SUSE-SU-2025:21223-1: grub2&distro=SUSE Linux Micro 6.2 SUSE Linux Enterprise

Vulnerability summary

SUSE-SU-2025:21223-1 is a vulnerability in grub2&distro=SUSE Linux Micro 6.2 SUSE Linux Enterprise with no CVSS score yet.

Timeline

1. 15-12-2025
   PublishedVulnerability first disclosed.
2. 23-03-2026
   Last modifiedVulnerability information updated.

Description

Security update for grub2 This update for grub2 fixes the following issues: Changes in grub2: - CVE-2025-54771: Fixed grub_file_close() does not properly controls the fs refcount (bsc#1252931) - CVE-2025-54770: Fixed missing unregister call for net_set_vlan command may lead to use-after-free (bsc#1252930) - 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) - CVE-2025-61661: Fixed out-of-bounds write in grub_usb_get_string() function (bsc#1252932) - Bump upstream SBAT generation to 6 - Fix "sparse file not allowed" error after grub2-reboot (bsc#1245738) - Fix PowerPC network boot prefix to correctly locate grub.cfg (bsc#1249385) - turn off page flipping for i386-pc using VBE video backend (bsc#1245636) - Fix boot hangs in setting up serial console when ACPI SPCR table is present and redirection is disabled (bsc#1249088) - Fix timeout when loading initrd via http after PPC CAS reboot (bsc#1245953) - Skip mount point in grub_find_device function (bsc#1246231) - CVE-2024-56738: Fixed side-channel attack due to not constant-time algorithm in grub_crypto_memcmp (bsc#1234959)

No weakness data has been published for this record.