Security update for grub2

Announcement ID:	SUSE-SU-2020:2303-1
Rating:	important
References:	bsc#1172745 bsc#1174421
Cross-References:	CVE-2020-15705
CVSS scores:	CVE-2020-15705 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2020-15705 ( NVD ): 6.4 CVSS:3.1/AV:L/AC:H/PR:H/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 one vulnerability and has one security fix can now be installed.

Description:

This update for grub2 fixes the following issues:

• 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 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-15-2020-2303=1
• SUSE Linux Enterprise High Performance Computing 15 LTSS 15
  zypper in -t patch SUSE-SLE-Product-HPC-15-2020-2303=1
• SUSE Linux Enterprise Server 15 LTSS 15
  zypper in -t patch SUSE-SLE-Product-SLES-15-2020-2303=1
• SUSE Linux Enterprise Server for SAP Applications 15
  zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-2020-2303=1

Package List:

• SUSE Linux Enterprise Server ESPOS 15 (aarch64 x86_64)
  • grub2-debugsource-2.02-19.56.1
  • grub2-debuginfo-2.02-19.56.1
  • grub2-2.02-19.56.1
• SUSE Linux Enterprise Server ESPOS 15 (aarch64)
  • grub2-arm64-efi-2.02-19.56.1
• SUSE Linux Enterprise Server ESPOS 15 (noarch)
  • grub2-snapper-plugin-2.02-19.56.1
  • grub2-systemd-sleep-plugin-2.02-19.56.1
• SUSE Linux Enterprise Server ESPOS 15 (x86_64)
  • grub2-x86_64-efi-2.02-19.56.1
  • grub2-i386-pc-2.02-19.56.1
  • grub2-x86_64-xen-2.02-19.56.1
• SUSE Linux Enterprise High Performance Computing 15 LTSS 15 (aarch64 x86_64)
  • grub2-debugsource-2.02-19.56.1
  • grub2-debuginfo-2.02-19.56.1
  • grub2-2.02-19.56.1
• SUSE Linux Enterprise High Performance Computing 15 LTSS 15 (aarch64)
  • grub2-arm64-efi-2.02-19.56.1
• SUSE Linux Enterprise High Performance Computing 15 LTSS 15 (noarch)
  • grub2-snapper-plugin-2.02-19.56.1
  • grub2-systemd-sleep-plugin-2.02-19.56.1
• SUSE Linux Enterprise High Performance Computing 15 LTSS 15 (x86_64)
  • grub2-x86_64-efi-2.02-19.56.1
  • grub2-i386-pc-2.02-19.56.1
  • grub2-x86_64-xen-2.02-19.56.1
• SUSE Linux Enterprise Server 15 LTSS 15 (aarch64 ppc64le s390x x86_64)
  • grub2-debuginfo-2.02-19.56.1
  • grub2-2.02-19.56.1
• SUSE Linux Enterprise Server 15 LTSS 15 (aarch64)
  • grub2-arm64-efi-2.02-19.56.1
• SUSE Linux Enterprise Server 15 LTSS 15 (aarch64 s390x x86_64)
  • grub2-debugsource-2.02-19.56.1
• SUSE Linux Enterprise Server 15 LTSS 15 (noarch)
  • grub2-snapper-plugin-2.02-19.56.1
  • grub2-systemd-sleep-plugin-2.02-19.56.1
• SUSE Linux Enterprise Server 15 LTSS 15 (ppc64le)
  • grub2-powerpc-ieee1275-2.02-19.56.1
• SUSE Linux Enterprise Server 15 LTSS 15 (s390x)
  • grub2-s390x-emu-2.02-19.56.1
• SUSE Linux Enterprise Server 15 LTSS 15 (x86_64)
  • grub2-x86_64-efi-2.02-19.56.1
  • grub2-i386-pc-2.02-19.56.1
  • grub2-x86_64-xen-2.02-19.56.1
• SUSE Linux Enterprise Server for SAP Applications 15 (ppc64le x86_64)
  • grub2-debuginfo-2.02-19.56.1
  • grub2-2.02-19.56.1
• SUSE Linux Enterprise Server for SAP Applications 15 (ppc64le)
  • grub2-powerpc-ieee1275-2.02-19.56.1
• SUSE Linux Enterprise Server for SAP Applications 15 (noarch)
  • grub2-snapper-plugin-2.02-19.56.1
  • grub2-systemd-sleep-plugin-2.02-19.56.1
• SUSE Linux Enterprise Server for SAP Applications 15 (x86_64)
  • grub2-x86_64-efi-2.02-19.56.1
  • grub2-i386-pc-2.02-19.56.1
  • grub2-debugsource-2.02-19.56.1
  • grub2-x86_64-xen-2.02-19.56.1

References:

• https://www.suse.com/security/cve/CVE-2020-15705.html
• https://bugzilla.suse.com/show_bug.cgi?id=1172745
• https://bugzilla.suse.com/show_bug.cgi?id=1174421