Security update for grub2

Announcement ID:	SUSE-SU-2025:01961-1
Release Date:	2025-06-16T10:03:23Z
Rating:	important
References:	bsc#1215935 bsc#1215936 bsc#1233606 bsc#1233608 bsc#1233609 bsc#1233610 bsc#1233612 bsc#1233613 bsc#1233614 bsc#1233615 bsc#1233616 bsc#1233617 bsc#1234958 bsc#1236316 bsc#1236317 bsc#1237002 bsc#1237006 bsc#1237008 bsc#1237009 bsc#1237010 bsc#1237011 bsc#1237012 bsc#1237013 bsc#1237014
Cross-References:	CVE-2023-4692 CVE-2023-4693 CVE-2024-45774 CVE-2024-45775 CVE-2024-45776 CVE-2024-45777 CVE-2024-45778 CVE-2024-45779 CVE-2024-45780 CVE-2024-45781 CVE-2024-45782 CVE-2024-45783 CVE-2024-56737 CVE-2025-0622 CVE-2025-0624 CVE-2025-0677 CVE-2025-0678 CVE-2025-0684 CVE-2025-0685 CVE-2025-0686 CVE-2025-0689 CVE-2025-0690 CVE-2025-1118 CVE-2025-1125
CVSS scores:	CVE-2023-4692 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2023-4692 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2023-4692 ( NVD ): 7.5 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H CVE-2023-4693 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N CVE-2023-4693 ( NVD ): 4.6 CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVE-2023-4693 ( NVD ): 5.3 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N CVE-2024-45774 ( SUSE ): 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H CVE-2024-45774 ( NVD ): 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H CVE-2024-45775 ( SUSE ): 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H CVE-2024-45775 ( NVD ): 5.2 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:H CVE-2024-45776 ( SUSE ): 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H CVE-2024-45776 ( NVD ): 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H CVE-2024-45777 ( SUSE ): 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H CVE-2024-45777 ( NVD ): 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H CVE-2024-45778 ( SUSE ): 3.9 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L CVE-2024-45778 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVE-2024-45778 ( NVD ): 4.1 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H CVE-2024-45779 ( SUSE ): 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H CVE-2024-45779 ( NVD ): 6.0 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H CVE-2024-45779 ( NVD ): 6.0 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H CVE-2024-45780 ( SUSE ): 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H CVE-2024-45780 ( NVD ): 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H CVE-2024-45781 ( SUSE ): 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H CVE-2024-45781 ( NVD ): 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H CVE-2024-45782 ( SUSE ): 6.7 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H CVE-2024-45782 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2024-45782 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2024-45783 ( SUSE ): 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H CVE-2024-45783 ( NVD ): 4.4 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H CVE-2024-56737 ( SUSE ): 8.4 CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N CVE-2024-56737 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVE-2024-56737 ( NVD ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVE-2025-0622 ( SUSE ): 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H CVE-2025-0622 ( NVD ): 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H CVE-2025-0624 ( SUSE ): 7.6 CVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H CVE-2025-0624 ( NVD ): 7.6 CVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H CVE-2025-0677 ( SUSE ): 8.9 CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H CVE-2025-0677 ( SUSE ): 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H CVE-2025-0677 ( NVD ): 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H CVE-2025-0678 ( SUSE ): 8.9 CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H CVE-2025-0678 ( SUSE ): 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H CVE-2025-0678 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2025-0678 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVE-2025-0684 ( SUSE ): 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H CVE-2025-0684 ( NVD ): 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H CVE-2025-0685 ( SUSE ): 8.9 CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H CVE-2025-0685 ( SUSE ): 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H CVE-2025-0685 ( NVD ): 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H CVE-2025-0686 ( SUSE ): 8.9 CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H CVE-2025-0686 ( SUSE ): 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H CVE-2025-0686 ( NVD ): 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H CVE-2025-0689 ( SUSE ): 8.9 CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H CVE-2025-0689 ( SUSE ): 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H CVE-2025-0689 ( NVD ): 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H CVE-2025-0690 ( SUSE ): 7.3 CVSS:4.0/AV:P/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H CVE-2025-0690 ( SUSE ): 6.1 CVSS:3.1/AV:P/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H CVE-2025-0690 ( NVD ): 6.1 CVSS:3.1/AV:P/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H CVE-2025-1118 ( SUSE ): 6.7 CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N CVE-2025-1118 ( SUSE ): 4.4 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N CVE-2025-1118 ( NVD ): 4.4 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N CVE-2025-1125 ( SUSE ): 8.7 CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H CVE-2025-1125 ( SUSE ): 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H CVE-2025-1125 ( 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 Micro 5.1

An update that solves 24 vulnerabilities can now be installed.

Description:

This update for grub2 fixes the following issues:

• CVE-2023-4692: nfs: out-of-bounds write at fs/ntfs.c may lead to unsigned code execution (bsc#1215935).
• CVE-2023-4693: nfs: out-of-bounds read at fs/ntfs.c (bsc#1215936).
• CVE-2024-45774: heap overflows in JPEG parser (bsc#1233609).
• CVE-2024-45775: missing NULL check in extcmd parser (bsc#1233610).
• CVE-2024-45776: overflow in .MO file (gettext) handling (bsc#1233612).
• CVE-2024-45777: integer overflow in gettext (bsc#1233613).
• CVE-2024-45778: bfs filesystem not fuzzing stable (bsc#1233606).
• CVE-2024-45779: bfs: heap overflow (bsc#1233608).
• CVE-2024-45780: overflow in tar/cpio (bsc#1233614).
• CVE-2024-45781: ufs: strcpy overflow (bsc#1233617).
• CVE-2024-45782: hfs: strcpy overflow (bsc#1233615).
• CVE-2024-45783: hfsplus: refcount overflow (bsc#1233616).
• CVE-2024-56737: heap-based buffer overflow in fs/hfs.c via crafted sblock data in an HFS filesystem (bsc#1234958).
• CVE-2025-0622: command/gpg: Use-after-free due to hooks not being removed on module unload (bsc#1236317).
• CVE-2025-0624: net: Out-of-bounds write in grub_net_search_config_file() (bsc#1236316).
• CVE-2025-0677: ufs: Integer overflow may lead to heap based out-of-bounds write when handling symlinks (bsc#1237002).
• CVE-2025-0678: squash4: Integer overflow may lead to heap based out-of-bounds write when reading data (bsc#1237006).
• CVE-2025-0684: reiserfs: Integer overflow when handling symlinks may lead to heap based out-of-bounds write when reading data (bsc#1237008).
• CVE-2025-0685: jfs: Integer overflow when handling symlinks may lead to heap based out-of-bounds write when reading data (bsc#1237009).
• CVE-2025-0686: romfs: Integer overflow when handling symlinks may lead to heap based out-of-bounds write when reading data (bsc#1237010).
• CVE-2025-0689: udf: Heap based buffer overflow in grub_udf_read_block() may lead to arbitrary code execution (bsc#1237011).
• CVE-2025-0690: read: Integer overflow may lead to out-of-bounds write (bsc#1237012).
• CVE-2025-1118: commands/dump: The dump command is not in lockdown when secure boot is enabled (bsc#1237013).
• CVE-2025-1125: fs/hfs: Interger overflow may lead to heap based out-of-bounds write (bsc#1237014).

Other bugfixes:

• Bump upstream SBAT generation to 5

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 Micro 5.1
  zypper in -t patch SUSE-SUSE-MicroOS-5.1-2025-1961=1

Package List:

• SUSE Linux Enterprise Micro 5.1 (aarch64 s390x x86_64)
  • grub2-debugsource-2.04-150300.3.11.1
  • grub2-debuginfo-2.04-150300.3.11.1
  • grub2-2.04-150300.3.11.1
• SUSE Linux Enterprise Micro 5.1 (noarch)
  • grub2-x86_64-xen-2.04-150300.3.11.1
  • grub2-i386-pc-2.04-150300.3.11.1
  • grub2-arm64-efi-2.04-150300.3.11.1
  • grub2-x86_64-efi-2.04-150300.3.11.1
  • grub2-snapper-plugin-2.04-150300.3.11.1
• SUSE Linux Enterprise Micro 5.1 (s390x)
  • grub2-s390x-emu-2.04-150300.3.11.1

References:

• https://www.suse.com/security/cve/CVE-2023-4692.html
• https://www.suse.com/security/cve/CVE-2023-4693.html
• https://www.suse.com/security/cve/CVE-2024-45774.html
• https://www.suse.com/security/cve/CVE-2024-45775.html
• https://www.suse.com/security/cve/CVE-2024-45776.html
• https://www.suse.com/security/cve/CVE-2024-45777.html
• https://www.suse.com/security/cve/CVE-2024-45778.html
• https://www.suse.com/security/cve/CVE-2024-45779.html
• https://www.suse.com/security/cve/CVE-2024-45780.html
• https://www.suse.com/security/cve/CVE-2024-45781.html
• https://www.suse.com/security/cve/CVE-2024-45782.html
• https://www.suse.com/security/cve/CVE-2024-45783.html
• https://www.suse.com/security/cve/CVE-2024-56737.html
• https://www.suse.com/security/cve/CVE-2025-0622.html
• https://www.suse.com/security/cve/CVE-2025-0624.html
• https://www.suse.com/security/cve/CVE-2025-0677.html
• https://www.suse.com/security/cve/CVE-2025-0678.html
• https://www.suse.com/security/cve/CVE-2025-0684.html
• https://www.suse.com/security/cve/CVE-2025-0685.html
• https://www.suse.com/security/cve/CVE-2025-0686.html
• https://www.suse.com/security/cve/CVE-2025-0689.html
• https://www.suse.com/security/cve/CVE-2025-0690.html
• https://www.suse.com/security/cve/CVE-2025-1118.html
• https://www.suse.com/security/cve/CVE-2025-1125.html
• https://bugzilla.suse.com/show_bug.cgi?id=1215935
• https://bugzilla.suse.com/show_bug.cgi?id=1215936
• https://bugzilla.suse.com/show_bug.cgi?id=1233606
• https://bugzilla.suse.com/show_bug.cgi?id=1233608
• https://bugzilla.suse.com/show_bug.cgi?id=1233609
• https://bugzilla.suse.com/show_bug.cgi?id=1233610
• https://bugzilla.suse.com/show_bug.cgi?id=1233612
• https://bugzilla.suse.com/show_bug.cgi?id=1233613
• https://bugzilla.suse.com/show_bug.cgi?id=1233614
• https://bugzilla.suse.com/show_bug.cgi?id=1233615
• https://bugzilla.suse.com/show_bug.cgi?id=1233616
• https://bugzilla.suse.com/show_bug.cgi?id=1233617
• https://bugzilla.suse.com/show_bug.cgi?id=1234958
• https://bugzilla.suse.com/show_bug.cgi?id=1236316
• https://bugzilla.suse.com/show_bug.cgi?id=1236317
• https://bugzilla.suse.com/show_bug.cgi?id=1237002
• https://bugzilla.suse.com/show_bug.cgi?id=1237006
• https://bugzilla.suse.com/show_bug.cgi?id=1237008
• https://bugzilla.suse.com/show_bug.cgi?id=1237009
• https://bugzilla.suse.com/show_bug.cgi?id=1237010
• https://bugzilla.suse.com/show_bug.cgi?id=1237011
• https://bugzilla.suse.com/show_bug.cgi?id=1237012
• https://bugzilla.suse.com/show_bug.cgi?id=1237013
• https://bugzilla.suse.com/show_bug.cgi?id=1237014