Security update for grub2

Announcement ID: SUSE-SU-2022:2038-1
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2021-3695 ( SUSE ): 7.5 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
  • CVE-2021-3695 ( NVD ): 4.5 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
  • CVE-2021-3696 ( SUSE ): 5.0 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:L
  • CVE-2021-3696 ( NVD ): 4.5 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
  • CVE-2021-3697 ( SUSE ): 7.5 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
  • CVE-2021-3697 ( NVD ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2022-28733 ( SUSE ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  • CVE-2022-28733 ( NVD ): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2022-28734 ( SUSE ): 7.0 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H
  • CVE-2022-28734 ( NVD ): 7.0 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H
  • CVE-2022-28736 ( SUSE ): 8.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2022-28736 ( NVD ): 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 High Performance Computing 12 SP4
  • SUSE Linux Enterprise High Performance Computing 12 SP5
  • SUSE Linux Enterprise Server 12 SP4
  • SUSE Linux Enterprise Server 12 SP4 ESPOS 12-SP4
  • SUSE Linux Enterprise Server 12 SP4 LTSS 12-SP4
  • SUSE Linux Enterprise Server 12 SP5
  • SUSE Linux Enterprise Server for SAP Applications 12 SP4
  • SUSE Linux Enterprise Server for SAP Applications 12 SP5
  • SUSE OpenStack Cloud 9
  • SUSE OpenStack Cloud Crowbar 9

An update that solves six vulnerabilities and has three security fixes can now be installed.

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-2022-28736: 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 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 OpenStack Cloud 9
    zypper in -t patch SUSE-OpenStack-Cloud-9-2022-2038=1
  • SUSE OpenStack Cloud Crowbar 9
    zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-9-2022-2038=1
  • SUSE Linux Enterprise Server for SAP Applications 12 SP4
    zypper in -t patch SUSE-SLE-SAP-12-SP4-2022-2038=1
  • SUSE Linux Enterprise Server 12 SP4 ESPOS 12-SP4
    zypper in -t patch SUSE-SLE-SERVER-12-SP4-ESPOS-2022-2038=1
  • SUSE Linux Enterprise Server 12 SP4 LTSS 12-SP4
    zypper in -t patch SUSE-SLE-SERVER-12-SP4-LTSS-2022-2038=1
  • SUSE Linux Enterprise High Performance Computing 12 SP5
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-2022-2038=1
  • SUSE Linux Enterprise Server 12 SP5
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-2022-2038=1
  • SUSE Linux Enterprise Server for SAP Applications 12 SP5
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-2022-2038=1

Package List:

  • SUSE OpenStack Cloud 9 (x86_64)
    • grub2-i386-pc-2.02-143.2
    • grub2-2.02-143.2
    • grub2-x86_64-efi-2.02-143.2
    • grub2-debugsource-2.02-143.2
    • grub2-debuginfo-2.02-143.2
  • SUSE OpenStack Cloud 9 (noarch)
    • grub2-systemd-sleep-plugin-2.02-143.2
    • grub2-snapper-plugin-2.02-143.2
    • grub2-x86_64-xen-2.02-143.2
  • SUSE OpenStack Cloud Crowbar 9 (x86_64)
    • grub2-i386-pc-2.02-143.2
    • grub2-2.02-143.2
    • grub2-x86_64-efi-2.02-143.2
    • grub2-debugsource-2.02-143.2
    • grub2-debuginfo-2.02-143.2
  • SUSE OpenStack Cloud Crowbar 9 (noarch)
    • grub2-systemd-sleep-plugin-2.02-143.2
    • grub2-snapper-plugin-2.02-143.2
    • grub2-x86_64-xen-2.02-143.2
  • SUSE Linux Enterprise Server for SAP Applications 12 SP4 (ppc64le x86_64)
    • grub2-2.02-143.2
    • grub2-debuginfo-2.02-143.2
  • SUSE Linux Enterprise Server for SAP Applications 12 SP4 (ppc64le)
    • grub2-powerpc-ieee1275-2.02-143.2
  • SUSE Linux Enterprise Server for SAP Applications 12 SP4 (noarch)
    • grub2-systemd-sleep-plugin-2.02-143.2
    • grub2-snapper-plugin-2.02-143.2
    • grub2-x86_64-xen-2.02-143.2
  • SUSE Linux Enterprise Server for SAP Applications 12 SP4 (x86_64)
    • grub2-x86_64-efi-2.02-143.2
    • grub2-debugsource-2.02-143.2
    • grub2-i386-pc-2.02-143.2
  • SUSE Linux Enterprise Server 12 SP4 ESPOS 12-SP4 (aarch64 x86_64)
    • grub2-debugsource-2.02-143.2
    • grub2-2.02-143.2
    • grub2-debuginfo-2.02-143.2
  • SUSE Linux Enterprise Server 12 SP4 ESPOS 12-SP4 (aarch64)
    • grub2-arm64-efi-2.02-143.2
  • SUSE Linux Enterprise Server 12 SP4 ESPOS 12-SP4 (noarch)
    • grub2-systemd-sleep-plugin-2.02-143.2
    • grub2-snapper-plugin-2.02-143.2
    • grub2-x86_64-xen-2.02-143.2
  • SUSE Linux Enterprise Server 12 SP4 ESPOS 12-SP4 (x86_64)
    • grub2-x86_64-efi-2.02-143.2
    • grub2-i386-pc-2.02-143.2
  • SUSE Linux Enterprise Server 12 SP4 LTSS 12-SP4 (aarch64 ppc64le s390x x86_64)
    • grub2-2.02-143.2
    • grub2-debuginfo-2.02-143.2
  • SUSE Linux Enterprise Server 12 SP4 LTSS 12-SP4 (aarch64)
    • grub2-arm64-efi-2.02-143.2
  • SUSE Linux Enterprise Server 12 SP4 LTSS 12-SP4 (aarch64 s390x x86_64)
    • grub2-debugsource-2.02-143.2
  • SUSE Linux Enterprise Server 12 SP4 LTSS 12-SP4 (noarch)
    • grub2-systemd-sleep-plugin-2.02-143.2
    • grub2-snapper-plugin-2.02-143.2
    • grub2-x86_64-xen-2.02-143.2
  • SUSE Linux Enterprise Server 12 SP4 LTSS 12-SP4 (ppc64le)
    • grub2-powerpc-ieee1275-2.02-143.2
  • SUSE Linux Enterprise Server 12 SP4 LTSS 12-SP4 (s390x)
    • grub2-s390x-emu-2.02-143.2
  • SUSE Linux Enterprise Server 12 SP4 LTSS 12-SP4 (x86_64)
    • grub2-x86_64-efi-2.02-143.2
    • grub2-i386-pc-2.02-143.2
  • SUSE Linux Enterprise High Performance Computing 12 SP5 (aarch64 x86_64)
    • grub2-debugsource-2.02-143.2
    • grub2-2.02-143.2
    • grub2-debuginfo-2.02-143.2
  • SUSE Linux Enterprise High Performance Computing 12 SP5 (aarch64)
    • grub2-arm64-efi-2.02-143.2
  • SUSE Linux Enterprise High Performance Computing 12 SP5 (noarch)
    • grub2-systemd-sleep-plugin-2.02-143.2
    • grub2-snapper-plugin-2.02-143.2
    • grub2-x86_64-xen-2.02-143.2
  • SUSE Linux Enterprise High Performance Computing 12 SP5 (x86_64)
    • grub2-x86_64-efi-2.02-143.2
    • grub2-i386-pc-2.02-143.2
  • SUSE Linux Enterprise Server 12 SP5 (aarch64 ppc64le s390x x86_64)
    • grub2-2.02-143.2
    • grub2-debuginfo-2.02-143.2
  • SUSE Linux Enterprise Server 12 SP5 (aarch64)
    • grub2-arm64-efi-2.02-143.2
  • SUSE Linux Enterprise Server 12 SP5 (aarch64 s390x x86_64)
    • grub2-debugsource-2.02-143.2
  • SUSE Linux Enterprise Server 12 SP5 (noarch)
    • grub2-systemd-sleep-plugin-2.02-143.2
    • grub2-snapper-plugin-2.02-143.2
    • grub2-x86_64-xen-2.02-143.2
  • SUSE Linux Enterprise Server 12 SP5 (ppc64le)
    • grub2-powerpc-ieee1275-2.02-143.2
  • SUSE Linux Enterprise Server 12 SP5 (s390x)
    • grub2-s390x-emu-2.02-143.2
  • SUSE Linux Enterprise Server 12 SP5 (x86_64)
    • grub2-x86_64-efi-2.02-143.2
    • grub2-i386-pc-2.02-143.2
  • SUSE Linux Enterprise Server for SAP Applications 12 SP5 (ppc64le x86_64)
    • grub2-2.02-143.2
    • grub2-debuginfo-2.02-143.2
  • SUSE Linux Enterprise Server for SAP Applications 12 SP5 (ppc64le)
    • grub2-powerpc-ieee1275-2.02-143.2
  • SUSE Linux Enterprise Server for SAP Applications 12 SP5 (noarch)
    • grub2-systemd-sleep-plugin-2.02-143.2
    • grub2-snapper-plugin-2.02-143.2
    • grub2-x86_64-xen-2.02-143.2
  • SUSE Linux Enterprise Server for SAP Applications 12 SP5 (x86_64)
    • grub2-x86_64-efi-2.02-143.2
    • grub2-debugsource-2.02-143.2
    • grub2-i386-pc-2.02-143.2

References: