Security update for grub2

SUSE Security Update: Security update for grub2
Announcement ID: SUSE-SU-2022:2064-1
Rating: important
References: #1191184 #1191185 #1191186 #1193282 #1197948 #1198460 #1198493 #1198495 #1198496 #1198581
Cross-References:CVE-2021-3695 CVE-2021-3696 CVE-2021-3697 CVE-2022-28733 CVE-2022-28734 CVE-2022-28735 CVE-2022-28736
Affected Products:
  • 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-SP3
  • SUSE Manager Proxy 4.2
  • SUSE Manager Server 4.2
  • openSUSE Leap 15.3

An update that solves 7 vulnerabilities and has three fixes is now available.

Description:

This update for grub2 fixes the following issues:
Security fixes and hardenings for boothole 3 / boothole 2022 (bsc#1198581)

  • CVE-2021-3695: Fixed that a crafted PNG grayscale image could lead to out-of-bounds write in heap (bsc#1191184)
  • CVE-2021-3696: Fixed that a crafted PNG image could lead to out-of-bound write during huffman table handling (bsc#1191185)
  • CVE-2021-3697: Fixed that a crafted JPEG image could lead to buffer underflow write in the heap (bsc#1191186)
  • CVE-2022-28733: Fixed fragmentation math in net/ip (bsc#1198460)
  • CVE-2022-28734: Fixed an out-of-bound write for split http headers (bsc#1198493)
  • CVE-2022-28735: Fixed some verifier framework changes (bsc#1198495)
  • CVE-2022-28736: Fixed a use-after-free in chainloader command (bsc#1198496)
  • Update SBAT security contact (bsc#1193282)
  • Bump grub's SBAT generation to 2

  • Use boot disks in OpenFirmware, fixing regression caused when the root LV is completely in the boot LUN (bsc#1197948)

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 15.3:
    zypper in -t patch openSUSE-SLE-15.3-2022-2064=1
  • SUSE Linux Enterprise Module for Server Applications 15-SP3:
    zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP3-2022-2064=1
  • SUSE Linux Enterprise Module for SUSE Manager Proxy 4.2:
    zypper in -t patch SUSE-SLE-Module-SUSE-Manager-Proxy-4.2-2022-2064=1
  • SUSE Linux Enterprise Module for Basesystem 15-SP3:
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP3-2022-2064=1
  • SUSE Linux Enterprise Micro 5.2:
    zypper in -t patch SUSE-SUSE-MicroOS-5.2-2022-2064=1

Package List:

  • openSUSE Leap 15.3 (aarch64 ppc64le s390x x86_64):
    • grub2-2.04-150300.22.20.2
    • grub2-branding-upstream-2.04-150300.22.20.2
    • grub2-debuginfo-2.04-150300.22.20.2
  • openSUSE Leap 15.3 (aarch64 s390x x86_64):
    • grub2-debugsource-2.04-150300.22.20.2
  • openSUSE Leap 15.3 (noarch):
    • grub2-arm64-efi-2.04-150300.22.20.2
    • grub2-arm64-efi-debug-2.04-150300.22.20.2
    • grub2-i386-pc-2.04-150300.22.20.2
    • grub2-i386-pc-debug-2.04-150300.22.20.2
    • grub2-powerpc-ieee1275-2.04-150300.22.20.2
    • grub2-powerpc-ieee1275-debug-2.04-150300.22.20.2
    • grub2-snapper-plugin-2.04-150300.22.20.2
    • grub2-systemd-sleep-plugin-2.04-150300.22.20.2
    • grub2-x86_64-efi-2.04-150300.22.20.2
    • grub2-x86_64-efi-debug-2.04-150300.22.20.2
    • grub2-x86_64-xen-2.04-150300.22.20.2
  • openSUSE Leap 15.3 (s390x):
    • grub2-s390x-emu-2.04-150300.22.20.2
    • grub2-s390x-emu-debug-2.04-150300.22.20.2
  • SUSE Linux Enterprise Module for Server Applications 15-SP3 (noarch):
    • grub2-x86_64-xen-2.04-150300.22.20.2
  • SUSE Linux Enterprise Module for SUSE Manager Proxy 4.2 (noarch):
    • grub2-arm64-efi-2.04-150300.22.20.2
  • SUSE Linux Enterprise Module for Basesystem 15-SP3 (aarch64 ppc64le s390x x86_64):
    • grub2-2.04-150300.22.20.2
    • grub2-debuginfo-2.04-150300.22.20.2
  • SUSE Linux Enterprise Module for Basesystem 15-SP3 (aarch64 s390x x86_64):
    • grub2-debugsource-2.04-150300.22.20.2
  • SUSE Linux Enterprise Module for Basesystem 15-SP3 (noarch):
    • grub2-arm64-efi-2.04-150300.22.20.2
    • grub2-i386-pc-2.04-150300.22.20.2
    • grub2-powerpc-ieee1275-2.04-150300.22.20.2
    • grub2-snapper-plugin-2.04-150300.22.20.2
    • grub2-systemd-sleep-plugin-2.04-150300.22.20.2
    • grub2-x86_64-efi-2.04-150300.22.20.2
  • SUSE Linux Enterprise Module for Basesystem 15-SP3 (s390x):
    • grub2-s390x-emu-2.04-150300.22.20.2
  • SUSE Linux Enterprise Micro 5.2 (aarch64 s390x x86_64):
    • grub2-2.04-150300.22.20.2
    • grub2-debuginfo-2.04-150300.22.20.2
    • grub2-debugsource-2.04-150300.22.20.2
  • SUSE Linux Enterprise Micro 5.2 (noarch):
    • grub2-arm64-efi-2.04-150300.22.20.2
    • grub2-i386-pc-2.04-150300.22.20.2
    • grub2-snapper-plugin-2.04-150300.22.20.2
    • grub2-x86_64-efi-2.04-150300.22.20.2
    • grub2-x86_64-xen-2.04-150300.22.20.2
  • SUSE Linux Enterprise Micro 5.2 (s390x):
    • grub2-s390x-emu-2.04-150300.22.20.2

References: