Security update for grub2

Announcement ID:	SUSE-SU-2020:2076-1
Rating:	important
References:	bsc#1084632 bsc#1168994 bsc#1173812 bsc#1174463 bsc#1174570
Cross-References:	CVE-2020-10713 CVE-2020-14308 CVE-2020-14309 CVE-2020-14310 CVE-2020-14311 CVE-2020-15706 CVE-2020-15707
CVSS scores:	CVE-2020-10713 ( SUSE ): 8.2 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H CVE-2020-10713 ( NVD ): 8.2 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H CVE-2020-14308 ( SUSE ): 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H CVE-2020-14308 ( NVD ): 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H CVE-2020-14309 ( SUSE ): 5.7 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:H CVE-2020-14309 ( NVD ): 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H CVE-2020-14310 ( SUSE ): 5.7 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:H CVE-2020-14310 ( NVD ): 6.0 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H CVE-2020-14311 ( SUSE ): 5.7 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:H CVE-2020-14311 ( NVD ): 6.0 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H CVE-2020-15706 ( SUSE ): 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H CVE-2020-15706 ( NVD ): 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H CVE-2020-15707 ( 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 seven vulnerabilities can now be installed.

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 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 Point of Service Image Server 12 12-SP2
  zypper in -t patch SUSE-SLE-POS-12-SP2-CLIENT-2020-2076=1
• SUSE Linux Enterprise Server for SAP Applications 12 SP2
  zypper in -t patch SUSE-SLE-SAP-12-SP2-2020-2076=1
• SUSE Linux Enterprise Server 12 SP2 BCL 12-SP2
  zypper in -t patch SUSE-SLE-SERVER-12-SP2-BCL-2020-2076=1
• SUSE Linux Enterprise Server 12 SP2 ESPOS 12-SP2
  zypper in -t patch SUSE-SLE-SERVER-12-SP2-ESPOS-2020-2076=1
• SUSE Linux Enterprise Server 12 SP2 LTSS 12-SP2
  zypper in -t patch SUSE-SLE-SERVER-12-SP2-2020-2076=1

Package List:

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

References:

• https://www.suse.com/security/cve/CVE-2020-10713.html
• https://www.suse.com/security/cve/CVE-2020-14308.html
• https://www.suse.com/security/cve/CVE-2020-14309.html
• https://www.suse.com/security/cve/CVE-2020-14310.html
• https://www.suse.com/security/cve/CVE-2020-14311.html
• https://www.suse.com/security/cve/CVE-2020-15706.html
• https://www.suse.com/security/cve/CVE-2020-15707.html
• https://bugzilla.suse.com/show_bug.cgi?id=1084632
• https://bugzilla.suse.com/show_bug.cgi?id=1168994
• https://bugzilla.suse.com/show_bug.cgi?id=1173812
• https://bugzilla.suse.com/show_bug.cgi?id=1174463
• https://bugzilla.suse.com/show_bug.cgi?id=1174570