SUSE-SU-2020:2073-1: important: Security update for grub2

[sle-security-updates at lists.suse.com]

   SUSE Security Update: Security update for grub2
______________________________________________________________________________

Announcement ID:    SUSE-SU-2020:2073-1
Rating:             important
References:         #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 Linux Enterprise Server for SAP 15
                    SUSE Linux Enterprise Server 15-LTSS
                    SUSE Linux Enterprise High Performance Computing 15-LTSS
                    SUSE Linux Enterprise High Performance Computing 15-ESPOS
______________________________________________________________________________

   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 grub_calloc for overflow check and return NULL when it would occur
   - Use gcc-9 compiler for overflow check builtins
   - Backport gcc-9 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 Linux Enterprise Server for SAP 15:

      zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-2020-2073=1

   - SUSE Linux Enterprise Server 15-LTSS:

      zypper in -t patch SUSE-SLE-Product-SLES-15-2020-2073=1

   - SUSE Linux Enterprise High Performance Computing 15-LTSS:

      zypper in -t patch SUSE-SLE-Product-HPC-15-2020-2073=1

   - SUSE Linux Enterprise High Performance Computing 15-ESPOS:

      zypper in -t patch SUSE-SLE-Product-HPC-15-2020-2073=1



Package List:

   - SUSE Linux Enterprise Server for SAP 15 (ppc64le x86_64):

      grub2-2.02-19.48.1
      grub2-debuginfo-2.02-19.48.1

   - SUSE Linux Enterprise Server for SAP 15 (ppc64le):

      grub2-powerpc-ieee1275-2.02-19.48.1

   - SUSE Linux Enterprise Server for SAP 15 (noarch):

      grub2-snapper-plugin-2.02-19.48.1
      grub2-systemd-sleep-plugin-2.02-19.48.1

   - SUSE Linux Enterprise Server for SAP 15 (x86_64):

      grub2-debugsource-2.02-19.48.1
      grub2-i386-pc-2.02-19.48.1
      grub2-x86_64-efi-2.02-19.48.1
      grub2-x86_64-xen-2.02-19.48.1

   - SUSE Linux Enterprise Server 15-LTSS (aarch64 s390x):

      grub2-2.02-19.48.1
      grub2-debuginfo-2.02-19.48.1
      grub2-debugsource-2.02-19.48.1

   - SUSE Linux Enterprise Server 15-LTSS (aarch64):

      grub2-arm64-efi-2.02-19.48.1

   - SUSE Linux Enterprise Server 15-LTSS (noarch):

      grub2-snapper-plugin-2.02-19.48.1
      grub2-systemd-sleep-plugin-2.02-19.48.1

   - SUSE Linux Enterprise Server 15-LTSS (s390x):

      grub2-s390x-emu-2.02-19.48.1

   - SUSE Linux Enterprise High Performance Computing 15-LTSS (aarch64 x86_64):

      grub2-2.02-19.48.1
      grub2-debuginfo-2.02-19.48.1
      grub2-debugsource-2.02-19.48.1

   - SUSE Linux Enterprise High Performance Computing 15-LTSS (aarch64):

      grub2-arm64-efi-2.02-19.48.1

   - SUSE Linux Enterprise High Performance Computing 15-LTSS (x86_64):

      grub2-i386-pc-2.02-19.48.1
      grub2-x86_64-efi-2.02-19.48.1
      grub2-x86_64-xen-2.02-19.48.1

   - SUSE Linux Enterprise High Performance Computing 15-LTSS (noarch):

      grub2-snapper-plugin-2.02-19.48.1
      grub2-systemd-sleep-plugin-2.02-19.48.1

   - SUSE Linux Enterprise High Performance Computing 15-ESPOS (aarch64 x86_64):

      grub2-2.02-19.48.1
      grub2-debuginfo-2.02-19.48.1
      grub2-debugsource-2.02-19.48.1

   - SUSE Linux Enterprise High Performance Computing 15-ESPOS (aarch64):

      grub2-arm64-efi-2.02-19.48.1

   - SUSE Linux Enterprise High Performance Computing 15-ESPOS (noarch):

      grub2-snapper-plugin-2.02-19.48.1
      grub2-systemd-sleep-plugin-2.02-19.48.1

   - SUSE Linux Enterprise High Performance Computing 15-ESPOS (x86_64):

      grub2-i386-pc-2.02-19.48.1
      grub2-x86_64-efi-2.02-19.48.1
      grub2-x86_64-xen-2.02-19.48.1


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/1168994
   https://bugzilla.suse.com/1173812
   https://bugzilla.suse.com/1174463
   https://bugzilla.suse.com/1174570