Security update for grub2

Announcement ID: SUSE-SU-2020:2308-1
Rating: important
References:
Cross-References:
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 12 SP2
  • SUSE Linux Enterprise High Performance Computing 12 SP3
  • SUSE Linux Enterprise High Performance Computing 12 SP4
  • SUSE Linux Enterprise High Performance Computing 12 SP5
  • SUSE Linux Enterprise Point of Service Image Server 12 12-SP2
  • SUSE Linux Enterprise Server 12 SP2
  • SUSE Linux Enterprise Server 12 SP2 BCL 12-SP2
  • SUSE Linux Enterprise Server 12 SP2 ESPOS 12-SP2
  • SUSE Linux Enterprise Server 12 SP2 LTSS 12-SP2
  • SUSE Linux Enterprise Server 12 SP3
  • SUSE Linux Enterprise Server 12 SP4
  • SUSE Linux Enterprise Server 12 SP5
  • SUSE Linux Enterprise Server for SAP Applications 12 SP2
  • SUSE Linux Enterprise Server for SAP Applications 12 SP3
  • SUSE Linux Enterprise Server for SAP Applications 12 SP4
  • SUSE Linux Enterprise Server for SAP Applications 12 SP5
  • SUSE OpenStack Cloud 7

An update that solves one vulnerability can now be installed.

Description:

This update for grub2 fixes the following issues:

  • CVE-2020-15705: Fail kernel validation without shim protocol (bsc#1174421).

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 OpenStack Cloud 7
    zypper in -t patch SUSE-OpenStack-Cloud-7-2020-2308=1
  • SUSE Linux Enterprise Point of Service Image Server 12 12-SP2
    zypper in -t patch SUSE-SLE-POS-12-SP2-CLIENT-2020-2308=1
  • SUSE Linux Enterprise Server for SAP Applications 12 SP2
    zypper in -t patch SUSE-SLE-SAP-12-SP2-2020-2308=1
  • SUSE Linux Enterprise Server 12 SP2 BCL 12-SP2
    zypper in -t patch SUSE-SLE-SERVER-12-SP2-BCL-2020-2308=1
  • SUSE Linux Enterprise Server 12 SP2 ESPOS 12-SP2
    zypper in -t patch SUSE-SLE-SERVER-12-SP2-ESPOS-2020-2308=1
  • SUSE Linux Enterprise Server 12 SP2 LTSS 12-SP2
    zypper in -t patch SUSE-SLE-SERVER-12-SP2-2020-2308=1

Package List:

  • SUSE OpenStack Cloud 7 (x86_64)
    • grub2-i386-pc-2.02~beta2-115.56.1
    • grub2-x86_64-efi-2.02~beta2-115.56.1
    • grub2-debugsource-2.02~beta2-115.56.1
    • grub2-x86_64-xen-2.02~beta2-115.56.1
    • grub2-debuginfo-2.02~beta2-115.56.1
    • grub2-2.02~beta2-115.56.1
  • SUSE OpenStack Cloud 7 (noarch)
    • grub2-systemd-sleep-plugin-2.02~beta2-115.56.1
    • grub2-snapper-plugin-2.02~beta2-115.56.1
  • SUSE Linux Enterprise Point of Service Image Server 12 12-SP2 (x86_64)
    • grub2-i386-pc-2.02~beta2-115.56.1
    • grub2-x86_64-efi-2.02~beta2-115.56.1
    • grub2-debugsource-2.02~beta2-115.56.1
    • grub2-x86_64-xen-2.02~beta2-115.56.1
    • grub2-debuginfo-2.02~beta2-115.56.1
    • grub2-2.02~beta2-115.56.1
  • SUSE Linux Enterprise Point of Service Image Server 12 12-SP2 (noarch)
    • grub2-systemd-sleep-plugin-2.02~beta2-115.56.1
    • grub2-snapper-plugin-2.02~beta2-115.56.1
  • SUSE Linux Enterprise Server for SAP Applications 12 SP2 (ppc64le x86_64)
    • grub2-debuginfo-2.02~beta2-115.56.1
    • grub2-2.02~beta2-115.56.1
  • SUSE Linux Enterprise Server for SAP Applications 12 SP2 (ppc64le)
    • grub2-powerpc-ieee1275-2.02~beta2-115.56.1
  • SUSE Linux Enterprise Server for SAP Applications 12 SP2 (noarch)
    • grub2-systemd-sleep-plugin-2.02~beta2-115.56.1
    • grub2-snapper-plugin-2.02~beta2-115.56.1
  • SUSE Linux Enterprise Server for SAP Applications 12 SP2 (x86_64)
    • grub2-x86_64-xen-2.02~beta2-115.56.1
    • grub2-x86_64-efi-2.02~beta2-115.56.1
    • grub2-debugsource-2.02~beta2-115.56.1
    • grub2-i386-pc-2.02~beta2-115.56.1
  • SUSE Linux Enterprise Server 12 SP2 BCL 12-SP2 (x86_64)
    • grub2-i386-pc-2.02~beta2-115.56.1
    • grub2-x86_64-efi-2.02~beta2-115.56.1
    • grub2-debugsource-2.02~beta2-115.56.1
    • grub2-x86_64-xen-2.02~beta2-115.56.1
    • grub2-debuginfo-2.02~beta2-115.56.1
    • grub2-2.02~beta2-115.56.1
  • SUSE Linux Enterprise Server 12 SP2 BCL 12-SP2 (noarch)
    • grub2-systemd-sleep-plugin-2.02~beta2-115.56.1
    • grub2-snapper-plugin-2.02~beta2-115.56.1
  • SUSE Linux Enterprise Server 12 SP2 ESPOS 12-SP2 (x86_64)
    • grub2-i386-pc-2.02~beta2-115.56.1
    • grub2-x86_64-efi-2.02~beta2-115.56.1
    • grub2-debugsource-2.02~beta2-115.56.1
    • grub2-x86_64-xen-2.02~beta2-115.56.1
    • grub2-debuginfo-2.02~beta2-115.56.1
    • grub2-2.02~beta2-115.56.1
  • SUSE Linux Enterprise Server 12 SP2 ESPOS 12-SP2 (noarch)
    • grub2-systemd-sleep-plugin-2.02~beta2-115.56.1
    • grub2-snapper-plugin-2.02~beta2-115.56.1
  • SUSE Linux Enterprise Server 12 SP2 LTSS 12-SP2 (ppc64le s390x x86_64)
    • grub2-debuginfo-2.02~beta2-115.56.1
    • grub2-2.02~beta2-115.56.1
  • SUSE Linux Enterprise Server 12 SP2 LTSS 12-SP2 (ppc64le)
    • grub2-powerpc-ieee1275-2.02~beta2-115.56.1
  • SUSE Linux Enterprise Server 12 SP2 LTSS 12-SP2 (noarch)
    • grub2-systemd-sleep-plugin-2.02~beta2-115.56.1
    • grub2-snapper-plugin-2.02~beta2-115.56.1
  • SUSE Linux Enterprise Server 12 SP2 LTSS 12-SP2 (s390x x86_64)
    • grub2-debugsource-2.02~beta2-115.56.1
  • SUSE Linux Enterprise Server 12 SP2 LTSS 12-SP2 (s390x)
    • grub2-s390x-emu-2.02~beta2-115.56.1
  • SUSE Linux Enterprise Server 12 SP2 LTSS 12-SP2 (x86_64)
    • grub2-x86_64-xen-2.02~beta2-115.56.1
    • grub2-x86_64-efi-2.02~beta2-115.56.1
    • grub2-i386-pc-2.02~beta2-115.56.1

References: