SUSE-SU-2025:01961-1: important: Security update for grub2

SLE-SECURITY-UPDATES null at suse.de
Mon Jun 16 12:30:28 UTC 2025



# 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

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