A grub2 security update has been released for SUSE Linux Enterprise and openSUSE Leap 15.3/Micro 5.2.

SUSE-SU-2022:4219-1: important: Security update for grub2

SUSE Security Update: Security update for grub2
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Announcement ID: SUSE-SU-2022:4219-1
Rating: important
References: #1205178 #1205182
Cross-References: CVE-2022-2601 CVE-2022-3775
CVSS scores:
CVE-2022-2601 (SUSE): 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
CVE-2022-3775 (SUSE): 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected Products:
SUSE Enterprise Storage 7.1
SUSE Linux Enterprise Desktop 15-SP3
SUSE Linux Enterprise High Performance Computing 15-SP3 SUSE Linux Enterprise Micro 5.2
SUSE Linux Enterprise Module for Basesystem 15-SP3 SUSE Linux Enterprise Module for SUSE Manager Proxy 4.2 SUSE Linux Enterprise Module for Server Applications 15-SP3
SUSE Linux Enterprise Server 15-SP3
SUSE Linux Enterprise Server for SAP Applications 15-SP3SUSE Manager Proxy 4.2
SUSE Manager Retail Branch Server 4.2
SUSE Manager Server 4.2
openSUSE Leap 15.3
openSUSE Leap Micro 5.2
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An update that fixes two vulnerabilities is now available.
Description:

This update for grub2 fixes the following issues:

- CVE-2022-2601: Fixed buffer overflow in grub_font_construct_glyph (bsc#1205178).
- CVE-2022-3775: Fixed integer underflow in blit_comb() (bsc#1205182).
Other:

- Bump upstream SBAT generation to 3

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:
- openSUSE Leap Micro 5.2:

zypper in -t patch openSUSE-Leap-Micro-5.2-2022-4219=1
- openSUSE Leap 15.3:

zypper in -t patch openSUSE-SLE-15.3-2022-4219=1

- SUSE Linux Enterprise Module for Server Applications 15-SP3:
zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP3-2022-4219=1

- SUSE Linux Enterprise Module for SUSE Manager Proxy 4.2:
zypper in -t patch SUSE-SLE-Module-SUSE-Manager-Proxy-4.2-2022-4219=1
- SUSE Linux Enterprise Module for Basesystem 15-SP3:

zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP3-2022-4219=1
- SUSE Linux Enterprise Micro 5.2:

zypper in -t patch SUSE-SUSE-MicroOS-5.2-2022-4219=1


Package List:

- openSUSE Leap Micro 5.2 (aarch64 x86_64):

grub2-2.04-150300.22.25.1
grub2-debuginfo-2.04-150300.22.25.1
grub2-debugsource-2.04-150300.22.25.1

- openSUSE Leap Micro 5.2 (noarch):

grub2-arm64-efi-2.04-150300.22.25.1
grub2-i386-pc-2.04-150300.22.25.1
grub2-snapper-plugin-2.04-150300.22.25.1
grub2-x86_64-efi-2.04-150300.22.25.1
grub2-x86_64-xen-2.04-150300.22.25.1

- openSUSE Leap 15.3 (aarch64 ppc64le s390x x86_64):

grub2-2.04-150300.22.25.1
grub2-branding-upstream-2.04-150300.22.25.1
grub2-debuginfo-2.04-150300.22.25.1

- openSUSE Leap 15.3 (aarch64 s390x x86_64):

grub2-debugsource-2.04-150300.22.25.1

- openSUSE Leap 15.3 (noarch):

grub2-arm64-efi-2.04-150300.22.25.1
grub2-arm64-efi-debug-2.04-150300.22.25.1
grub2-i386-pc-2.04-150300.22.25.1
grub2-i386-pc-debug-2.04-150300.22.25.1
grub2-powerpc-ieee1275-2.04-150300.22.25.1
grub2-powerpc-ieee1275-debug-2.04-150300.22.25.1
grub2-snapper-plugin-2.04-150300.22.25.1
grub2-systemd-sleep-plugin-2.04-150300.22.25.1
grub2-x86_64-efi-2.04-150300.22.25.1
grub2-x86_64-efi-debug-2.04-150300.22.25.1
grub2-x86_64-xen-2.04-150300.22.25.1

- openSUSE Leap 15.3 (s390x):

grub2-s390x-emu-2.04-150300.22.25.1
grub2-s390x-emu-debug-2.04-150300.22.25.1

- SUSE Linux Enterprise Module for Server Applications 15-SP3 (noarch):
grub2-x86_64-xen-2.04-150300.22.25.1

- SUSE Linux Enterprise Module for SUSE Manager Proxy 4.2 (noarch):
grub2-arm64-efi-2.04-150300.22.25.1

- SUSE Linux Enterprise Module for Basesystem 15-SP3 (aarch64 ppc64le s390x x86_64):

grub2-2.04-150300.22.25.1
grub2-debuginfo-2.04-150300.22.25.1

- SUSE Linux Enterprise Module for Basesystem 15-SP3 (aarch64 s390x x86_64):

grub2-debugsource-2.04-150300.22.25.1

- SUSE Linux Enterprise Module for Basesystem 15-SP3 (noarch):
grub2-arm64-efi-2.04-150300.22.25.1
grub2-i386-pc-2.04-150300.22.25.1
grub2-powerpc-ieee1275-2.04-150300.22.25.1
grub2-snapper-plugin-2.04-150300.22.25.1
grub2-systemd-sleep-plugin-2.04-150300.22.25.1
grub2-x86_64-efi-2.04-150300.22.25.1

- SUSE Linux Enterprise Module for Basesystem 15-SP3 (s390x):
grub2-s390x-emu-2.04-150300.22.25.1

- SUSE Linux Enterprise Micro 5.2 (aarch64 s390x x86_64):
grub2-2.04-150300.22.25.1
grub2-debuginfo-2.04-150300.22.25.1
grub2-debugsource-2.04-150300.22.25.1

- SUSE Linux Enterprise Micro 5.2 (noarch):

grub2-arm64-efi-2.04-150300.22.25.1
grub2-i386-pc-2.04-150300.22.25.1
grub2-snapper-plugin-2.04-150300.22.25.1
grub2-x86_64-efi-2.04-150300.22.25.1
grub2-x86_64-xen-2.04-150300.22.25.1

- SUSE Linux Enterprise Micro 5.2 (s390x):

grub2-s390x-emu-2.04-150300.22.25.1

References:

  https://www.suse.com/security/cve/CVE-2022-2601.html
  https://www.suse.com/security/cve/CVE-2022-3775.html
  https://bugzilla.suse.com/1205178
  https://bugzilla.suse.com/1205182