Security update for grub2

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
Affected Products:
  • SUSE Linux Enterprise Server 12-SP3-BCL

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: