Security update for grub2

SUSE Security Update: Security update for grub2
Announcement ID: SUSE-SU-2020:2076-1
Rating: important
References: #1084632 #1168994 #1173812 #1174463 #1174570
Cross-References:CVE-2020-10713 CVE-2020-14308 CVE-2020-14309 CVE-2020-14310 CVE-2020-14311 CVE-2020-15706 CVE-2020-15707
Affected Products:
  • SUSE OpenStack Cloud 7
  • SUSE Linux Enterprise Server for SAP 12-SP2
  • SUSE Linux Enterprise Server 12-SP2-LTSS
  • SUSE Linux Enterprise Server 12-SP2-BCL

An update that fixes 7 vulnerabilities is now available.

Description:

This update for grub2 fixes the following issues:

  • Fix for CVE-2020-10713 (bsc#1168994)
  • Fix for CVE-2020-14308 CVE-2020-14309, CVE-2020-14310, CVE-2020-14311 (bsc#1173812)
  • Fix for CVE-2020-15706 (bsc#1174463)
  • Fix for CVE-2020-15707 (bsc#1174570)

  • Use overflow checking primitives where the arithmetic expression for buffer allocations may include unvalidated data
  • Use gcc-9 compiler for overflow check builtins
  • Backport gcc-9 build fixes
  • Fix packed-not-aligned error on GCC 8 (bsc#1084632)
  • Backport gcc-7 build fixes

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 OpenStack Cloud 7:
    zypper in -t patch SUSE-OpenStack-Cloud-7-2020-2076=1
  • SUSE Linux Enterprise Server for SAP 12-SP2:
    zypper in -t patch SUSE-SLE-SAP-12-SP2-2020-2076=1
  • SUSE Linux Enterprise Server 12-SP2-LTSS:
    zypper in -t patch SUSE-SLE-SERVER-12-SP2-2020-2076=1
  • SUSE Linux Enterprise Server 12-SP2-BCL:
    zypper in -t patch SUSE-SLE-SERVER-12-SP2-BCL-2020-2076=1

Package List:

  • SUSE OpenStack Cloud 7 (s390x x86_64):
    • grub2-2.02~beta2-115.49.1
    • grub2-debuginfo-2.02~beta2-115.49.1
    • grub2-debugsource-2.02~beta2-115.49.1
  • SUSE OpenStack Cloud 7 (noarch):
    • grub2-snapper-plugin-2.02~beta2-115.49.1
    • grub2-systemd-sleep-plugin-2.02~beta2-115.49.1
  • SUSE OpenStack Cloud 7 (x86_64):
    • grub2-i386-pc-2.02~beta2-115.49.1
    • grub2-x86_64-efi-2.02~beta2-115.49.1
    • grub2-x86_64-xen-2.02~beta2-115.49.1
  • SUSE OpenStack Cloud 7 (s390x):
    • grub2-s390x-emu-2.02~beta2-115.49.1
  • SUSE Linux Enterprise Server for SAP 12-SP2 (ppc64le x86_64):
    • grub2-2.02~beta2-115.49.1
    • grub2-debuginfo-2.02~beta2-115.49.1
  • SUSE Linux Enterprise Server for SAP 12-SP2 (ppc64le):
    • grub2-powerpc-ieee1275-2.02~beta2-115.49.1
  • SUSE Linux Enterprise Server for SAP 12-SP2 (x86_64):
    • grub2-debugsource-2.02~beta2-115.49.1
    • grub2-i386-pc-2.02~beta2-115.49.1
    • grub2-x86_64-efi-2.02~beta2-115.49.1
    • grub2-x86_64-xen-2.02~beta2-115.49.1
  • SUSE Linux Enterprise Server for SAP 12-SP2 (noarch):
    • grub2-snapper-plugin-2.02~beta2-115.49.1
    • grub2-systemd-sleep-plugin-2.02~beta2-115.49.1
  • SUSE Linux Enterprise Server 12-SP2-LTSS (ppc64le s390x x86_64):
    • grub2-2.02~beta2-115.49.1
    • grub2-debuginfo-2.02~beta2-115.49.1
  • SUSE Linux Enterprise Server 12-SP2-LTSS (s390x x86_64):
    • grub2-debugsource-2.02~beta2-115.49.1
  • SUSE Linux Enterprise Server 12-SP2-LTSS (ppc64le):
    • grub2-powerpc-ieee1275-2.02~beta2-115.49.1
  • SUSE Linux Enterprise Server 12-SP2-LTSS (noarch):
    • grub2-snapper-plugin-2.02~beta2-115.49.1
    • grub2-systemd-sleep-plugin-2.02~beta2-115.49.1
  • SUSE Linux Enterprise Server 12-SP2-LTSS (x86_64):
    • grub2-i386-pc-2.02~beta2-115.49.1
    • grub2-x86_64-efi-2.02~beta2-115.49.1
    • grub2-x86_64-xen-2.02~beta2-115.49.1
  • SUSE Linux Enterprise Server 12-SP2-LTSS (s390x):
    • grub2-s390x-emu-2.02~beta2-115.49.1
  • SUSE Linux Enterprise Server 12-SP2-BCL (noarch):
    • grub2-snapper-plugin-2.02~beta2-115.49.1
    • grub2-systemd-sleep-plugin-2.02~beta2-115.49.1
  • SUSE Linux Enterprise Server 12-SP2-BCL (x86_64):
    • grub2-2.02~beta2-115.49.1
    • grub2-debuginfo-2.02~beta2-115.49.1
    • grub2-debugsource-2.02~beta2-115.49.1
    • grub2-i386-pc-2.02~beta2-115.49.1
    • grub2-x86_64-efi-2.02~beta2-115.49.1
    • grub2-x86_64-xen-2.02~beta2-115.49.1

References: