SUSE-SU-2021:0684-1: important: Security update for grub2

sle-security-updates at lists.suse.com sle-security-updates at lists.suse.com
Tue Mar 2 23:33:14 UTC 2021 

   SUSE Security Update: Security update for grub2
______________________________________________________________________________

Announcement ID:    SUSE-SU-2021:0684-1
Rating:             important
References:         #1175970 #1176711 #1177883 #1179264 #1179265 
                    #1182057 #1182262 #1182263 
Cross-References:   CVE-2020-14372 CVE-2020-25632 CVE-2020-25647
                    CVE-2020-27749 CVE-2020-27779 CVE-2021-20225
                    CVE-2021-20233
CVSS scores:
                    CVE-2020-14372 (SUSE): 7.5 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
                    CVE-2020-25632 (SUSE): 7.5 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
                    CVE-2020-25647 (SUSE): 7.6 CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
                    CVE-2020-27749 (SUSE): 7.5 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
                    CVE-2020-27779 (SUSE): 7.5 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
                    CVE-2021-20225 (SUSE): 7.5 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
                    CVE-2021-20233 (SUSE): 7.5 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

Affected Products:
                    SUSE Manager Server 4.0
                    SUSE Manager Retail Branch Server 4.0
                    SUSE Manager Proxy 4.0
                    SUSE Linux Enterprise Server for SAP 15-SP1
                    SUSE Linux Enterprise Server 15-SP1-LTSS
                    SUSE Linux Enterprise Server 15-SP1-BCL
                    SUSE Linux Enterprise High Performance Computing 15-SP1-LTSS
                    SUSE Linux Enterprise High Performance Computing 15-SP1-ESPOS
                    SUSE Enterprise Storage 6
                    SUSE CaaS Platform 4.0
______________________________________________________________________________

   An update that solves 7 vulnerabilities and has one errata
   is now available.

Description:

   This update for grub2 fixes the following issues:

   grub2 now implements the new "SBAT" method for SHIM based secure boot
   revocation. (bsc#1182057)

   Following security issues are fixed that can violate secure boot
   constraints:

   - CVE-2020-25632: Fixed a use-after-free in rmmod command (bsc#1176711)
   - CVE-2020-25647: Fixed an out-of-bound write in
     grub_usb_device_initialize() (bsc#1177883)
   - CVE-2020-27749: Fixed a stack buffer overflow in
     grub_parser_split_cmdline (bsc#1179264)
   - CVE-2020-27779, CVE-2020-14372: Disallow cutmem and acpi commands in
     secure boot mode (bsc#1179265 bsc#1175970)
   - CVE-2021-20225: Fixed a heap out-of-bounds write in short form option
     parser (bsc#1182262)
   - CVE-2021-20233: Fixed a heap out-of-bound write due to mis-calculation
     of space required for quoting (bsc#1182263)


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 Manager Server 4.0:

      zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Server-4.0-2021-684=1

   - SUSE Manager Retail Branch Server 4.0:

      zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Retail-Branch-Server-4.0-2021-684=1

   - SUSE Manager Proxy 4.0:

      zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Proxy-4.0-2021-684=1

   - SUSE Linux Enterprise Server for SAP 15-SP1:

      zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP1-2021-684=1

   - SUSE Linux Enterprise Server 15-SP1-LTSS:

      zypper in -t patch SUSE-SLE-Product-SLES-15-SP1-LTSS-2021-684=1

   - SUSE Linux Enterprise Server 15-SP1-BCL:

      zypper in -t patch SUSE-SLE-Product-SLES-15-SP1-BCL-2021-684=1

   - SUSE Linux Enterprise High Performance Computing 15-SP1-LTSS:

      zypper in -t patch SUSE-SLE-Product-HPC-15-SP1-LTSS-2021-684=1

   - SUSE Linux Enterprise High Performance Computing 15-SP1-ESPOS:

      zypper in -t patch SUSE-SLE-Product-HPC-15-SP1-ESPOS-2021-684=1

   - SUSE Enterprise Storage 6:

      zypper in -t patch SUSE-Storage-6-2021-684=1

   - SUSE CaaS Platform 4.0:

      To install this update, use the SUSE CaaS Platform 'skuba' tool. It
      will inform you if it detects new updates and let you then trigger
      updating of the complete cluster in a controlled way.



Package List:

   - SUSE Manager Server 4.0 (ppc64le s390x x86_64):

      grub2-2.02-26.43.1
      grub2-debuginfo-2.02-26.43.1

   - SUSE Manager Server 4.0 (s390x x86_64):

      grub2-debugsource-2.02-26.43.1

   - SUSE Manager Server 4.0 (noarch):

      grub2-i386-pc-2.02-26.43.1
      grub2-powerpc-ieee1275-2.02-26.43.1
      grub2-snapper-plugin-2.02-26.43.1
      grub2-systemd-sleep-plugin-2.02-26.43.1
      grub2-x86_64-efi-2.02-26.43.1
      grub2-x86_64-xen-2.02-26.43.1

   - SUSE Manager Server 4.0 (s390x):

      grub2-s390x-emu-2.02-26.43.1

   - SUSE Manager Retail Branch Server 4.0 (noarch):

      grub2-i386-pc-2.02-26.43.1
      grub2-snapper-plugin-2.02-26.43.1
      grub2-systemd-sleep-plugin-2.02-26.43.1
      grub2-x86_64-efi-2.02-26.43.1
      grub2-x86_64-xen-2.02-26.43.1

   - SUSE Manager Retail Branch Server 4.0 (x86_64):

      grub2-2.02-26.43.1
      grub2-debuginfo-2.02-26.43.1
      grub2-debugsource-2.02-26.43.1

   - SUSE Manager Proxy 4.0 (x86_64):

      grub2-2.02-26.43.1
      grub2-debuginfo-2.02-26.43.1
      grub2-debugsource-2.02-26.43.1

   - SUSE Manager Proxy 4.0 (noarch):

      grub2-i386-pc-2.02-26.43.1
      grub2-snapper-plugin-2.02-26.43.1
      grub2-systemd-sleep-plugin-2.02-26.43.1
      grub2-x86_64-efi-2.02-26.43.1
      grub2-x86_64-xen-2.02-26.43.1

   - SUSE Linux Enterprise Server for SAP 15-SP1 (ppc64le x86_64):

      grub2-2.02-26.43.1
      grub2-debuginfo-2.02-26.43.1

   - SUSE Linux Enterprise Server for SAP 15-SP1 (x86_64):

      grub2-debugsource-2.02-26.43.1

   - SUSE Linux Enterprise Server for SAP 15-SP1 (noarch):

      grub2-i386-pc-2.02-26.43.1
      grub2-powerpc-ieee1275-2.02-26.43.1
      grub2-snapper-plugin-2.02-26.43.1
      grub2-systemd-sleep-plugin-2.02-26.43.1
      grub2-x86_64-efi-2.02-26.43.1
      grub2-x86_64-xen-2.02-26.43.1

   - SUSE Linux Enterprise Server 15-SP1-LTSS (aarch64 ppc64le s390x x86_64):

      grub2-2.02-26.43.1
      grub2-debuginfo-2.02-26.43.1

   - SUSE Linux Enterprise Server 15-SP1-LTSS (aarch64 s390x x86_64):

      grub2-debugsource-2.02-26.43.1

   - SUSE Linux Enterprise Server 15-SP1-LTSS (noarch):

      grub2-arm64-efi-2.02-26.43.1
      grub2-i386-pc-2.02-26.43.1
      grub2-powerpc-ieee1275-2.02-26.43.1
      grub2-snapper-plugin-2.02-26.43.1
      grub2-systemd-sleep-plugin-2.02-26.43.1
      grub2-x86_64-efi-2.02-26.43.1
      grub2-x86_64-xen-2.02-26.43.1

   - SUSE Linux Enterprise Server 15-SP1-LTSS (s390x):

      grub2-s390x-emu-2.02-26.43.1

   - SUSE Linux Enterprise Server 15-SP1-BCL (x86_64):

      grub2-2.02-26.43.1
      grub2-debuginfo-2.02-26.43.1
      grub2-debugsource-2.02-26.43.1

   - SUSE Linux Enterprise Server 15-SP1-BCL (noarch):

      grub2-i386-pc-2.02-26.43.1
      grub2-snapper-plugin-2.02-26.43.1
      grub2-systemd-sleep-plugin-2.02-26.43.1
      grub2-x86_64-efi-2.02-26.43.1
      grub2-x86_64-xen-2.02-26.43.1

   - SUSE Linux Enterprise High Performance Computing 15-SP1-LTSS (aarch64 x86_64):

      grub2-2.02-26.43.1
      grub2-debuginfo-2.02-26.43.1
      grub2-debugsource-2.02-26.43.1

   - SUSE Linux Enterprise High Performance Computing 15-SP1-LTSS (noarch):

      grub2-arm64-efi-2.02-26.43.1
      grub2-i386-pc-2.02-26.43.1
      grub2-snapper-plugin-2.02-26.43.1
      grub2-systemd-sleep-plugin-2.02-26.43.1
      grub2-x86_64-efi-2.02-26.43.1
      grub2-x86_64-xen-2.02-26.43.1

   - SUSE Linux Enterprise High Performance Computing 15-SP1-ESPOS (aarch64 x86_64):

      grub2-2.02-26.43.1
      grub2-debuginfo-2.02-26.43.1
      grub2-debugsource-2.02-26.43.1

   - SUSE Linux Enterprise High Performance Computing 15-SP1-ESPOS (noarch):

      grub2-arm64-efi-2.02-26.43.1
      grub2-i386-pc-2.02-26.43.1
      grub2-snapper-plugin-2.02-26.43.1
      grub2-systemd-sleep-plugin-2.02-26.43.1
      grub2-x86_64-efi-2.02-26.43.1
      grub2-x86_64-xen-2.02-26.43.1

   - SUSE Enterprise Storage 6 (aarch64 x86_64):

      grub2-2.02-26.43.1
      grub2-debuginfo-2.02-26.43.1
      grub2-debugsource-2.02-26.43.1

   - SUSE Enterprise Storage 6 (noarch):

      grub2-arm64-efi-2.02-26.43.1
      grub2-i386-pc-2.02-26.43.1
      grub2-snapper-plugin-2.02-26.43.1
      grub2-systemd-sleep-plugin-2.02-26.43.1
      grub2-x86_64-efi-2.02-26.43.1
      grub2-x86_64-xen-2.02-26.43.1

   - SUSE CaaS Platform 4.0 (x86_64):

      grub2-2.02-26.43.1
      grub2-debuginfo-2.02-26.43.1
      grub2-debugsource-2.02-26.43.1

   - SUSE CaaS Platform 4.0 (noarch):

      grub2-i386-pc-2.02-26.43.1
      grub2-snapper-plugin-2.02-26.43.1
      grub2-systemd-sleep-plugin-2.02-26.43.1
      grub2-x86_64-efi-2.02-26.43.1
      grub2-x86_64-xen-2.02-26.43.1


References:

   https://www.suse.com/security/cve/CVE-2020-14372.html
   https://www.suse.com/security/cve/CVE-2020-25632.html
   https://www.suse.com/security/cve/CVE-2020-25647.html
   https://www.suse.com/security/cve/CVE-2020-27749.html
   https://www.suse.com/security/cve/CVE-2020-27779.html
   https://www.suse.com/security/cve/CVE-2021-20225.html
   https://www.suse.com/security/cve/CVE-2021-20233.html
   https://bugzilla.suse.com/1175970
   https://bugzilla.suse.com/1176711
   https://bugzilla.suse.com/1177883
   https://bugzilla.suse.com/1179264
   https://bugzilla.suse.com/1179265
   https://bugzilla.suse.com/1182057
   https://bugzilla.suse.com/1182262
   https://bugzilla.suse.com/1182263

More information about the sle-security-updates mailing list