SUSE-SU-2022:4143-1: important: Security update for grub2

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

   SUSE Security Update: Security update for grub2
______________________________________________________________________________

Announcement ID:    SUSE-SU-2022:4143-1
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 Linux Enterprise Server 12-SP3-BCL
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   An update that fixes two vulnerabilities is now available.

Description:

   This update for grub2 fixes the following issues:

   Security Fixes:

   - 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:

   - SUSE Linux Enterprise Server 12-SP3-BCL:

      zypper in -t patch SUSE-SLE-SERVER-12-SP3-BCL-2022-4143=1



Package List:

   - SUSE Linux Enterprise Server 12-SP3-BCL (x86_64):

      grub2-2.02-142.1
      grub2-debuginfo-2.02-142.1
      grub2-debugsource-2.02-142.1
      grub2-i386-pc-2.02-142.1
      grub2-x86_64-efi-2.02-142.1
      grub2-x86_64-xen-2.02-142.1

   - SUSE Linux Enterprise Server 12-SP3-BCL (noarch):

      grub2-snapper-plugin-2.02-142.1
      grub2-systemd-sleep-plugin-2.02-142.1


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