Security update for bind

SUSE Security Update: Security update for bind
Announcement ID: SUSE-SU-2021:3773-1
Rating: important
References: #1192146
Cross-References:CVE-2021-25219
Affected Products:
  • SUSE Linux Enterprise Module for Server Applications 15-SP2
  • SUSE Linux Enterprise Module for Basesystem 15-SP2

An update that fixes one vulnerability is now available.

Description:

This update for bind fixes the following issues:

  • CVE-2021-25219: Fixed lame cache that could have been abused to severely degrade resolver performance (bsc#1192146).

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-SP2:
    zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP2-2021-3773=1
  • SUSE Linux Enterprise Module for Basesystem 15-SP2:
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP2-2021-3773=1

Package List:

  • SUSE Linux Enterprise Module for Server Applications 15-SP2 (aarch64 ppc64le s390x x86_64):
    • bind-9.16.6-12.57.1
    • bind-chrootenv-9.16.6-12.57.1
    • bind-debuginfo-9.16.6-12.57.1
    • bind-debugsource-9.16.6-12.57.1
  • SUSE Linux Enterprise Module for Server Applications 15-SP2 (noarch):
    • bind-doc-9.16.6-12.57.1
  • SUSE Linux Enterprise Module for Basesystem 15-SP2 (aarch64 ppc64le s390x x86_64):
    • bind-debuginfo-9.16.6-12.57.1
    • bind-debugsource-9.16.6-12.57.1
    • bind-devel-9.16.6-12.57.1
    • bind-utils-9.16.6-12.57.1
    • bind-utils-debuginfo-9.16.6-12.57.1
    • libbind9-1600-9.16.6-12.57.1
    • libbind9-1600-debuginfo-9.16.6-12.57.1
    • libdns1605-9.16.6-12.57.1
    • libdns1605-debuginfo-9.16.6-12.57.1
    • libirs-devel-9.16.6-12.57.1
    • libirs1601-9.16.6-12.57.1
    • libirs1601-debuginfo-9.16.6-12.57.1
    • libisc1606-9.16.6-12.57.1
    • libisc1606-debuginfo-9.16.6-12.57.1
    • libisccc1600-9.16.6-12.57.1
    • libisccc1600-debuginfo-9.16.6-12.57.1
    • libisccfg1600-9.16.6-12.57.1
    • libisccfg1600-debuginfo-9.16.6-12.57.1
    • libns1604-9.16.6-12.57.1
    • libns1604-debuginfo-9.16.6-12.57.1
  • SUSE Linux Enterprise Module for Basesystem 15-SP2 (noarch):
    • python3-bind-9.16.6-12.57.1

References: