Security update for grub2

Announcement ID:	SUSE-SU-2022:2037-1
Rating:	important
References:	bsc#1191184 bsc#1191185 bsc#1191186 bsc#1193282 bsc#1197948 bsc#1198460 bsc#1198493 bsc#1198496 bsc#1198581
Cross-References:	CVE-2021-3695 CVE-2021-3696 CVE-2021-3697 CVE-2022-28733 CVE-2022-28734 CVE-2022-28736
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:	HPE Helion OpenStack 8 SUSE Linux Enterprise High Performance Computing 12 SP3 SUSE Linux Enterprise Server 12 SP3 SUSE Linux Enterprise Server 12 SP3 BCL 12-SP3 SUSE Linux Enterprise Server 12 SP3 ESPOS 12-SP3 SUSE Linux Enterprise Server 12 SP3 LTSS 12-SP3 SUSE Linux Enterprise Server for SAP Applications 12 SP3 SUSE OpenStack Cloud 8 SUSE OpenStack Cloud Crowbar 8

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:

• HPE Helion OpenStack 8
  zypper in -t patch HPE-Helion-OpenStack-8-2022-2037=1
• SUSE OpenStack Cloud 8
  zypper in -t patch SUSE-OpenStack-Cloud-8-2022-2037=1
• SUSE OpenStack Cloud Crowbar 8
  zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-8-2022-2037=1
• SUSE Linux Enterprise Server for SAP Applications 12 SP3
  zypper in -t patch SUSE-SLE-SAP-12-SP3-2022-2037=1
• SUSE Linux Enterprise Server 12 SP3 BCL 12-SP3
  zypper in -t patch SUSE-SLE-SERVER-12-SP3-BCL-2022-2037=1
• SUSE Linux Enterprise Server 12 SP3 ESPOS 12-SP3
  zypper in -t patch SUSE-SLE-SERVER-12-SP3-ESPOS-2022-2037=1
• SUSE Linux Enterprise Server 12 SP3 LTSS 12-SP3
  zypper in -t patch SUSE-SLE-SERVER-12-SP3-2022-2037=1

Package List:

• HPE Helion OpenStack 8 (x86_64)
  • grub2-debugsource-2.02-137.2
  • grub2-2.02-137.2
  • grub2-x86_64-xen-2.02-137.2
  • grub2-i386-pc-2.02-137.2
  • grub2-debuginfo-2.02-137.2
  • grub2-x86_64-efi-2.02-137.2
• HPE Helion OpenStack 8 (noarch)
  • grub2-snapper-plugin-2.02-137.2
  • grub2-systemd-sleep-plugin-2.02-137.2
• SUSE OpenStack Cloud 8 (x86_64)
  • grub2-debugsource-2.02-137.2
  • grub2-2.02-137.2
  • grub2-x86_64-xen-2.02-137.2
  • grub2-i386-pc-2.02-137.2
  • grub2-debuginfo-2.02-137.2
  • grub2-x86_64-efi-2.02-137.2
• SUSE OpenStack Cloud 8 (noarch)
  • grub2-snapper-plugin-2.02-137.2
  • grub2-systemd-sleep-plugin-2.02-137.2
• SUSE OpenStack Cloud Crowbar 8 (x86_64)
  • grub2-debugsource-2.02-137.2
  • grub2-2.02-137.2
  • grub2-x86_64-xen-2.02-137.2
  • grub2-i386-pc-2.02-137.2
  • grub2-debuginfo-2.02-137.2
  • grub2-x86_64-efi-2.02-137.2
• SUSE OpenStack Cloud Crowbar 8 (noarch)
  • grub2-snapper-plugin-2.02-137.2
  • grub2-systemd-sleep-plugin-2.02-137.2
• SUSE Linux Enterprise Server for SAP Applications 12 SP3 (ppc64le x86_64)
  • grub2-2.02-137.2
  • grub2-debuginfo-2.02-137.2
• SUSE Linux Enterprise Server for SAP Applications 12 SP3 (ppc64le)
  • grub2-powerpc-ieee1275-2.02-137.2
• SUSE Linux Enterprise Server for SAP Applications 12 SP3 (noarch)
  • grub2-snapper-plugin-2.02-137.2
  • grub2-systemd-sleep-plugin-2.02-137.2
• SUSE Linux Enterprise Server for SAP Applications 12 SP3 (x86_64)
  • grub2-x86_64-xen-2.02-137.2
  • grub2-i386-pc-2.02-137.2
  • grub2-debugsource-2.02-137.2
  • grub2-x86_64-efi-2.02-137.2
• SUSE Linux Enterprise Server 12 SP3 BCL 12-SP3 (x86_64)
  • grub2-debugsource-2.02-137.2
  • grub2-2.02-137.2
  • grub2-x86_64-xen-2.02-137.2
  • grub2-i386-pc-2.02-137.2
  • grub2-debuginfo-2.02-137.2
  • grub2-x86_64-efi-2.02-137.2
• SUSE Linux Enterprise Server 12 SP3 BCL 12-SP3 (noarch)
  • grub2-snapper-plugin-2.02-137.2
  • grub2-systemd-sleep-plugin-2.02-137.2
• SUSE Linux Enterprise Server 12 SP3 ESPOS 12-SP3 (aarch64 x86_64)
  • grub2-2.02-137.2
  • grub2-debuginfo-2.02-137.2
  • grub2-debugsource-2.02-137.2
• SUSE Linux Enterprise Server 12 SP3 ESPOS 12-SP3 (aarch64)
  • grub2-arm64-efi-2.02-137.2
• SUSE Linux Enterprise Server 12 SP3 ESPOS 12-SP3 (noarch)
  • grub2-snapper-plugin-2.02-137.2
  • grub2-systemd-sleep-plugin-2.02-137.2
• SUSE Linux Enterprise Server 12 SP3 ESPOS 12-SP3 (x86_64)
  • grub2-x86_64-xen-2.02-137.2
  • grub2-i386-pc-2.02-137.2
  • grub2-x86_64-efi-2.02-137.2
• SUSE Linux Enterprise Server 12 SP3 LTSS 12-SP3 (aarch64 ppc64le s390x x86_64)
  • grub2-2.02-137.2
  • grub2-debuginfo-2.02-137.2
• SUSE Linux Enterprise Server 12 SP3 LTSS 12-SP3 (aarch64)
  • grub2-arm64-efi-2.02-137.2
• SUSE Linux Enterprise Server 12 SP3 LTSS 12-SP3 (aarch64 s390x x86_64)
  • grub2-debugsource-2.02-137.2
• SUSE Linux Enterprise Server 12 SP3 LTSS 12-SP3 (noarch)
  • grub2-snapper-plugin-2.02-137.2
  • grub2-systemd-sleep-plugin-2.02-137.2
• SUSE Linux Enterprise Server 12 SP3 LTSS 12-SP3 (ppc64le)
  • grub2-powerpc-ieee1275-2.02-137.2
• SUSE Linux Enterprise Server 12 SP3 LTSS 12-SP3 (s390x)
  • grub2-s390x-emu-2.02-137.2
• SUSE Linux Enterprise Server 12 SP3 LTSS 12-SP3 (x86_64)
  • grub2-x86_64-xen-2.02-137.2
  • grub2-i386-pc-2.02-137.2
  • grub2-x86_64-efi-2.02-137.2

References:

• https://www.suse.com/security/cve/CVE-2021-3695.html
• https://www.suse.com/security/cve/CVE-2021-3696.html
• https://www.suse.com/security/cve/CVE-2021-3697.html
• https://www.suse.com/security/cve/CVE-2022-28733.html
• https://www.suse.com/security/cve/CVE-2022-28734.html
• https://www.suse.com/security/cve/CVE-2022-28736.html
• https://bugzilla.suse.com/show_bug.cgi?id=1191184
• https://bugzilla.suse.com/show_bug.cgi?id=1191185
• https://bugzilla.suse.com/show_bug.cgi?id=1191186
• https://bugzilla.suse.com/show_bug.cgi?id=1193282
• https://bugzilla.suse.com/show_bug.cgi?id=1197948
• https://bugzilla.suse.com/show_bug.cgi?id=1198460
• https://bugzilla.suse.com/show_bug.cgi?id=1198493
• https://bugzilla.suse.com/show_bug.cgi?id=1198496
• https://bugzilla.suse.com/show_bug.cgi?id=1198581