SUSE Security Update: Security update for grub2
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Announcement ID:    SUSE-SU-2020:2306-1
Rating:             important
References:         #1172745 #1174421 
Cross-References:   CVE-2020-15705
Affected Products:
                    SUSE Linux Enterprise Module for Server Applications 15-SP2
                    SUSE Linux Enterprise Module for Basesystem 15-SP2
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   An update that solves one vulnerability and has one errata
   is now available.

Description:

   This update for grub2 fixes the following issue:

   - CVE-2020-15705: Fail kernel validation without shim protocol
     (bsc#1174421).
   - Add fibre channel device's ofpath support to grub-ofpathname and search
     hint to speed up root device discovery (bsc#1172745).


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-SP2-2020-2306=1

   - SUSE Linux Enterprise Module for Basesystem 15-SP2:

      zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP2-2020-2306=1



Package List:

   - SUSE Linux Enterprise Module for Server Applications 15-SP2 (noarch):

      grub2-x86_64-xen-2.04-9.15.1

   - SUSE Linux Enterprise Module for Basesystem 15-SP2 (aarch64 ppc64le s390x x86_64):

      grub2-2.04-9.15.1
      grub2-debuginfo-2.04-9.15.1

   - SUSE Linux Enterprise Module for Basesystem 15-SP2 (aarch64 s390x x86_64):

      grub2-debugsource-2.04-9.15.1

   - SUSE Linux Enterprise Module for Basesystem 15-SP2 (noarch):

      grub2-arm64-efi-2.04-9.15.1
      grub2-i386-pc-2.04-9.15.1
      grub2-powerpc-ieee1275-2.04-9.15.1
      grub2-snapper-plugin-2.04-9.15.1
      grub2-systemd-sleep-plugin-2.04-9.15.1
      grub2-x86_64-efi-2.04-9.15.1

   - SUSE Linux Enterprise Module for Basesystem 15-SP2 (s390x):

      grub2-s390x-emu-2.04-9.15.1


References:

   https://www.suse.com/security/cve/CVE-2020-15705.html
   https://bugzilla.suse.com/1172745
   https://bugzilla.suse.com/1174421

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