SUSE-SU-2025:4143-1: moderate: Security update for grub2
SLE-SECURITY-UPDATES
null at suse.de
Thu Nov 20 08:30:09 UTC 2025
# Security update for grub2
Announcement ID: SUSE-SU-2025:4143-1
Release Date: 2025-11-20T07:54:04Z
Rating: moderate
References:
* bsc#1252931
* bsc#1252932
* bsc#1252933
* bsc#1252934
* bsc#1252935
Cross-References:
* CVE-2025-54771
* CVE-2025-61661
* CVE-2025-61662
* CVE-2025-61663
* CVE-2025-61664
CVSS scores:
* CVE-2025-54771 ( SUSE ): 2.1
CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
* CVE-2025-54771 ( SUSE ): 4.9 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
* CVE-2025-54771 ( NVD ): 4.9 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
* CVE-2025-61661 ( SUSE ): 4.3
CVSS:4.0/AV:P/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N
* CVE-2025-61661 ( SUSE ): 4.8 CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H
* CVE-2025-61661 ( NVD ): 4.8 CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H
* CVE-2025-61662 ( SUSE ): 2.1
CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
* CVE-2025-61662 ( SUSE ): 4.9 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
* CVE-2025-61662 ( NVD ): 4.9 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
* CVE-2025-61663 ( SUSE ): 2.1
CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
* CVE-2025-61663 ( SUSE ): 4.9 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
* CVE-2025-61663 ( NVD ): 4.9 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
* CVE-2025-61664 ( SUSE ): 2.1
CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
* CVE-2025-61664 ( SUSE ): 4.9 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
* CVE-2025-61664 ( NVD ): 4.9 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Affected Products:
* openSUSE Leap 15.3
* SUSE Linux Enterprise Micro 5.2
* SUSE Linux Enterprise Micro for Rancher 5.2
An update that solves five vulnerabilities can now be installed.
## Description:
This update for grub2 fixes the following issues:
* CVE-2025-54771: Fixed rub_file_close() does not properly controls the fs
refcount (bsc#1252931)
* CVE-2025-61661: Fixed out-of-bounds write in grub_usb_get_string() function
(bsc#1252932)
* CVE-2025-61662: Fixed missing unregister call for gettext command may lead
to use-after-free (bsc#1252933)
* CVE-2025-61663: Fixed missing unregister call for normal commands may lead
to use-after-free (bsc#1252934)
* CVE-2025-61664: Fixed missing unregister call for normal_exit command may
lead to use-after-free (bsc#1252935)
Other fixes:
* Bump upstream SBAT generation to 6
## 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:
* openSUSE Leap 15.3
zypper in -t patch SUSE-2025-4143=1
* SUSE Linux Enterprise Micro 5.2
zypper in -t patch SUSE-SUSE-MicroOS-5.2-2025-4143=1
* SUSE Linux Enterprise Micro for Rancher 5.2
zypper in -t patch SUSE-SUSE-MicroOS-5.2-2025-4143=1
## Package List:
* openSUSE Leap 15.3 (aarch64 ppc64le s390x x86_64 i586)
* grub2-2.04-150300.22.61.1
* grub2-branding-upstream-2.04-150300.22.61.1
* grub2-debuginfo-2.04-150300.22.61.1
* openSUSE Leap 15.3 (aarch64 s390x x86_64 i586)
* grub2-debugsource-2.04-150300.22.61.1
* openSUSE Leap 15.3 (noarch)
* grub2-systemd-sleep-plugin-2.04-150300.22.61.1
* grub2-i386-xen-2.04-150300.22.61.1
* grub2-powerpc-ieee1275-debug-2.04-150300.22.61.1
* grub2-i386-pc-2.04-150300.22.61.1
* grub2-snapper-plugin-2.04-150300.22.61.1
* grub2-x86_64-efi-debug-2.04-150300.22.61.1
* grub2-i386-efi-debug-2.04-150300.22.61.1
* grub2-i386-pc-extras-2.04-150300.22.61.1
* grub2-i386-efi-extras-2.04-150300.22.61.1
* grub2-powerpc-ieee1275-2.04-150300.22.61.1
* grub2-s390x-emu-extras-2.04-150300.22.61.1
* grub2-i386-efi-2.04-150300.22.61.1
* grub2-x86_64-efi-2.04-150300.22.61.1
* grub2-powerpc-ieee1275-extras-2.04-150300.22.61.1
* grub2-x86_64-xen-extras-2.04-150300.22.61.1
* grub2-x86_64-xen-2.04-150300.22.61.1
* grub2-arm64-efi-debug-2.04-150300.22.61.1
* grub2-x86_64-efi-extras-2.04-150300.22.61.1
* grub2-arm64-efi-2.04-150300.22.61.1
* grub2-i386-xen-extras-2.04-150300.22.61.1
* grub2-arm64-efi-extras-2.04-150300.22.61.1
* grub2-i386-pc-debug-2.04-150300.22.61.1
* openSUSE Leap 15.3 (s390x)
* grub2-s390x-emu-debug-2.04-150300.22.61.1
* grub2-s390x-emu-2.04-150300.22.61.1
* SUSE Linux Enterprise Micro 5.2 (aarch64 s390x x86_64)
* grub2-2.04-150300.22.61.1
* grub2-debuginfo-2.04-150300.22.61.1
* grub2-debugsource-2.04-150300.22.61.1
* SUSE Linux Enterprise Micro 5.2 (noarch)
* grub2-x86_64-efi-2.04-150300.22.61.1
* grub2-arm64-efi-2.04-150300.22.61.1
* grub2-x86_64-xen-2.04-150300.22.61.1
* grub2-i386-pc-2.04-150300.22.61.1
* grub2-snapper-plugin-2.04-150300.22.61.1
* SUSE Linux Enterprise Micro 5.2 (s390x)
* grub2-s390x-emu-2.04-150300.22.61.1
* SUSE Linux Enterprise Micro for Rancher 5.2 (aarch64 s390x x86_64)
* grub2-2.04-150300.22.61.1
* grub2-debuginfo-2.04-150300.22.61.1
* grub2-debugsource-2.04-150300.22.61.1
* SUSE Linux Enterprise Micro for Rancher 5.2 (noarch)
* grub2-x86_64-efi-2.04-150300.22.61.1
* grub2-arm64-efi-2.04-150300.22.61.1
* grub2-x86_64-xen-2.04-150300.22.61.1
* grub2-i386-pc-2.04-150300.22.61.1
* grub2-snapper-plugin-2.04-150300.22.61.1
* SUSE Linux Enterprise Micro for Rancher 5.2 (s390x)
* grub2-s390x-emu-2.04-150300.22.61.1
## References:
* https://www.suse.com/security/cve/CVE-2025-54771.html
* https://www.suse.com/security/cve/CVE-2025-61661.html
* https://www.suse.com/security/cve/CVE-2025-61662.html
* https://www.suse.com/security/cve/CVE-2025-61663.html
* https://www.suse.com/security/cve/CVE-2025-61664.html
* https://bugzilla.suse.com/show_bug.cgi?id=1252931
* https://bugzilla.suse.com/show_bug.cgi?id=1252932
* https://bugzilla.suse.com/show_bug.cgi?id=1252933
* https://bugzilla.suse.com/show_bug.cgi?id=1252934
* https://bugzilla.suse.com/show_bug.cgi?id=1252935
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