SUSE-SU-2021:2809-1: moderate: Security update for systemd

[sle-updates at lists.suse.com]

   SUSE Security Update: Security update for systemd
______________________________________________________________________________

Announcement ID:    SUSE-SU-2021:2809-1
Rating:             moderate
References:         #1166028 #1171962 #1184994 #1185972 #1188063 
                    
Cross-References:   CVE-2020-13529 CVE-2021-33910
CVSS scores:
                    CVE-2020-13529 (NVD) : 6.1 CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H
                    CVE-2020-13529 (SUSE): 6.1 CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H
                    CVE-2021-33910 (NVD) : 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
                    CVE-2021-33910 (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 Basesystem 15-SP3
______________________________________________________________________________

   An update that solves two vulnerabilities and has three
   fixes is now available.

Description:

   This update for systemd fixes the following issues:

   - Updated to version 246.15
   - CVE-2021-33910: Fixed a denial of service issue in systemd. (bsc#1188063)
   - CVE-2020-13529: Fixed an issue that allows crafted DHCP FORCERENEW
     packet can cause a server running the DHCP client to be vulnerable to a
     DHCP ACK spoofing attack. (bsc#1185972)


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 Basesystem 15-SP3:

      zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP3-2021-2809=1



Package List:

   - SUSE Linux Enterprise Module for Basesystem 15-SP3 (aarch64 ppc64le s390x x86_64):

      libsystemd0-246.15-7.11.1
      libsystemd0-debuginfo-246.15-7.11.1
      libudev-devel-246.15-7.11.1
      libudev1-246.15-7.11.1
      libudev1-debuginfo-246.15-7.11.1
      systemd-246.15-7.11.1
      systemd-container-246.15-7.11.1
      systemd-container-debuginfo-246.15-7.11.1
      systemd-coredump-246.15-7.11.1
      systemd-coredump-debuginfo-246.15-7.11.1
      systemd-debuginfo-246.15-7.11.1
      systemd-debugsource-246.15-7.11.1
      systemd-devel-246.15-7.11.1
      systemd-doc-246.15-7.11.1
      systemd-journal-remote-246.15-7.11.1
      systemd-journal-remote-debuginfo-246.15-7.11.1
      systemd-sysvinit-246.15-7.11.1
      udev-246.15-7.11.1
      udev-debuginfo-246.15-7.11.1

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

      systemd-lang-246.15-7.11.1

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

      libsystemd0-32bit-246.15-7.11.1
      libsystemd0-32bit-debuginfo-246.15-7.11.1
      libudev1-32bit-246.15-7.11.1
      libudev1-32bit-debuginfo-246.15-7.11.1
      systemd-32bit-246.15-7.11.1
      systemd-32bit-debuginfo-246.15-7.11.1


References:

   https://www.suse.com/security/cve/CVE-2020-13529.html
   https://www.suse.com/security/cve/CVE-2021-33910.html
   https://bugzilla.suse.com/1166028
   https://bugzilla.suse.com/1171962
   https://bugzilla.suse.com/1184994
   https://bugzilla.suse.com/1185972
   https://bugzilla.suse.com/1188063