Security update for grub2

Announcement ID:	SUSE-SU-2022:2074-1
Rating:	important
References:	bsc#1191184 bsc#1191185 bsc#1191186 bsc#1193282 bsc#1197948 bsc#1198460 bsc#1198493 bsc#1198495 bsc#1198496 bsc#1198581
Cross-References:	CVE-2021-3695 CVE-2021-3696 CVE-2021-3697 CVE-2022-28733 CVE-2022-28734 CVE-2022-28735 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-2022-28735 ( SUSE ): 8.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2022-28735 ( NVD ): 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/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 Enterprise Storage 7 SUSE Linux Enterprise High Performance Computing 15 SP2 SUSE Linux Enterprise High Performance Computing 15 SP2 ESPOS 15-SP2 SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS 15-SP2 SUSE Linux Enterprise Server 15 SP2 SUSE Linux Enterprise Server 15 SP2 Business Critical Linux 15-SP2 SUSE Linux Enterprise Server 15 SP2 LTSS 15-SP2 SUSE Linux Enterprise Server for SAP Applications 15 SP2 SUSE Manager Proxy 4.1 SUSE Manager Retail Branch Server 4.1 SUSE Manager Server 4.1

An update that solves seven 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-2022-28735: 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 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 High Performance Computing 15 SP2 ESPOS 15-SP2
  zypper in -t patch SUSE-SLE-Product-HPC-15-SP2-ESPOS-2022-2074=1
• SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS 15-SP2
  zypper in -t patch SUSE-SLE-Product-HPC-15-SP2-LTSS-2022-2074=1
• SUSE Linux Enterprise Server 15 SP2 Business Critical Linux 15-SP2
  zypper in -t patch SUSE-SLE-Product-SLES-15-SP2-BCL-2022-2074=1
• SUSE Linux Enterprise Server 15 SP2 LTSS 15-SP2
  zypper in -t patch SUSE-SLE-Product-SLES-15-SP2-LTSS-2022-2074=1
• SUSE Linux Enterprise Server for SAP Applications 15 SP2
  zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP2-2022-2074=1
• SUSE Manager Proxy 4.1
  zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Proxy-4.1-2022-2074=1
• SUSE Manager Retail Branch Server 4.1
  zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Retail-Branch-Server-4.1-2022-2074=1
• SUSE Manager Server 4.1
  zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Server-4.1-2022-2074=1
• SUSE Enterprise Storage 7
  zypper in -t patch SUSE-Storage-7-2022-2074=1

Package List:

• SUSE Linux Enterprise High Performance Computing 15 SP2 ESPOS 15-SP2 (aarch64 x86_64)
  • grub2-debugsource-2.04-150200.9.63.2
  • grub2-2.04-150200.9.63.2
  • grub2-debuginfo-2.04-150200.9.63.2
• SUSE Linux Enterprise High Performance Computing 15 SP2 ESPOS 15-SP2 (noarch)
  • grub2-snapper-plugin-2.04-150200.9.63.2
  • grub2-x86_64-efi-2.04-150200.9.63.2
  • grub2-x86_64-xen-2.04-150200.9.63.2
  • grub2-systemd-sleep-plugin-2.04-150200.9.63.2
  • grub2-i386-pc-2.04-150200.9.63.2
  • grub2-arm64-efi-2.04-150200.9.63.2
• SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS 15-SP2 (aarch64 x86_64)
  • grub2-debugsource-2.04-150200.9.63.2
  • grub2-2.04-150200.9.63.2
  • grub2-debuginfo-2.04-150200.9.63.2
• SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS 15-SP2 (noarch)
  • grub2-snapper-plugin-2.04-150200.9.63.2
  • grub2-x86_64-efi-2.04-150200.9.63.2
  • grub2-x86_64-xen-2.04-150200.9.63.2
  • grub2-systemd-sleep-plugin-2.04-150200.9.63.2
  • grub2-i386-pc-2.04-150200.9.63.2
  • grub2-arm64-efi-2.04-150200.9.63.2
• SUSE Linux Enterprise Server 15 SP2 Business Critical Linux 15-SP2 (x86_64)
  • grub2-debugsource-2.04-150200.9.63.2
  • grub2-2.04-150200.9.63.2
  • grub2-debuginfo-2.04-150200.9.63.2
• SUSE Linux Enterprise Server 15 SP2 Business Critical Linux 15-SP2 (noarch)
  • grub2-snapper-plugin-2.04-150200.9.63.2
  • grub2-x86_64-efi-2.04-150200.9.63.2
  • grub2-x86_64-xen-2.04-150200.9.63.2
  • grub2-systemd-sleep-plugin-2.04-150200.9.63.2
  • grub2-i386-pc-2.04-150200.9.63.2
  • grub2-arm64-efi-2.04-150200.9.63.2
• SUSE Linux Enterprise Server 15 SP2 LTSS 15-SP2 (aarch64 ppc64le s390x x86_64)
  • grub2-2.04-150200.9.63.2
  • grub2-debuginfo-2.04-150200.9.63.2
• SUSE Linux Enterprise Server 15 SP2 LTSS 15-SP2 (noarch)
  • grub2-snapper-plugin-2.04-150200.9.63.2
  • grub2-x86_64-efi-2.04-150200.9.63.2
  • grub2-powerpc-ieee1275-2.04-150200.9.63.2
  • grub2-x86_64-xen-2.04-150200.9.63.2
  • grub2-systemd-sleep-plugin-2.04-150200.9.63.2
  • grub2-i386-pc-2.04-150200.9.63.2
  • grub2-arm64-efi-2.04-150200.9.63.2
• SUSE Linux Enterprise Server 15 SP2 LTSS 15-SP2 (aarch64 s390x x86_64)
  • grub2-debugsource-2.04-150200.9.63.2
• SUSE Linux Enterprise Server 15 SP2 LTSS 15-SP2 (s390x)
  • grub2-s390x-emu-2.04-150200.9.63.2
• SUSE Linux Enterprise Server for SAP Applications 15 SP2 (ppc64le x86_64)
  • grub2-2.04-150200.9.63.2
  • grub2-debuginfo-2.04-150200.9.63.2
• SUSE Linux Enterprise Server for SAP Applications 15 SP2 (noarch)
  • grub2-snapper-plugin-2.04-150200.9.63.2
  • grub2-x86_64-efi-2.04-150200.9.63.2
  • grub2-powerpc-ieee1275-2.04-150200.9.63.2
  • grub2-x86_64-xen-2.04-150200.9.63.2
  • grub2-systemd-sleep-plugin-2.04-150200.9.63.2
  • grub2-i386-pc-2.04-150200.9.63.2
  • grub2-arm64-efi-2.04-150200.9.63.2
• SUSE Linux Enterprise Server for SAP Applications 15 SP2 (x86_64)
  • grub2-debugsource-2.04-150200.9.63.2
• SUSE Manager Proxy 4.1 (x86_64)
  • grub2-debugsource-2.04-150200.9.63.2
  • grub2-2.04-150200.9.63.2
  • grub2-debuginfo-2.04-150200.9.63.2
• SUSE Manager Proxy 4.1 (noarch)
  • grub2-snapper-plugin-2.04-150200.9.63.2
  • grub2-x86_64-efi-2.04-150200.9.63.2
  • grub2-x86_64-xen-2.04-150200.9.63.2
  • grub2-systemd-sleep-plugin-2.04-150200.9.63.2
  • grub2-i386-pc-2.04-150200.9.63.2
  • grub2-arm64-efi-2.04-150200.9.63.2
• SUSE Manager Retail Branch Server 4.1 (x86_64)
  • grub2-debugsource-2.04-150200.9.63.2
  • grub2-2.04-150200.9.63.2
  • grub2-debuginfo-2.04-150200.9.63.2
• SUSE Manager Retail Branch Server 4.1 (noarch)
  • grub2-snapper-plugin-2.04-150200.9.63.2
  • grub2-x86_64-efi-2.04-150200.9.63.2
  • grub2-x86_64-xen-2.04-150200.9.63.2
  • grub2-systemd-sleep-plugin-2.04-150200.9.63.2
  • grub2-i386-pc-2.04-150200.9.63.2
  • grub2-arm64-efi-2.04-150200.9.63.2
• SUSE Manager Server 4.1 (ppc64le s390x x86_64)
  • grub2-2.04-150200.9.63.2
  • grub2-debuginfo-2.04-150200.9.63.2
• SUSE Manager Server 4.1 (noarch)
  • grub2-snapper-plugin-2.04-150200.9.63.2
  • grub2-x86_64-efi-2.04-150200.9.63.2
  • grub2-powerpc-ieee1275-2.04-150200.9.63.2
  • grub2-x86_64-xen-2.04-150200.9.63.2
  • grub2-systemd-sleep-plugin-2.04-150200.9.63.2
  • grub2-i386-pc-2.04-150200.9.63.2
  • grub2-arm64-efi-2.04-150200.9.63.2
• SUSE Manager Server 4.1 (s390x x86_64)
  • grub2-debugsource-2.04-150200.9.63.2
• SUSE Manager Server 4.1 (s390x)
  • grub2-s390x-emu-2.04-150200.9.63.2
• SUSE Enterprise Storage 7 (aarch64 x86_64)
  • grub2-debugsource-2.04-150200.9.63.2
  • grub2-2.04-150200.9.63.2
  • grub2-debuginfo-2.04-150200.9.63.2
• SUSE Enterprise Storage 7 (noarch)
  • grub2-snapper-plugin-2.04-150200.9.63.2
  • grub2-x86_64-efi-2.04-150200.9.63.2
  • grub2-x86_64-xen-2.04-150200.9.63.2
  • grub2-systemd-sleep-plugin-2.04-150200.9.63.2
  • grub2-i386-pc-2.04-150200.9.63.2
  • grub2-arm64-efi-2.04-150200.9.63.2

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-2022-28735.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=1198495
• https://bugzilla.suse.com/show_bug.cgi?id=1198496
• https://bugzilla.suse.com/show_bug.cgi?id=1198581