1
    • osasnmpd-2.11.0-9.20.1
    • s390-tools-zdsfs-2.11.0-9.20.1
    • s390-tools-zdsfs-debuginfo-2.11.0-9.20.1
    • s390-tools-2.11.0-9.20.1

References: