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 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-2021-3696 (SUSE): 5 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/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-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-2022-28735 (SUSE): 8.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVE-2022-28736 (SUSE): 8.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H 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: 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/1191184 https://bugzilla.suse.com/1191185 https://bugzilla.suse.com/1191186 https://bugzilla.suse.com/1193282 https://bugzilla.suse.com/1197948 https://bugzilla.suse.com/1198460 https://bugzilla.suse.com/1198493 https://bugzilla.suse.com/1198495 https://bugzilla.suse.com/1198496 https://bugzilla.suse.com/1198581