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openSUSE: grub2 Moderate Multiple Issues Vuln 2025:4143-1

opensuse
Calendar Grey November 20, 2025
Dist Opensuse Esm H88
Update available for openSUSE resolving five moderate risks in grub2 with potential impact on stability and system security.
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

Topics%20covered

Topics Covered

security advisory moderate security issue out-of-bounds OpenSUSE grub2

Patch

## 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

*...

Read the Full Advisory

References

* bsc#1252931

* bsc#1252932

* bsc#1252933

* bsc#1252934

* bsc#1252935

## 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

Announcement ID: SUSE-SU-2025:4143-1
Release Date: 2025-11-20T07:54:04Z
Affected Products: * openSUSE Leap 15.3 * SUSE Linux Enterprise Micro 5.2 * SUSE Linux Enterprise Micro for Rancher 5.2

Topics%20covered

Topics Covered

security advisory moderate security issue out-of-bounds OpenSUSE grub2

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